<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.dell.com/role/AccumulatedOtherComprehensiveIncomeLoss" xlink:href="dell-20200131.xsd#AccumulatedOtherComprehensiveIncomeLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/AccumulatedOtherComprehensiveIncomeLossChangesInAccumulatedOtherComprehensiveLossNetOfTaxDetails" xlink:href="dell-20200131.xsd#AccumulatedOtherComprehensiveIncomeLossChangesInAccumulatedOtherComprehensiveLossNetOfTaxDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/AccumulatedOtherComprehensiveIncomeLossReclassificationsOutOfAccumulatedOtherComprehensiveIncomeLossNetOfTaxToNetIncomeLossDetails" xlink:href="dell-20200131.xsd#AccumulatedOtherComprehensiveIncomeLossReclassificationsOutOfAccumulatedOtherComprehensiveIncomeLossNetOfTaxToNetIncomeLossDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/AccumulatedOtherComprehensiveIncomeLossTables" xlink:href="dell-20200131.xsd#AccumulatedOtherComprehensiveIncomeLossTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/BasisOfPresentation" xlink:href="dell-20200131.xsd#BasisOfPresentation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/BasisOfPresentationNarrativeDetails" xlink:href="dell-20200131.xsd#BasisOfPresentationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssets" xlink:href="dell-20200131.xsd#BusinessCombinationsGoodwillAndIntangibleAssets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsAmortizationExpenseDetails" xlink:href="dell-20200131.xsd#BusinessCombinationsGoodwillAndIntangibleAssetsAmortizationExpenseDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsFiniteLivedIntangibleAssetsDetails" xlink:href="dell-20200131.xsd#BusinessCombinationsGoodwillAndIntangibleAssetsFiniteLivedIntangibleAssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsGoodwillDetails" xlink:href="dell-20200131.xsd#BusinessCombinationsGoodwillAndIntangibleAssetsGoodwillDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsGoodwillImpairmentDetails" xlink:href="dell-20200131.xsd#BusinessCombinationsGoodwillAndIntangibleAssetsGoodwillImpairmentDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsIntangibleAssetsDetails" xlink:href="dell-20200131.xsd#BusinessCombinationsGoodwillAndIntangibleAssetsIntangibleAssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsScheduleOfLiabilitiesAssumedAndAssetsAcquiredDetails" xlink:href="dell-20200131.xsd#BusinessCombinationsGoodwillAndIntangibleAssetsScheduleOfLiabilitiesAssumedAndAssetsAcquiredDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsTables" xlink:href="dell-20200131.xsd#BusinessCombinationsGoodwillAndIntangibleAssetsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsVmwareIncAcquisitionsDetails" xlink:href="dell-20200131.xsd#BusinessCombinationsGoodwillAndIntangibleAssetsVmwareIncAcquisitionsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/Capitalization" xlink:href="dell-20200131.xsd#Capitalization" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/CapitalizationAdditionalInformationNarrativeDetails" xlink:href="dell-20200131.xsd#CapitalizationAdditionalInformationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/CapitalizationRepurchaseActivityForClassVCommonStockDetails" xlink:href="dell-20200131.xsd#CapitalizationRepurchaseActivityForClassVCommonStockDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/CapitalizationScheduleOfStockByClassDetails" xlink:href="dell-20200131.xsd#CapitalizationScheduleOfStockByClassDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/CapitalizationTables" xlink:href="dell-20200131.xsd#CapitalizationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/CommitmentsAndContingencies" xlink:href="dell-20200131.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/CommitmentsAndContingenciesDetails" xlink:href="dell-20200131.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/CondensedFinancialInformationOfParentCompany" xlink:href="dell-20200131.xsd#CondensedFinancialInformationOfParentCompany" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/CondensedFinancialInformationOfParentCompanyCondensedStatementOfCashFlowsDetails" xlink:href="dell-20200131.xsd#CondensedFinancialInformationOfParentCompanyCondensedStatementOfCashFlowsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/CondensedFinancialInformationOfParentCompanyCondensedStatementOfFinancialPositionDetails" xlink:href="dell-20200131.xsd#CondensedFinancialInformationOfParentCompanyCondensedStatementOfFinancialPositionDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/CondensedFinancialInformationOfParentCompanyReconciliationOfComprehensiveLossDetails" xlink:href="dell-20200131.xsd#CondensedFinancialInformationOfParentCompanyReconciliationOfComprehensiveLossDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/CondensedFinancialInformationOfParentCompanyTables" xlink:href="dell-20200131.xsd#CondensedFinancialInformationOfParentCompanyTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="dell-20200131.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:href="dell-20200131.xsd#ConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/ConsolidatedStatementsOfComprehensiveIncomeLossParenthetical" xlink:href="dell-20200131.xsd#ConsolidatedStatementsOfComprehensiveIncomeLossParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/ConsolidatedStatementsOfFinancialPosition" xlink:href="dell-20200131.xsd#ConsolidatedStatementsOfFinancialPosition" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/ConsolidatedStatementsOfFinancialPositionParenthetical" xlink:href="dell-20200131.xsd#ConsolidatedStatementsOfFinancialPositionParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/ConsolidatedStatementsOfIncomeLoss" xlink:href="dell-20200131.xsd#ConsolidatedStatementsOfIncomeLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/ConsolidatedStatementsOfStockholdersEquityDeficit" xlink:href="dell-20200131.xsd#ConsolidatedStatementsOfStockholdersEquityDeficit" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/CoverPage" xlink:href="dell-20200131.xsd#CoverPage" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/Debt" xlink:href="dell-20200131.xsd#Debt" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DebtAdditionalInformationDetails" xlink:href="dell-20200131.xsd#DebtAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DebtAggregateFutureMaturitiesDetails" xlink:href="dell-20200131.xsd#DebtAggregateFutureMaturitiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DebtOutstandingDebtDetails" xlink:href="dell-20200131.xsd#DebtOutstandingDebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DebtTables" xlink:href="dell-20200131.xsd#DebtTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DeferredRevenue" xlink:href="dell-20200131.xsd#DeferredRevenue" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DeferredRevenueChangesInDeferredRevenueDetails" xlink:href="dell-20200131.xsd#DeferredRevenueChangesInDeferredRevenueDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DeferredRevenueRemainingPerformanceObligationExpectedTimingDetails" xlink:href="dell-20200131.xsd#DeferredRevenueRemainingPerformanceObligationExpectedTimingDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DeferredRevenueTables" xlink:href="dell-20200131.xsd#DeferredRevenueTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivities" xlink:href="dell-20200131.xsd#DerivativeInstrumentsAndHedgingActivities" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivitiesAdditionalInformationNarrativeDetails" xlink:href="dell-20200131.xsd#DerivativeInstrumentsAndHedgingActivitiesAdditionalInformationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivitiesEffectOfDerivativeInstrumentsOnCondensedConsolidatedStatementsOfFinancialPositionAndCondensedConsolidatedStatementsOfIncomeLossDetails" xlink:href="dell-20200131.xsd#DerivativeInstrumentsAndHedgingActivitiesEffectOfDerivativeInstrumentsOnCondensedConsolidatedStatementsOfFinancialPositionAndCondensedConsolidatedStatementsOfIncomeLossDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivitiesFairValueOfDerivativeInstrumentsInCondensedConsolidatedStatementsOfFinancialPositionDetails" xlink:href="dell-20200131.xsd#DerivativeInstrumentsAndHedgingActivitiesFairValueOfDerivativeInstrumentsInCondensedConsolidatedStatementsOfFinancialPositionDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivitiesGrossAmountsOfDerivativeInstrumentsAmountsOffsetDueToMasterNettingAgreementsDetails" xlink:href="dell-20200131.xsd#DerivativeInstrumentsAndHedgingActivitiesGrossAmountsOfDerivativeInstrumentsAmountsOffsetDueToMasterNettingAgreementsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivitiesNotionalAmountsOfOutstandingDerivativeInstrumentsDetails" xlink:href="dell-20200131.xsd#DerivativeInstrumentsAndHedgingActivitiesNotionalAmountsOfOutstandingDerivativeInstrumentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivitiesTables" xlink:href="dell-20200131.xsd#DerivativeInstrumentsAndHedgingActivitiesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies" xlink:href="dell-20200131.xsd#DescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationNarrativeDetails" xlink:href="dell-20200131.xsd#DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:href="dell-20200131.xsd#DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables" xlink:href="dell-20200131.xsd#DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/EarningsLossPerShare" xlink:href="dell-20200131.xsd#EarningsLossPerShare" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/EarningsLossPerShareAdditionalInformationNarrativeDetails" xlink:href="dell-20200131.xsd#EarningsLossPerShareAdditionalInformationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/EarningsLossPerShareBasisOfAllocationDetails" xlink:href="dell-20200131.xsd#EarningsLossPerShareBasisOfAllocationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/EarningsLossPerShareReconciliationOfNetIncomeLossFromContinuingOperationsDetails" xlink:href="dell-20200131.xsd#EarningsLossPerShareReconciliationOfNetIncomeLossFromContinuingOperationsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/EarningsLossPerShareReconciliationOfReportableSegmentResultsDetails" xlink:href="dell-20200131.xsd#EarningsLossPerShareReconciliationOfReportableSegmentResultsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/EarningsLossPerShareScheduleOfEarningsLossPerShareDetails" xlink:href="dell-20200131.xsd#EarningsLossPerShareScheduleOfEarningsLossPerShareDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/EarningsLossPerShareTables" xlink:href="dell-20200131.xsd#EarningsLossPerShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FairValueMeasurementsAndInvestments" xlink:href="dell-20200131.xsd#FairValueMeasurementsAndInvestments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FairValueMeasurementsAndInvestmentsAdditionalInformationNarrativeDetails" xlink:href="dell-20200131.xsd#FairValueMeasurementsAndInvestmentsAdditionalInformationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FairValueMeasurementsAndInvestmentsCarryingValueAndEstimatedFairValueOfOutstandingDebtDetails" xlink:href="dell-20200131.xsd#FairValueMeasurementsAndInvestmentsCarryingValueAndEstimatedFairValueOfOutstandingDebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FairValueMeasurementsAndInvestmentsHierarchyForAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails" xlink:href="dell-20200131.xsd#FairValueMeasurementsAndInvestmentsHierarchyForAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FairValueMeasurementsAndInvestmentsInvestmentsDetails" xlink:href="dell-20200131.xsd#FairValueMeasurementsAndInvestmentsInvestmentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FairValueMeasurementsAndInvestmentsTables" xlink:href="dell-20200131.xsd#FairValueMeasurementsAndInvestmentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FinancialServices" xlink:href="dell-20200131.xsd#FinancialServices" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FinancialServicesAdditionalInformationNarrativeDetails" xlink:href="dell-20200131.xsd#FinancialServicesAdditionalInformationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FinancialServicesAgingCustomerFinancingReceivablesGrossIncludingAccruedInterestDetails" xlink:href="dell-20200131.xsd#FinancialServicesAgingCustomerFinancingReceivablesGrossIncludingAccruedInterestDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FinancialServicesCreditQualityIndicatorsDetails" xlink:href="dell-20200131.xsd#FinancialServicesCreditQualityIndicatorsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FinancialServicesDfsDebtDetails" xlink:href="dell-20200131.xsd#FinancialServicesDfsDebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FinancialServicesFinanceLeasesDetails" xlink:href="dell-20200131.xsd#FinancialServicesFinanceLeasesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FinancialServicesFinanceLeasesFutureMaturityDetails" xlink:href="dell-20200131.xsd#FinancialServicesFinanceLeasesFutureMaturityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FinancialServicesFutureMaturitiesDetails" xlink:href="dell-20200131.xsd#FinancialServicesFutureMaturitiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FinancialServicesOperatingLeasesDetails" xlink:href="dell-20200131.xsd#FinancialServicesOperatingLeasesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FinancialServicesScheduleOfChangesInAllowanceForFinancingReceivableLossesDetails" xlink:href="dell-20200131.xsd#FinancialServicesScheduleOfChangesInAllowanceForFinancingReceivableLossesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FinancialServicesScheduleOfComponentsOfCompanysFinancingReceivablesSegregatedByPortfolioSegmentDetails" xlink:href="dell-20200131.xsd#FinancialServicesScheduleOfComponentsOfCompanysFinancingReceivablesSegregatedByPortfolioSegmentDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FinancialServicesScheduleOfFinancingReceivablesHeldByConsolidatedViesDetails" xlink:href="dell-20200131.xsd#FinancialServicesScheduleOfFinancingReceivablesHeldByConsolidatedViesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/FinancialServicesTables" xlink:href="dell-20200131.xsd#FinancialServicesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/IncomeAndOtherTaxes" xlink:href="dell-20200131.xsd#IncomeAndOtherTaxes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/IncomeAndOtherTaxesComponentsOfNetDeferredTaxAssetsLiabilitiesDetails" xlink:href="dell-20200131.xsd#IncomeAndOtherTaxesComponentsOfNetDeferredTaxAssetsLiabilitiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/IncomeAndOtherTaxesIncomeLossFromContinuingOperationsBeforeIncomeTaxesDetails" xlink:href="dell-20200131.xsd#IncomeAndOtherTaxesIncomeLossFromContinuingOperationsBeforeIncomeTaxesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/IncomeAndOtherTaxesNarrativeDetails" xlink:href="dell-20200131.xsd#IncomeAndOtherTaxesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/IncomeAndOtherTaxesProvisionForIncomeTaxesDetails" xlink:href="dell-20200131.xsd#IncomeAndOtherTaxesProvisionForIncomeTaxesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/IncomeAndOtherTaxesReconciliationOfIncomeTaxBenefitFromContinuingOperationsDetails" xlink:href="dell-20200131.xsd#IncomeAndOtherTaxesReconciliationOfIncomeTaxBenefitFromContinuingOperationsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/IncomeAndOtherTaxesReconciliationOfUnrecognizedTaxBenefitsDetails" xlink:href="dell-20200131.xsd#IncomeAndOtherTaxesReconciliationOfUnrecognizedTaxBenefitsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/IncomeAndOtherTaxesSummaryOfNetOperatingLossCarryforwardsTaxCreditCarryforwardsAndOtherDeferredTaxAssetsDetails" xlink:href="dell-20200131.xsd#IncomeAndOtherTaxesSummaryOfNetOperatingLossCarryforwardsTaxCreditCarryforwardsAndOtherDeferredTaxAssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/IncomeAndOtherTaxesTables" xlink:href="dell-20200131.xsd#IncomeAndOtherTaxesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/Leases" xlink:href="dell-20200131.xsd#Leases" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/LeasesComponentsOfLeaseExpenseDetails" xlink:href="dell-20200131.xsd#LeasesComponentsOfLeaseExpenseDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/LeasesFutureMinimumLeasePaymentsDetails" xlink:href="dell-20200131.xsd#LeasesFutureMinimumLeasePaymentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/LeasesMaturityOfOperatingLeasesDetails" xlink:href="dell-20200131.xsd#LeasesMaturityOfOperatingLeasesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/LeasesNarrativeDetails" xlink:href="dell-20200131.xsd#LeasesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/LeasesSupplementalCashFlowInformationDetails" xlink:href="dell-20200131.xsd#LeasesSupplementalCashFlowInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/LeasesSupplementalInformationRelatedToOperatingLeasesDetails" xlink:href="dell-20200131.xsd#LeasesSupplementalInformationRelatedToOperatingLeasesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/LeasesTables" xlink:href="dell-20200131.xsd#LeasesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/NonControllingInterests" xlink:href="dell-20200131.xsd#NonControllingInterests" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/NonControllingInterestsAdditionalInformationNarrativeDetails" xlink:href="dell-20200131.xsd#NonControllingInterestsAdditionalInformationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/NonControllingInterestsEffectOfChangesInOwnershipInterestsOfLessThanWhollyOwnedSubsidiariesDetails" xlink:href="dell-20200131.xsd#NonControllingInterestsEffectOfChangesInOwnershipInterestsOfLessThanWhollyOwnedSubsidiariesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/NonControllingInterestsTables" xlink:href="dell-20200131.xsd#NonControllingInterestsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/RedeemableShares" xlink:href="dell-20200131.xsd#RedeemableShares" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/RedeemableSharesDetails" xlink:href="dell-20200131.xsd#RedeemableSharesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/RedeemableSharesTables" xlink:href="dell-20200131.xsd#RedeemableSharesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/RelatedPartyTransactions" xlink:href="dell-20200131.xsd#RelatedPartyTransactions" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/RetirementPlanBenefits" xlink:href="dell-20200131.xsd#RetirementPlanBenefits" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/RetirementPlanBenefitsChangeInFairValueOfPlanAssetsDetails" xlink:href="dell-20200131.xsd#RetirementPlanBenefitsChangeInFairValueOfPlanAssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/RetirementPlanBenefitsNarrativeDetails" xlink:href="dell-20200131.xsd#RetirementPlanBenefitsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/RetirementPlanBenefitsTables" xlink:href="dell-20200131.xsd#RetirementPlanBenefitsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SegmentInformation" xlink:href="dell-20200131.xsd#SegmentInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SegmentInformationAdditionalInformationNarrativeDetails" xlink:href="dell-20200131.xsd#SegmentInformationAdditionalInformationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SegmentInformationNetRevenueAndPropertyPlantAndEquipmentDetails" xlink:href="dell-20200131.xsd#SegmentInformationNetRevenueAndPropertyPlantAndEquipmentDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SegmentInformationReconciliationOfNetRevenueByReportableSegmentsToConsolidatedNetRevenueDetails" xlink:href="dell-20200131.xsd#SegmentInformationReconciliationOfNetRevenueByReportableSegmentsToConsolidatedNetRevenueDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SegmentInformationTables" xlink:href="dell-20200131.xsd#SegmentInformationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/StockBasedCompensation" xlink:href="dell-20200131.xsd#StockBasedCompensation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/StockBasedCompensationAssumptionsDetails" xlink:href="dell-20200131.xsd#StockBasedCompensationAssumptionsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/StockBasedCompensationEsppActivityDetails" xlink:href="dell-20200131.xsd#StockBasedCompensationEsppActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/StockBasedCompensationNarrativeDetails" xlink:href="dell-20200131.xsd#StockBasedCompensationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/StockBasedCompensationRestrictedStockAndRestrictedStockUnitsActivityDetails" xlink:href="dell-20200131.xsd#StockBasedCompensationRestrictedStockAndRestrictedStockUnitsActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/StockBasedCompensationStockBasedCompensationExpenseDetails" xlink:href="dell-20200131.xsd#StockBasedCompensationStockBasedCompensationExpenseDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/StockBasedCompensationStockOptionActivityDetails" xlink:href="dell-20200131.xsd#StockBasedCompensationStockOptionActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/StockBasedCompensationTables" xlink:href="dell-20200131.xsd#StockBasedCompensationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SubsequentEvents" xlink:href="dell-20200131.xsd#SubsequentEvents" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SubsequentEventsDetails" xlink:href="dell-20200131.xsd#SubsequentEventsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SupplementalConsolidatedFinancialInformation" xlink:href="dell-20200131.xsd#SupplementalConsolidatedFinancialInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationInformationOnSelectedAccountsDetails" xlink:href="dell-20200131.xsd#SupplementalConsolidatedFinancialInformationInformationOnSelectedAccountsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationInterestAndOtherNetDetails" xlink:href="dell-20200131.xsd#SupplementalConsolidatedFinancialInformationInterestAndOtherNetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationSeveranceChargesDetails" xlink:href="dell-20200131.xsd#SupplementalConsolidatedFinancialInformationSeveranceChargesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationSeveranceLiabilityDetails" xlink:href="dell-20200131.xsd#SupplementalConsolidatedFinancialInformationSeveranceLiabilityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationTables" xlink:href="dell-20200131.xsd#SupplementalConsolidatedFinancialInformationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationValuationAndQualifyingAccountsDetails" xlink:href="dell-20200131.xsd#SupplementalConsolidatedFinancialInformationValuationAndQualifyingAccountsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationWarrantyLiabilityDetails" xlink:href="dell-20200131.xsd#SupplementalConsolidatedFinancialInformationWarrantyLiabilityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/UnauditedQuarterlyResults" xlink:href="dell-20200131.xsd#UnauditedQuarterlyResults" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/UnauditedQuarterlyResultsDetails" xlink:href="dell-20200131.xsd#UnauditedQuarterlyResultsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.dell.com/role/UnauditedQuarterlyResultsTables" xlink:href="dell-20200131.xsd#UnauditedQuarterlyResultsTables" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <link:definitionLink xlink:role="http://www.dell.com/role/AccumulatedOtherComprehensiveIncomeLoss" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/AccumulatedOtherComprehensiveIncomeLossChangesInAccumulatedOtherComprehensiveLossNetOfTaxDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5137212ED2D7995716F312A366062ADE" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_F4533F9DEC4A665D39ED12A36602EFB3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5137212ED2D7995716F312A366062ADE" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_F4533F9DEC4A665D39ED12A36602EFB3" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_15F14BFD1687D2472FD812A366028444" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_F4533F9DEC4A665D39ED12A36602EFB3" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_15F14BFD1687D2472FD812A366028444" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_15F14BFD1687D2472FD812A366028444" xlink:to="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_15F14BFD1687D2472FD812A366028444" xlink:to="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_F741A72C24F0EC5AF66B12A36603674B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_F741A72C24F0EC5AF66B12A36603674B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_8C00799D335BE2FA6E1112A366036023" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_8C00799D335BE2FA6E1112A366036023" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_C0DA8A0E7D663735DE9212A36604EED6" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_C0DA8A0E7D663735DE9212A36604EED6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_C4516FABA2EAA7DDCFAE12A366047AF2" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_C4516FABA2EAA7DDCFAE12A366047AF2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_40BF667A3E96C796288312A36604880D" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_40BF667A3E96C796288312A36604880D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_113F8F363151134431F312A366046807" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_113F8F363151134431F312A366046807" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember" xlink:label="loc_us-gaap_AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember_D7C049FCC524F81B56C812A3660422F6" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember_D7C049FCC524F81B56C812A3660422F6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember" xlink:label="loc_us-gaap_AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember_AE418810AB29D25EFFF312A366044DD5" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember_AE418810AB29D25EFFF312A366044DD5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember_ADFDA8113740C2459D8112A366058C41" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember_ADFDA8113740C2459D8112A366058C41" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember" xlink:label="loc_us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember_41EFBD3BB14AE54FD04A12A3660561CB" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember_41EFBD3BB14AE54FD04A12A3660561CB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember_E2019082FEE8DF2A098512A366059B18" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember_E2019082FEE8DF2A098512A366059B18" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterestMember" xlink:label="loc_us-gaap_AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterestMember_4E33AB092E2049E7D92F12A3660682BB" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterestMember_4E33AB092E2049E7D92F12A3660682BB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedNetInvestmentGainLossAttributableToNoncontrollingInterestMember" xlink:label="loc_us-gaap_AccumulatedNetInvestmentGainLossAttributableToNoncontrollingInterestMember_5BD5C3120211209A018B12A366060F70" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedNetInvestmentGainLossAttributableToNoncontrollingInterestMember_5BD5C3120211209A018B12A366060F70" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedNetGainLossFromCashFlowHedgesAttributableToNoncontrollingInterestMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromCashFlowHedgesAttributableToNoncontrollingInterestMember_D1BE083B645D888DAE2812A366062788" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromCashFlowHedgesAttributableToNoncontrollingInterestMember_D1BE083B645D888DAE2812A366062788" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeNoncontrollingInterestMember" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeNoncontrollingInterestMember_252C46DA9E9FD2B4C7F112A36606E798" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeNoncontrollingInterestMember_252C46DA9E9FD2B4C7F112A36606E798" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentAttributableToNoncontrollingInterestMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentAttributableToNoncontrollingInterestMember_D913F5F902F13AF1605E12A36606DA12" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_40036548237C6EA20EC712A366032D69" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentAttributableToNoncontrollingInterestMember_D913F5F902F13AF1605E12A36606DA12" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_49DD46B1D713907D398012A366078D31" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5137212ED2D7995716F312A366062ADE" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_49DD46B1D713907D398012A366078D31" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_F935D2186AED1059477012A366075126" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_49DD46B1D713907D398012A366078D31" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_F935D2186AED1059477012A366075126" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption" xlink:label="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_F4B0754C969F8632A95212D0C86B149A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_49DD46B1D713907D398012A366078D31" xlink:to="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_F4B0754C969F8632A95212D0C86B149A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_20A53068CA588C46EEE912A366072884" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_49DD46B1D713907D398012A366078D31" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_20A53068CA588C46EEE912A366072884" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_3005D452DAF8FC80CCF112A366085872" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_49DD46B1D713907D398012A366078D31" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_3005D452DAF8FC80CCF112A366085872" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_6361B377DB13EA03389412A36608FD99" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_49DD46B1D713907D398012A366078D31" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_6361B377DB13EA03389412A36608FD99" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_OtherComprehensiveIncomeLossNetofTaxandCumulativeEffectofNewAccountingPrincipleinPeriodofAdoption" xlink:label="loc_dell_OtherComprehensiveIncomeLossNetofTaxandCumulativeEffectofNewAccountingPrincipleinPeriodofAdoption_F12A1550F7F2A772FB1B12A36608EBAE" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_49DD46B1D713907D398012A366078D31" xlink:to="loc_dell_OtherComprehensiveIncomeLossNetofTaxandCumulativeEffectofNewAccountingPrincipleinPeriodofAdoption_F12A1550F7F2A772FB1B12A36608EBAE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_4039F39311EDFFF9ABD212A36608E02D" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_49DD46B1D713907D398012A366078D31" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_4039F39311EDFFF9ABD212A36608E02D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/AccumulatedOtherComprehensiveIncomeLossReclassificationsOutOfAccumulatedOtherComprehensiveIncomeLossNetOfTaxToNetIncomeLossDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_E37E0234DD5F26FC5AC3E9F297B5F0A2" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_F204C9B63EEAA06DB7EBE9F297B298F2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_E37E0234DD5F26FC5AC3E9F297B5F0A2" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_F204C9B63EEAA06DB7EBE9F297B298F2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_836DF4DF13EB32C4EDD2E9F297B21623" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_F204C9B63EEAA06DB7EBE9F297B298F2" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_836DF4DF13EB32C4EDD2E9F297B21623" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_583BE6DF73915D3F24A8E9F297B3A37C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_836DF4DF13EB32C4EDD2E9F297B21623" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_583BE6DF73915D3F24A8E9F297B3A37C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_583BE6DF73915D3F24A8E9F297B3A37C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_836DF4DF13EB32C4EDD2E9F297B21623" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_583BE6DF73915D3F24A8E9F297B3A37C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_6845F49B46405CD1F414E9F297B386D4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_583BE6DF73915D3F24A8E9F297B3A37C" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_6845F49B46405CD1F414E9F297B386D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_525E043A49E47F2ED6AEE9F297B39D97" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_F204C9B63EEAA06DB7EBE9F297B298F2" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_525E043A49E47F2ED6AEE9F297B39D97" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_C8A23CDA48E4BE1E9EE2E9F297B34A9B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_525E043A49E47F2ED6AEE9F297B39D97" xlink:to="loc_us-gaap_EquityComponentDomain_C8A23CDA48E4BE1E9EE2E9F297B34A9B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_C8A23CDA48E4BE1E9EE2E9F297B34A9B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_525E043A49E47F2ED6AEE9F297B39D97" xlink:to="loc_us-gaap_EquityComponentDomain_C8A23CDA48E4BE1E9EE2E9F297B34A9B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember" xlink:label="loc_us-gaap_AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember_D3A1E199602075D5CB5DE9F297B4F852" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_C8A23CDA48E4BE1E9EE2E9F297B34A9B" xlink:to="loc_us-gaap_AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember_D3A1E199602075D5CB5DE9F297B4F852" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember_EB277B43C4147AB51041E9F297B4008A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_C8A23CDA48E4BE1E9EE2E9F297B34A9B" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember_EB277B43C4147AB51041E9F297B4008A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanTypeAxis" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_2A728A71E29B52AA4A4EE9F297B4250B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_F204C9B63EEAA06DB7EBE9F297B298F2" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_2A728A71E29B52AA4A4EE9F297B4250B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanTypeDomain" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_3A83D6B8A3BFEE52A23AE9F297B4CB6F_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_2A728A71E29B52AA4A4EE9F297B4250B" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_3A83D6B8A3BFEE52A23AE9F297B4CB6F_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanTypeDomain" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_3A83D6B8A3BFEE52A23AE9F297B4CB6F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_2A728A71E29B52AA4A4EE9F297B4250B" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_3A83D6B8A3BFEE52A23AE9F297B4CB6F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_D90D5351A5AC0640FB91E9F297B51AF2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_3A83D6B8A3BFEE52A23AE9F297B4CB6F" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_D90D5351A5AC0640FB91E9F297B51AF2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_F7E5A03CAA1785C12953E9F297B5F2B7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_E37E0234DD5F26FC5AC3E9F297B5F0A2" xlink:to="loc_us-gaap_Revenues_F7E5A03CAA1785C12953E9F297B5F2B7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_4FEF3B5642EB159D2BAEE9F297B5E53B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_E37E0234DD5F26FC5AC3E9F297B5F0A2" xlink:to="loc_us-gaap_OperatingExpenses_4FEF3B5642EB159D2BAEE9F297B5E53B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_3E6F870C4060653F8B84E9F297B5C31B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_E37E0234DD5F26FC5AC3E9F297B5F0A2" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_3E6F870C4060653F8B84E9F297B5C31B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_17D6AD567CC905565350E9F297B68EF7" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_E37E0234DD5F26FC5AC3E9F297B5F0A2" xlink:to="loc_us-gaap_ProfitLoss_17D6AD567CC905565350E9F297B68EF7" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/AccumulatedOtherComprehensiveIncomeLossTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/BasisOfPresentation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/BasisOfPresentationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_39110F47A0A87FA4DB4AE9F299D63709" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3AE489400CE45CE27AD8E9F299D2EBF9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_39110F47A0A87FA4DB4AE9F299D63709" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3AE489400CE45CE27AD8E9F299D2EBF9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_21AFDBDA01817432B270E9F299D2D35D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3AE489400CE45CE27AD8E9F299D2EBF9" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_21AFDBDA01817432B270E9F299D2D35D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4429AB7C92AD72FA03C3E9F299D3D7BE_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_21AFDBDA01817432B270E9F299D2D35D" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4429AB7C92AD72FA03C3E9F299D3D7BE_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4429AB7C92AD72FA03C3E9F299D3D7BE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_21AFDBDA01817432B270E9F299D2D35D" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4429AB7C92AD72FA03C3E9F299D3D7BE" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_PivotalSoftwareMember" xlink:label="loc_dell_PivotalSoftwareMember_B57F5039A4A278275EC8E9F299D38B53" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4429AB7C92AD72FA03C3E9F299D3D7BE" xlink:to="loc_dell_PivotalSoftwareMember_B57F5039A4A278275EC8E9F299D38B53" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_9B8CB70C747687940CA1E9F299D36459" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3AE489400CE45CE27AD8E9F299D2EBF9" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_9B8CB70C747687940CA1E9F299D36459" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_98B3A28D8FC706438C7CE9F299D33AC6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_9B8CB70C747687940CA1E9F299D36459" xlink:to="loc_us-gaap_SegmentDomain_98B3A28D8FC706438C7CE9F299D33AC6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_98B3A28D8FC706438C7CE9F299D33AC6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_9B8CB70C747687940CA1E9F299D36459" xlink:to="loc_us-gaap_SegmentDomain_98B3A28D8FC706438C7CE9F299D33AC6" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_B3730EB438E6D967F1F7E9F299D415A0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_98B3A28D8FC706438C7CE9F299D33AC6" xlink:to="loc_dell_VMwareInc.Member_B3730EB438E6D967F1F7E9F299D415A0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_3C161364FB14FD5066FEE9F299D44EE2" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3AE489400CE45CE27AD8E9F299D2EBF9" xlink:to="loc_us-gaap_StatementClassOfStockAxis_3C161364FB14FD5066FEE9F299D44EE2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_15A56CCB3821B6B89E2FE9F299D40DD8_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3C161364FB14FD5066FEE9F299D44EE2" xlink:to="loc_us-gaap_ClassOfStockDomain_15A56CCB3821B6B89E2FE9F299D40DD8_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_15A56CCB3821B6B89E2FE9F299D40DD8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3C161364FB14FD5066FEE9F299D44EE2" xlink:to="loc_us-gaap_ClassOfStockDomain_15A56CCB3821B6B89E2FE9F299D40DD8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="loc_us-gaap_CommonClassBMember_E44B6E6D86B57CA31AF5E9F299D59D39" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_15A56CCB3821B6B89E2FE9F299D40DD8" xlink:to="loc_us-gaap_CommonClassBMember_E44B6E6D86B57CA31AF5E9F299D59D39" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RestatementAxis" xlink:label="loc_srt_RestatementAxis_32F19FC65DEA03877185E9F299D52988" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3AE489400CE45CE27AD8E9F299D2EBF9" xlink:to="loc_srt_RestatementAxis_32F19FC65DEA03877185E9F299D52988" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RestatementDomain" xlink:label="loc_srt_RestatementDomain_6EB834CC2DA2D947F292E9F299D5102E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RestatementAxis_32F19FC65DEA03877185E9F299D52988" xlink:to="loc_srt_RestatementDomain_6EB834CC2DA2D947F292E9F299D5102E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RestatementDomain" xlink:label="loc_srt_RestatementDomain_6EB834CC2DA2D947F292E9F299D5102E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RestatementAxis_32F19FC65DEA03877185E9F299D52988" xlink:to="loc_srt_RestatementDomain_6EB834CC2DA2D947F292E9F299D5102E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RestatementAdjustmentMember" xlink:label="loc_srt_RestatementAdjustmentMember_22DC4869C213AA1F47CDE9F299D5343B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RestatementDomain_6EB834CC2DA2D947F292E9F299D5102E" xlink:to="loc_srt_RestatementAdjustmentMember_22DC4869C213AA1F47CDE9F299D5343B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionSharePrice" xlink:label="loc_us-gaap_BusinessAcquisitionSharePrice_28DA05E699840F07135BE9F299D6D892" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_39110F47A0A87FA4DB4AE9F299D63709" xlink:to="loc_us-gaap_BusinessAcquisitionSharePrice_28DA05E699840F07135BE9F299D6D892" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_BusinessAcquisitionEquityInterestIssuedOrIssuableConversionOfShares" xlink:label="loc_dell_BusinessAcquisitionEquityInterestIssuedOrIssuableConversionOfShares_7F95D0131B4B306FA804E9F299D64FB2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_39110F47A0A87FA4DB4AE9F299D63709" xlink:to="loc_dell_BusinessAcquisitionEquityInterestIssuedOrIssuableConversionOfShares_7F95D0131B4B306FA804E9F299D64FB2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_149E66066803A8567F10E9F299D7A7F0" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_39110F47A0A87FA4DB4AE9F299D63709" xlink:to="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_149E66066803A8567F10E9F299D7A7F0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_D732F0F9CD1EE3ED3F30E9F299D7178F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_39110F47A0A87FA4DB4AE9F299D63709" xlink:to="loc_us-gaap_Revenues_D732F0F9CD1EE3ED3F30E9F299D7178F" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssets" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsAmortizationExpenseDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsFiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_D34DF9A680B70027D747E9F2987F94DB" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_193EAAE353D58A66CEF6E9F2987C7DD6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_D34DF9A680B70027D747E9F2987F94DB" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_193EAAE353D58A66CEF6E9F2987C7DD6" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_EE12084CB228D4ECA6E6E9F2987C750F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_193EAAE353D58A66CEF6E9F2987C7DD6" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_EE12084CB228D4ECA6E6E9F2987C750F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_B1E6362700EB45D0AF03E9F2987CD031_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_EE12084CB228D4ECA6E6E9F2987C750F" xlink:to="loc_us-gaap_SegmentDomain_B1E6362700EB45D0AF03E9F2987CD031_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_B1E6362700EB45D0AF03E9F2987CD031" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_EE12084CB228D4ECA6E6E9F2987C750F" xlink:to="loc_us-gaap_SegmentDomain_B1E6362700EB45D0AF03E9F2987CD031" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_5A93F6FD5011379A3FC0E9F2987CF94D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_B1E6362700EB45D0AF03E9F2987CD031" xlink:to="loc_dell_VMwareInc.Member_5A93F6FD5011379A3FC0E9F2987CF94D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_042F92A431D4CEE96751E9F2987D4825" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_193EAAE353D58A66CEF6E9F2987C7DD6" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_042F92A431D4CEE96751E9F2987D4825" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9A79A7476640BBF270C2E9F2987DC948_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_042F92A431D4CEE96751E9F2987D4825" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9A79A7476640BBF270C2E9F2987DC948_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9A79A7476640BBF270C2E9F2987DC948" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_042F92A431D4CEE96751E9F2987D4825" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9A79A7476640BBF270C2E9F2987DC948" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TechnologyBasedIntangibleAssetsMember" xlink:label="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_F2E88C332B466F486ABDE9F2987D9E98" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9A79A7476640BBF270C2E9F2987DC948" xlink:to="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_F2E88C332B466F486ABDE9F2987D9E98" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CustomerRelatedIntangibleAssetsMember" xlink:label="loc_us-gaap_CustomerRelatedIntangibleAssetsMember_D3EAE8A85D110324E0F4E9F2987D6D1F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9A79A7476640BBF270C2E9F2987DC948" xlink:to="loc_us-gaap_CustomerRelatedIntangibleAssetsMember_D3EAE8A85D110324E0F4E9F2987D6D1F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TrademarksAndTradeNamesMember" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_B0476D0E4119FCE14AE8E9F2987E64CC" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9A79A7476640BBF270C2E9F2987DC948" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_B0476D0E4119FCE14AE8E9F2987E64CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_B974CC6714F3D8752013E9F2987E0096" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9A79A7476640BBF270C2E9F2987DC948" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_B974CC6714F3D8752013E9F2987E0096" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_B6E3074BEEC5AB8A30ECE9F2987E79C3" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_193EAAE353D58A66CEF6E9F2987C7DD6" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_B6E3074BEEC5AB8A30ECE9F2987E79C3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A1A684DF41D10757CC9AE9F2987EFC10_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_B6E3074BEEC5AB8A30ECE9F2987E79C3" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A1A684DF41D10757CC9AE9F2987EFC10_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A1A684DF41D10757CC9AE9F2987EFC10" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_B6E3074BEEC5AB8A30ECE9F2987E79C3" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A1A684DF41D10757CC9AE9F2987EFC10" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CarbonBlackInc.Member" xlink:label="loc_dell_CarbonBlackInc.Member_18678BE587F51F39DE02E9F2987E8CDD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A1A684DF41D10757CC9AE9F2987EFC10" xlink:to="loc_dell_CarbonBlackInc.Member_18678BE587F51F39DE02E9F2987E8CDD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_67C854B1DF44A7EA70C8E9F2987F2EE7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_D34DF9A680B70027D747E9F2987F94DB" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_67C854B1DF44A7EA70C8E9F2987F2EE7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_FB7B07F2E2E79EF55C69E9F2987FC4CE" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_D34DF9A680B70027D747E9F2987F94DB" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_FB7B07F2E2E79EF55C69E9F2987FC4CE" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsGoodwillDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_A6A2783A4CEFD2A537ADE9F29875CEDE" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_A1766F407E89B06EB6D0E9F298720005" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_A6A2783A4CEFD2A537ADE9F29875CEDE" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_A1766F407E89B06EB6D0E9F298720005" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_F4762AF775A28FB7EDB4E9F29873C203" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_A1766F407E89B06EB6D0E9F298720005" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_F4762AF775A28FB7EDB4E9F29873C203" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_219D0C26AE99F1BA7DF3E9F298735E75_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_F4762AF775A28FB7EDB4E9F29873C203" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_219D0C26AE99F1BA7DF3E9F298735E75_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_219D0C26AE99F1BA7DF3E9F298735E75" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_F4762AF775A28FB7EDB4E9F29873C203" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_219D0C26AE99F1BA7DF3E9F298735E75" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_PivotalMember" xlink:label="loc_dell_PivotalMember_4EFA977B653C6893E239E9F29873B4D6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_219D0C26AE99F1BA7DF3E9F298735E75" xlink:to="loc_dell_PivotalMember_4EFA977B653C6893E239E9F29873B4D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_FC3F522AAA69C7C6F406E9F2987318E7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_A1766F407E89B06EB6D0E9F298720005" xlink:to="loc_srt_ConsolidationItemsAxis_FC3F522AAA69C7C6F406E9F2987318E7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_20B8682AC70175001611E9F29874EC09_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_FC3F522AAA69C7C6F406E9F2987318E7" xlink:to="loc_srt_ConsolidationItemsDomain_20B8682AC70175001611E9F29874EC09_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_20B8682AC70175001611E9F29874EC09" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_FC3F522AAA69C7C6F406E9F2987318E7" xlink:to="loc_srt_ConsolidationItemsDomain_20B8682AC70175001611E9F29874EC09" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_D09D5679509309F3A80FE9F29874D1AF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_20B8682AC70175001611E9F29874EC09" xlink:to="loc_us-gaap_OperatingSegmentsMember_D09D5679509309F3A80FE9F29874D1AF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_FBC6768C57909434A062E9F29874062D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_A1766F407E89B06EB6D0E9F298720005" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_FBC6768C57909434A062E9F29874062D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_6E9691B6D93D45ECFFD6E9F298741E28_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_FBC6768C57909434A062E9F29874062D" xlink:to="loc_us-gaap_SegmentDomain_6E9691B6D93D45ECFFD6E9F298741E28_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_6E9691B6D93D45ECFFD6E9F298741E28" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_FBC6768C57909434A062E9F29874062D" xlink:to="loc_us-gaap_SegmentDomain_6E9691B6D93D45ECFFD6E9F298741E28" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_InfrastructureSolutionsGroupMember" xlink:label="loc_dell_InfrastructureSolutionsGroupMember_7FA509A92882068DFF26E9F29874BC8F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6E9691B6D93D45ECFFD6E9F298741E28" xlink:to="loc_dell_InfrastructureSolutionsGroupMember_7FA509A92882068DFF26E9F29874BC8F" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ClientSolutionsMember" xlink:label="loc_dell_ClientSolutionsMember_E7AC67D414EEE5FC7582E9F298755ABA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6E9691B6D93D45ECFFD6E9F298741E28" xlink:to="loc_dell_ClientSolutionsMember_E7AC67D414EEE5FC7582E9F298755ABA" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_29018A6C69D5B584347CE9F2987540B7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6E9691B6D93D45ECFFD6E9F298741E28" xlink:to="loc_dell_VMwareInc.Member_29018A6C69D5B584347CE9F2987540B7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllOtherSegmentsMember" xlink:label="loc_us-gaap_AllOtherSegmentsMember_BE3C0F56C94A52BC0EDCE9F29875B5F8" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6E9691B6D93D45ECFFD6E9F298741E28" xlink:to="loc_us-gaap_AllOtherSegmentsMember_BE3C0F56C94A52BC0EDCE9F29875B5F8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward_9FE0355239E587F921A4E9F29876D562" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_A6A2783A4CEFD2A537ADE9F29875CEDE" xlink:to="loc_us-gaap_GoodwillRollForward_9FE0355239E587F921A4E9F29876D562" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_A134E94412BAACD23F52E9F298763A74" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_9FE0355239E587F921A4E9F29876D562" xlink:to="loc_us-gaap_Goodwill_A134E94412BAACD23F52E9F298763A74" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_AB8C4AAFA960A55B3ACFE9F298762CCE" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_9FE0355239E587F921A4E9F29876D562" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_AB8C4AAFA960A55B3ACFE9F298762CCE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_2778B96C1A3320E5B188E9F298762B98" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_9FE0355239E587F921A4E9F29876D562" xlink:to="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_2778B96C1A3320E5B188E9F298762B98" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit" xlink:label="loc_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_009881237D39E8323853E9F29876773D" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_9FE0355239E587F921A4E9F29876D562" xlink:to="loc_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_009881237D39E8323853E9F29876773D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_D8F12314585739B79F0CE9F2987786FF" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_9FE0355239E587F921A4E9F29876D562" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_D8F12314585739B79F0CE9F2987786FF" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsGoodwillImpairmentDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_53353B26C665783B5282088333BCBBEF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0B6999249DE365C29174088333B89A50" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_53353B26C665783B5282088333BCBBEF" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0B6999249DE365C29174088333B89A50" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_78B4F3614BC163BD94A5088333B8327F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0B6999249DE365C29174088333B89A50" xlink:to="loc_us-gaap_AwardTypeAxis_78B4F3614BC163BD94A5088333B8327F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0CC924BCA7E6863AEE77088333B990EE_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_78B4F3614BC163BD94A5088333B8327F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0CC924BCA7E6863AEE77088333B990EE_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0CC924BCA7E6863AEE77088333B990EE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_78B4F3614BC163BD94A5088333B8327F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0CC924BCA7E6863AEE77088333B990EE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_921B0D92CC6CA6384DD6088333BAAB28" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0CC924BCA7E6863AEE77088333B990EE" xlink:to="loc_us-gaap_RestrictedStockMember_921B0D92CC6CA6384DD6088333BAAB28" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_7BD2E5D19A196434514E088333BA0D54" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0B6999249DE365C29174088333B89A50" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_7BD2E5D19A196434514E088333BA0D54" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_79F0E6006A540CD3F3D5088333BA56B8_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_7BD2E5D19A196434514E088333BA0D54" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_79F0E6006A540CD3F3D5088333BA56B8_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_79F0E6006A540CD3F3D5088333BA56B8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_7BD2E5D19A196434514E088333BA0D54" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_79F0E6006A540CD3F3D5088333BA56B8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_72231A1D5E83083C1FFA088333BACA60" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_79F0E6006A540CD3F3D5088333BA56B8" xlink:to="loc_us-gaap_SubsequentEventMember_72231A1D5E83083C1FFA088333BACA60" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReportingUnitAxis" xlink:label="loc_us-gaap_ReportingUnitAxis_111D902F9A3D2EAA8B76088333BB331A" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0B6999249DE365C29174088333B89A50" xlink:to="loc_us-gaap_ReportingUnitAxis_111D902F9A3D2EAA8B76088333BB331A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReportingUnitDomain" xlink:label="loc_us-gaap_ReportingUnitDomain_178867836A5933403554088333BBB6A9_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReportingUnitAxis_111D902F9A3D2EAA8B76088333BB331A" xlink:to="loc_us-gaap_ReportingUnitDomain_178867836A5933403554088333BBB6A9_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReportingUnitDomain" xlink:label="loc_us-gaap_ReportingUnitDomain_178867836A5933403554088333BBB6A9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReportingUnitAxis_111D902F9A3D2EAA8B76088333BB331A" xlink:to="loc_us-gaap_ReportingUnitDomain_178867836A5933403554088333BBB6A9" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VirtustreamMember" xlink:label="loc_dell_VirtustreamMember_CBD657816FC5EA6364F6088333BBC783" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReportingUnitDomain_178867836A5933403554088333BBB6A9" xlink:to="loc_dell_VirtustreamMember_CBD657816FC5EA6364F6088333BBC783" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_RSASecurityMember" xlink:label="loc_dell_RSASecurityMember_82D2A8CAE5F3719EC9C5088333BB4846" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReportingUnitDomain_178867836A5933403554088333BBB6A9" xlink:to="loc_dell_RSASecurityMember_82D2A8CAE5F3719EC9C5088333BB4846" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_5B6CFADFBFD5EEECB4EA088333BC71D2" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0B6999249DE365C29174088333B89A50" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_5B6CFADFBFD5EEECB4EA088333BC71D2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_6F03DF6A551CFF0869A9088333BCE21B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5B6CFADFBFD5EEECB4EA088333BC71D2" xlink:to="loc_us-gaap_SegmentDomain_6F03DF6A551CFF0869A9088333BCE21B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_6F03DF6A551CFF0869A9088333BCE21B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5B6CFADFBFD5EEECB4EA088333BC71D2" xlink:to="loc_us-gaap_SegmentDomain_6F03DF6A551CFF0869A9088333BCE21B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllOtherSegmentsMember" xlink:label="loc_us-gaap_AllOtherSegmentsMember_2503310C0584F8ABE436088333BC1F04" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6F03DF6A551CFF0869A9088333BCE21B" xlink:to="loc_us-gaap_AllOtherSegmentsMember_2503310C0584F8ABE436088333BC1F04" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount" xlink:label="loc_us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount_C534D0B5D553EA4F7445088333BD4A96" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_53353B26C665783B5282088333BCBBEF" xlink:to="loc_us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount_C534D0B5D553EA4F7445088333BD4A96" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_AC0FC7F89988475D615208952CF41A4D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_53353B26C665783B5282088333BCBBEF" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_AC0FC7F89988475D615208952CF41A4D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_290B7ECA84D54F460A22088333BD2EA3" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_53353B26C665783B5282088333BCBBEF" xlink:to="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_290B7ECA84D54F460A22088333BD2EA3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_7FA444B628952613D2A6088333BD847C" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_53353B26C665783B5282088333BCBBEF" xlink:to="loc_us-gaap_Goodwill_7FA444B628952613D2A6088333BD847C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_7EEF051291BDA6B7DF64088333BD3181" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_53353B26C665783B5282088333BCBBEF" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_7EEF051291BDA6B7DF64088333BD3181" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_EB79714FB94AA9D6A4AD088333BD04F2" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_53353B26C665783B5282088333BCBBEF" xlink:to="loc_us-gaap_AssetImpairmentCharges_EB79714FB94AA9D6A4AD088333BD04F2" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_AssetImpairmentChargesNetOfTax" xlink:label="loc_dell_AssetImpairmentChargesNetOfTax_E9AE93896797566DFB21088333BED92D" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_53353B26C665783B5282088333BCBBEF" xlink:to="loc_dell_AssetImpairmentChargesNetOfTax_E9AE93896797566DFB21088333BED92D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses_CBB3FC6E288AD7F41866088333BE8762" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_53353B26C665783B5282088333BCBBEF" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses_CBB3FC6E288AD7F41866088333BE8762" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_3901B959E23BADC38379088333BE287C" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_53353B26C665783B5282088333BCBBEF" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_3901B959E23BADC38379088333BE287C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_F72523918BB112E0236B088333BEA632" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_53353B26C665783B5282088333BCBBEF" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_F72523918BB112E0236B088333BEA632" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_0E6DBF9E2746D2F0AEE2EE1FF7B8ED18" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_91C391247141EBE2273BEE1FF7B67BB7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0E6DBF9E2746D2F0AEE2EE1FF7B8ED18" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_91C391247141EBE2273BEE1FF7B67BB7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_12997C4D3F34A784831CEE273657C104" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_91C391247141EBE2273BEE1FF7B67BB7" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_12997C4D3F34A784831CEE273657C104" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_CAC0A2FA52695BB8ACFBEE273660A6B2_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_12997C4D3F34A784831CEE273657C104" xlink:to="loc_us-gaap_SegmentDomain_CAC0A2FA52695BB8ACFBEE273660A6B2_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_CAC0A2FA52695BB8ACFBEE273660A6B2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_12997C4D3F34A784831CEE273657C104" xlink:to="loc_us-gaap_SegmentDomain_CAC0A2FA52695BB8ACFBEE273660A6B2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllOtherSegmentsMember" xlink:label="loc_us-gaap_AllOtherSegmentsMember_84A22B00154A5AA6FE72EE27388364DC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_CAC0A2FA52695BB8ACFBEE273660A6B2" xlink:to="loc_us-gaap_AllOtherSegmentsMember_84A22B00154A5AA6FE72EE27388364DC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReportingUnitAxis" xlink:label="loc_us-gaap_ReportingUnitAxis_8FDE0832277E394AA562EE27355CD2D9" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_91C391247141EBE2273BEE1FF7B67BB7" xlink:to="loc_us-gaap_ReportingUnitAxis_8FDE0832277E394AA562EE27355CD2D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReportingUnitDomain" xlink:label="loc_us-gaap_ReportingUnitDomain_EBEA9EB96D468D7F00C0EE27356CF105_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReportingUnitAxis_8FDE0832277E394AA562EE27355CD2D9" xlink:to="loc_us-gaap_ReportingUnitDomain_EBEA9EB96D468D7F00C0EE27356CF105_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReportingUnitDomain" xlink:label="loc_us-gaap_ReportingUnitDomain_EBEA9EB96D468D7F00C0EE27356CF105" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReportingUnitAxis_8FDE0832277E394AA562EE27355CD2D9" xlink:to="loc_us-gaap_ReportingUnitDomain_EBEA9EB96D468D7F00C0EE27356CF105" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VirtustreamMember" xlink:label="loc_dell_VirtustreamMember_E41EBE7D29F0E0409E00EE2737831F7E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReportingUnitDomain_EBEA9EB96D468D7F00C0EE27356CF105" xlink:to="loc_dell_VirtustreamMember_E41EBE7D29F0E0409E00EE2737831F7E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_ADFEAC4B91AC35C2423DEE1FF7B61DB1" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_91C391247141EBE2273BEE1FF7B67BB7" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_ADFEAC4B91AC35C2423DEE1FF7B61DB1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_3634265EFD769C2673A4EE1FF7B6B260_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_ADFEAC4B91AC35C2423DEE1FF7B61DB1" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_3634265EFD769C2673A4EE1FF7B6B260_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_3634265EFD769C2673A4EE1FF7B6B260" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_ADFEAC4B91AC35C2423DEE1FF7B61DB1" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_3634265EFD769C2673A4EE1FF7B6B260" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_2803E219C48427B741A0EE1FF7B6AE77" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_3634265EFD769C2673A4EE1FF7B6B260" xlink:to="loc_us-gaap_TradeNamesMember_2803E219C48427B741A0EE1FF7B6AE77" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DAD11FD02E566BA4793DEE1FF7B71D3E" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_91C391247141EBE2273BEE1FF7B67BB7" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DAD11FD02E566BA4793DEE1FF7B71D3E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2A4FB9F287811434C8C8EE1FF7B7B5C6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DAD11FD02E566BA4793DEE1FF7B71D3E" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2A4FB9F287811434C8C8EE1FF7B7B5C6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2A4FB9F287811434C8C8EE1FF7B7B5C6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DAD11FD02E566BA4793DEE1FF7B71D3E" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2A4FB9F287811434C8C8EE1FF7B7B5C6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_52C1F8F1B726F552F669EE1FF7B7DD4C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2A4FB9F287811434C8C8EE1FF7B7B5C6" xlink:to="loc_us-gaap_CustomerRelationshipsMember_52C1F8F1B726F552F669EE1FF7B7DD4C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TechnologyBasedIntangibleAssetsMember" xlink:label="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_B2C0631B7EE5E799948EEE1FF7B72FF4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2A4FB9F287811434C8C8EE1FF7B7B5C6" xlink:to="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_B2C0631B7EE5E799948EEE1FF7B72FF4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_25776CBBDA193387BB2FEE1FF7B8826F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2A4FB9F287811434C8C8EE1FF7B7B5C6" xlink:to="loc_us-gaap_TradeNamesMember_25776CBBDA193387BB2FEE1FF7B8826F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeaseAgreementsMember" xlink:label="loc_us-gaap_LeaseAgreementsMember_AEBD4F7B8EF7D4887037EE1FF7B8304A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2A4FB9F287811434C8C8EE1FF7B7B5C6" xlink:to="loc_us-gaap_LeaseAgreementsMember_AEBD4F7B8EF7D4887037EE1FF7B8304A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_148EDD7EA2D348943875EE1FF7B88914" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0E6DBF9E2746D2F0AEE2EE1FF7B8ED18" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_148EDD7EA2D348943875EE1FF7B88914" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_C3DF6474212A915BF3E2EE1FF7B8B5E4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0E6DBF9E2746D2F0AEE2EE1FF7B8ED18" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_C3DF6474212A915BF3E2EE1FF7B8B5E4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_54FE2EE1265CB45ABA25EE1FF7B85CE0" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0E6DBF9E2746D2F0AEE2EE1FF7B8ED18" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_54FE2EE1265CB45ABA25EE1FF7B85CE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_B7A34B238C08A1C2B38EEE1FF7B9CEE9" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0E6DBF9E2746D2F0AEE2EE1FF7B8ED18" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_B7A34B238C08A1C2B38EEE1FF7B9CEE9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_EFD5B73768F9D80A4C19EE1FF7B915CF" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0E6DBF9E2746D2F0AEE2EE1FF7B8ED18" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_EFD5B73768F9D80A4C19EE1FF7B915CF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_FC54A10E72DE95CBAED8EE1FF7B91AE4" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0E6DBF9E2746D2F0AEE2EE1FF7B8ED18" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_FC54A10E72DE95CBAED8EE1FF7B91AE4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_8A9D49974D9E8968DAC5EE1FF7B9B928" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0E6DBF9E2746D2F0AEE2EE1FF7B8ED18" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_8A9D49974D9E8968DAC5EE1FF7B9B928" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_0A91CAB4743D9A182AF7EE273421226A" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0E6DBF9E2746D2F0AEE2EE1FF7B8ED18" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_0A91CAB4743D9A182AF7EE273421226A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_ECECA4048BD25C9514B5EE1FF7B9DBB5" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0E6DBF9E2746D2F0AEE2EE1FF7B8ED18" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_ECECA4048BD25C9514B5EE1FF7B9DBB5" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsScheduleOfLiabilitiesAssumedAndAssetsAcquiredDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_0047345AA3EF4B604B3DE9F298880BA3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_842E17A5E2B543348361E9F2988608C7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0047345AA3EF4B604B3DE9F298880BA3" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_842E17A5E2B543348361E9F2988608C7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_88FB1C91A02C4B9B2D3CE9F298865D86" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_842E17A5E2B543348361E9F2988608C7" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_88FB1C91A02C4B9B2D3CE9F298865D86" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_766E7B88AD556CD9F45FE9F29886E100_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_88FB1C91A02C4B9B2D3CE9F298865D86" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_766E7B88AD556CD9F45FE9F29886E100_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_766E7B88AD556CD9F45FE9F29886E100" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_88FB1C91A02C4B9B2D3CE9F298865D86" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_766E7B88AD556CD9F45FE9F29886E100" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CarbonBlackInc.Member" xlink:label="loc_dell_CarbonBlackInc.Member_8688F12BE7422970202CE9F298876210" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_766E7B88AD556CD9F45FE9F29886E100" xlink:to="loc_dell_CarbonBlackInc.Member_8688F12BE7422970202CE9F298876210" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_FFFF870FAE29B5C318A9E9F29887BB68" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_842E17A5E2B543348361E9F2988608C7" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_FFFF870FAE29B5C318A9E9F29887BB68" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_172E50E5C95F255F190CE9F2988760BD_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_FFFF870FAE29B5C318A9E9F29887BB68" xlink:to="loc_us-gaap_SegmentDomain_172E50E5C95F255F190CE9F2988760BD_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_172E50E5C95F255F190CE9F2988760BD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_FFFF870FAE29B5C318A9E9F29887BB68" xlink:to="loc_us-gaap_SegmentDomain_172E50E5C95F255F190CE9F2988760BD" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_3533BFD87551696C94FBE9F298870DBF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_172E50E5C95F255F190CE9F2988760BD" xlink:to="loc_dell_VMwareInc.Member_3533BFD87551696C94FBE9F298870DBF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_9B37A3B5E51CC2E9CA74E9F29888B95C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0047345AA3EF4B604B3DE9F298880BA3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_9B37A3B5E51CC2E9CA74E9F29888B95C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_13E9EA9A487C9DDAA9D7E9F298880F0B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0047345AA3EF4B604B3DE9F298880BA3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_13E9EA9A487C9DDAA9D7E9F298880F0B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_97DE52C02D05CB87E7B6E9F298889B07" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0047345AA3EF4B604B3DE9F298880BA3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_97DE52C02D05CB87E7B6E9F298889B07" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_0F39EB0DE4467E50F9B1E9F298898276" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0047345AA3EF4B604B3DE9F298880BA3" xlink:to="loc_us-gaap_Goodwill_0F39EB0DE4467E50F9B1E9F298898276" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_B2AF3C17E7D1F1470841E9F29889E560" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0047345AA3EF4B604B3DE9F298880BA3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_B2AF3C17E7D1F1470841E9F29889E560" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_64DDEF5C1849AACE9722E9F298892CD0" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0047345AA3EF4B604B3DE9F298880BA3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_64DDEF5C1849AACE9722E9F298892CD0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_E809220F796DA5E57B65E9F29889DF55" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0047345AA3EF4B604B3DE9F298880BA3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_E809220F796DA5E57B65E9F29889DF55" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_2675C9FB5A0F2EAEA700E9F298899A23" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0047345AA3EF4B604B3DE9F298880BA3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_2675C9FB5A0F2EAEA700E9F298899A23" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_694A350A6F4995777248E9F2988925E8" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0047345AA3EF4B604B3DE9F298880BA3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_694A350A6F4995777248E9F2988925E8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_B3E012424F3AF8FE4810E9F2988A54B7" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0047345AA3EF4B604B3DE9F298880BA3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_B3E012424F3AF8FE4810E9F2988A54B7" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/BusinessCombinationsGoodwillAndIntangibleAssetsVmwareIncAcquisitionsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F323C43AC2276418AC9EE9F298938038" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F323C43AC2276418AC9EE9F298938038" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_74E7006E0EBCFE2207B5E9F298933148" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F323C43AC2276418AC9EE9F298938038" xlink:to="loc_us-gaap_AwardTypeAxis_74E7006E0EBCFE2207B5E9F298933148" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F83A2B0A08AAEDF7BA6BE9F298945CB8_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_74E7006E0EBCFE2207B5E9F298933148" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F83A2B0A08AAEDF7BA6BE9F298945CB8_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F83A2B0A08AAEDF7BA6BE9F298945CB8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_74E7006E0EBCFE2207B5E9F298933148" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F83A2B0A08AAEDF7BA6BE9F298945CB8" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_EmployeeStockAndRestrictedStockMember" xlink:label="loc_dell_EmployeeStockAndRestrictedStockMember_A9522CD19B8C56DA695CE9F29894379E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F83A2B0A08AAEDF7BA6BE9F298945CB8" xlink:to="loc_dell_EmployeeStockAndRestrictedStockMember_A9522CD19B8C56DA695CE9F29894379E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_A37DCD95363BAC5BF062E9F29894E141" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F323C43AC2276418AC9EE9F298938038" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_A37DCD95363BAC5BF062E9F29894E141" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_A5C29DE916E179DF875EE9F298949112_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_A37DCD95363BAC5BF062E9F29894E141" xlink:to="loc_us-gaap_SegmentDomain_A5C29DE916E179DF875EE9F298949112_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_A5C29DE916E179DF875EE9F298949112" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_A37DCD95363BAC5BF062E9F29894E141" xlink:to="loc_us-gaap_SegmentDomain_A5C29DE916E179DF875EE9F298949112" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_EB303BFC5FDDF0D465D9E9F29895EE95" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_A5C29DE916E179DF875EE9F298949112" xlink:to="loc_dell_VMwareInc.Member_EB303BFC5FDDF0D465D9E9F29895EE95" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_AAE2B2D28FCAEEDC4D3FE9F29895EEB3" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F323C43AC2276418AC9EE9F298938038" xlink:to="loc_srt_RangeAxis_AAE2B2D28FCAEEDC4D3FE9F29895EEB3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_59B20238D04FF2BBE0B4E9F298954CF4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_AAE2B2D28FCAEEDC4D3FE9F29895EEB3" xlink:to="loc_srt_RangeMember_59B20238D04FF2BBE0B4E9F298954CF4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_59B20238D04FF2BBE0B4E9F298954CF4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_AAE2B2D28FCAEEDC4D3FE9F29895EEB3" xlink:to="loc_srt_RangeMember_59B20238D04FF2BBE0B4E9F298954CF4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_9ECD4068044FBC156449E9F29896D833" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_59B20238D04FF2BBE0B4E9F298954CF4" xlink:to="loc_srt_MinimumMember_9ECD4068044FBC156449E9F29896D833" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_5B06A83D0A7FF4C4F11AE9F29896A82C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_59B20238D04FF2BBE0B4E9F298954CF4" xlink:to="loc_srt_MaximumMember_5B06A83D0A7FF4C4F11AE9F29896A82C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_0AD1FF97D1F2CA91DAB8E9F29896EDF7" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F323C43AC2276418AC9EE9F298938038" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_0AD1FF97D1F2CA91DAB8E9F29896EDF7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_D7A9DFDC653A21C16264E9F298963A61_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_0AD1FF97D1F2CA91DAB8E9F29896EDF7" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_D7A9DFDC653A21C16264E9F298963A61_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_D7A9DFDC653A21C16264E9F298963A61" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_0AD1FF97D1F2CA91DAB8E9F29896EDF7" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_D7A9DFDC653A21C16264E9F298963A61" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CarbonBlackInc.Member" xlink:label="loc_dell_CarbonBlackInc.Member_5E5D4F06B7F9D283A855E9F2989633F9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_D7A9DFDC653A21C16264E9F298963A61" xlink:to="loc_dell_CarbonBlackInc.Member_5E5D4F06B7F9D283A855E9F2989633F9" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_AviNetworkInc.Member" xlink:label="loc_dell_AviNetworkInc.Member_C89B1E72E6E04AA3991BE9F29897A386" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_D7A9DFDC653A21C16264E9F298963A61" xlink:to="loc_dell_AviNetworkInc.Member_C89B1E72E6E04AA3991BE9F29897A386" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CloudHealthTechnologiesMember" xlink:label="loc_dell_CloudHealthTechnologiesMember_B1033A344A71426B5D6DE9F2989771EF" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_D7A9DFDC653A21C16264E9F298963A61" xlink:to="loc_dell_CloudHealthTechnologiesMember_B1033A344A71426B5D6DE9F2989771EF" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_HeptioInc.Member" xlink:label="loc_dell_HeptioInc.Member_6DA6122E79AA20DDEA0CE9F2989796C0" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_D7A9DFDC653A21C16264E9F298963A61" xlink:to="loc_dell_HeptioInc.Member_6DA6122E79AA20DDEA0CE9F2989796C0" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VeloCloudNetworksInc.Member" xlink:label="loc_dell_VeloCloudNetworksInc.Member_18E1E0DF3583C6A80C10E9F2989746BC" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_D7A9DFDC653A21C16264E9F298963A61" xlink:to="loc_dell_VeloCloudNetworksInc.Member_18E1E0DF3583C6A80C10E9F2989746BC" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_WavefrontandApteligentIncMember" xlink:label="loc_dell_WavefrontandApteligentIncMember_790784F21093B731AB61E9F298981B5E" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_D7A9DFDC653A21C16264E9F298963A61" xlink:to="loc_dell_WavefrontandApteligentIncMember_790784F21093B731AB61E9F298981B5E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_6629300899B33BC4CA43E9F29898FD70" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F323C43AC2276418AC9EE9F298938038" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_6629300899B33BC4CA43E9F29898FD70" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_44F4C4A4350CDDDF6B47E9F298982219_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_6629300899B33BC4CA43E9F29898FD70" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_44F4C4A4350CDDDF6B47E9F298982219_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_44F4C4A4350CDDDF6B47E9F298982219" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_6629300899B33BC4CA43E9F29898FD70" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_44F4C4A4350CDDDF6B47E9F298982219" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TechnologyBasedIntangibleAssetsMember" xlink:label="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_1A0443BCB41CD09D99FEE9F298982085" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_44F4C4A4350CDDDF6B47E9F298982219" xlink:to="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_1A0443BCB41CD09D99FEE9F298982085" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CustomerContractsMember" xlink:label="loc_us-gaap_CustomerContractsMember_51AAAF2B78A2B82FBF84E9F2989957EF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_44F4C4A4350CDDDF6B47E9F298982219" xlink:to="loc_us-gaap_CustomerContractsMember_51AAAF2B78A2B82FBF84E9F2989957EF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionSharePrice" xlink:label="loc_us-gaap_BusinessAcquisitionSharePrice_9554CF1ADE4D11B4EFDFE9F298996D43" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_BusinessAcquisitionSharePrice_9554CF1ADE4D11B4EFDFE9F298996D43" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_5DF8EB6A2C5F0376662BE9F298997D3B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_5DF8EB6A2C5F0376662BE9F298997D3B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAcquiredFromAcquisition" xlink:label="loc_us-gaap_CashAcquiredFromAcquisition_8D61F46203C2E829A2D0E9F29899EEFF" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_CashAcquiredFromAcquisition_8D61F46203C2E829A2D0E9F29899EEFF" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_BusinessCombinationCompensationExpenseSubjectToSpecifiedFutureEmploymentConditionsAmountHeldWithThirdPartyPayingAgent" xlink:label="loc_dell_BusinessCombinationCompensationExpenseSubjectToSpecifiedFutureEmploymentConditionsAmountHeldWithThirdPartyPayingAgent_4DDB36931374C421E35FE9F29899A7B4" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_dell_BusinessCombinationCompensationExpenseSubjectToSpecifiedFutureEmploymentConditionsAmountHeldWithThirdPartyPayingAgent_4DDB36931374C421E35FE9F29899A7B4" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_BusinessCombinationCompensationExpenseSubjectToSpecifiedFutureEmploymentConditionsRequisiteServicePeriod" xlink:label="loc_dell_BusinessCombinationCompensationExpenseSubjectToSpecifiedFutureEmploymentConditionsRequisiteServicePeriod_DF31D3EE65F0F23939EAE9F2989ABC7C" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_dell_BusinessCombinationCompensationExpenseSubjectToSpecifiedFutureEmploymentConditionsRequisiteServicePeriod_DF31D3EE65F0F23939EAE9F2989ABC7C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_B3F7D835AC342F57EE9BE9F2989ABEEA" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_B3F7D835AC342F57EE9BE9F2989ABEEA" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ShareBasedPaymentArrangementPreCombinationServiceCostAmount" xlink:label="loc_dell_ShareBasedPaymentArrangementPreCombinationServiceCostAmount_B3CCBDC32779ACF00993E9F2989A4A7B" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_dell_ShareBasedPaymentArrangementPreCombinationServiceCostAmount_B3CCBDC32779ACF00993E9F2989A4A7B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_833A7EA57541506D7573E9F2989A658D" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_833A7EA57541506D7573E9F2989A658D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_0BF917BBE3473853EC4EE9F2989ABAD7" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_0BF917BBE3473853EC4EE9F2989ABAD7" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_BusinessAcquisitionExchangeOfSharesRatio" xlink:label="loc_dell_BusinessAcquisitionExchangeOfSharesRatio_A3356D550CFBE668E67EE9F2989AD657" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_dell_BusinessAcquisitionExchangeOfSharesRatio_A3356D550CFBE668E67EE9F2989AD657" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount" xlink:label="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_5DD2B35237DB9A6FA1E9E9F2989AB3FC" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_5DD2B35237DB9A6FA1E9E9F2989AB3FC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NumberOfBusinessesAcquired" xlink:label="loc_us-gaap_NumberOfBusinessesAcquired_5C48E1BBA336B41FF3F9E9F2989B58D8" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_NumberOfBusinessesAcquired_5C48E1BBA336B41FF3F9E9F2989B58D8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_CB9BF3E2542597DF8444E9F2989B47FB" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_CB9BF3E2542597DF8444E9F2989B47FB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_78B202784A1056839AFFE9F2989B83C8" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_Goodwill_78B202784A1056839AFFE9F2989B83C8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_CFA5DEFB4844C060BA74E9F2989B6D7E" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_CFA5DEFB4844C060BA74E9F2989B6D7E" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedUnvestedEquityAttributabletoPostCombinationServices" xlink:label="loc_dell_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedUnvestedEquityAttributabletoPostCombinationServices_C75B5114E141265DA0B6E9F2989B4FD8" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_dell_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedUnvestedEquityAttributabletoPostCombinationServices_C75B5114E141265DA0B6E9F2989B4FD8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_A4BB84BE5F4041E3C158E9F2989BEE06" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_A4BB84BE5F4041E3C158E9F2989BEE06" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EscrowDeposit" xlink:label="loc_us-gaap_EscrowDeposit_34A44784F2B33851E3E3E9F2989CDF11" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_EscrowDeposit_34A44784F2B33851E3E3E9F2989CDF11" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_37A1C31A5DC714381EB0E9F2989C466D" xlink:type="locator" />
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_37A1C31A5DC714381EB0E9F2989C466D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_E8CD416AE3110274E3CFE9F2989C5C17" xlink:type="locator" />
    <link:definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_E8CD416AE3110274E3CFE9F2989C5C17" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_998763133E74AB47927DE9F2989C4C50" xlink:type="locator" />
    <link:definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_998763133E74AB47927DE9F2989C4C50" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain" xlink:label="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_4F338117B0F8346B243CE9F2989C876C" xlink:type="locator" />
    <link:definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_4F338117B0F8346B243CE9F2989C876C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1" xlink:label="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1_846523CAFA94D16B0E82E9F2989C56A0" xlink:type="locator" />
    <link:definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_FCFA5809AFDA8FFBEA30E9F2989955DE" xlink:to="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1_846523CAFA94D16B0E82E9F2989C56A0" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/Capitalization" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/CapitalizationAdditionalInformationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_E1761D5357C2A496BF27E9F2977E91BA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_E1761D5357C2A496BF27E9F2977E91BA" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_8DFD28739700CB4DDEA1E9F2977E5CA1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_E1761D5357C2A496BF27E9F2977E91BA" xlink:to="loc_srt_RangeAxis_8DFD28739700CB4DDEA1E9F2977E5CA1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_10E7CCE194252AAC5424E9F2977F01C6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_8DFD28739700CB4DDEA1E9F2977E5CA1" xlink:to="loc_srt_RangeMember_10E7CCE194252AAC5424E9F2977F01C6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_10E7CCE194252AAC5424E9F2977F01C6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_8DFD28739700CB4DDEA1E9F2977E5CA1" xlink:to="loc_srt_RangeMember_10E7CCE194252AAC5424E9F2977F01C6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_WeightedAverageMember" xlink:label="loc_srt_WeightedAverageMember_0A9BB047CAC0932C1875E9F2977F0336" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_10E7CCE194252AAC5424E9F2977F01C6" xlink:to="loc_srt_WeightedAverageMember_0A9BB047CAC0932C1875E9F2977F0336" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_A0BC2DC5CEB61D98B98BE9F2977FC698" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_E1761D5357C2A496BF27E9F2977E91BA" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_A0BC2DC5CEB61D98B98BE9F2977FC698" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_B81CA48DE99E27926B53E9F2977F0375_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_A0BC2DC5CEB61D98B98BE9F2977FC698" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_B81CA48DE99E27926B53E9F2977F0375_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_B81CA48DE99E27926B53E9F2977F0375" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_A0BC2DC5CEB61D98B98BE9F2977FC698" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_B81CA48DE99E27926B53E9F2977F0375" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BridgeLoanMember" xlink:label="loc_us-gaap_BridgeLoanMember_4B5F232CC6C7C3BAA67DE9F29780EDA6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_B81CA48DE99E27926B53E9F2977F0375" xlink:to="loc_us-gaap_BridgeLoanMember_4B5F232CC6C7C3BAA67DE9F29780EDA6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_B7DF6D9CF699FD8480B9E9F29780CDF8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_E1761D5357C2A496BF27E9F2977E91BA" xlink:to="loc_us-gaap_CreditFacilityAxis_B7DF6D9CF699FD8480B9E9F29780CDF8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_8CDA5C97BA60DFA49482E9F29780B936_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_B7DF6D9CF699FD8480B9E9F29780CDF8" xlink:to="loc_us-gaap_CreditFacilityDomain_8CDA5C97BA60DFA49482E9F29780B936_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_8CDA5C97BA60DFA49482E9F29780B936" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_B7DF6D9CF699FD8480B9E9F29780CDF8" xlink:to="loc_us-gaap_CreditFacilityDomain_8CDA5C97BA60DFA49482E9F29780B936" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_EA5DA391331F98671E54E9F29780AD71" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_8CDA5C97BA60DFA49482E9F29780B936" xlink:to="loc_us-gaap_LineOfCreditMember_EA5DA391331F98671E54E9F29780AD71" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_B93E477DEBCD295A6A7CE9F297812BD8" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_E1761D5357C2A496BF27E9F2977E91BA" xlink:to="loc_us-gaap_ShareRepurchaseProgramAxis_B93E477DEBCD295A6A7CE9F297812BD8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_B93E477DEBCD295A6A7CE9F297812BD8" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_B93E477DEBCD295A6A7CE9F297812BD8" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DellStockRepurchaseProgramMember" xlink:label="loc_dell_DellStockRepurchaseProgramMember_6E291EAAF0CE28DA3B9FE9F297815FBD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473" xlink:to="loc_dell_DellStockRepurchaseProgramMember_6E291EAAF0CE28DA3B9FE9F297815FBD" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_August2017andMarch2017ClassVGroupRepurchaseProgramsMember" xlink:label="loc_dell_August2017andMarch2017ClassVGroupRepurchaseProgramsMember_D58DB0E0F406ACD21453E9F29781637E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473" xlink:to="loc_dell_August2017andMarch2017ClassVGroupRepurchaseProgramsMember_D58DB0E0F406ACD21453E9F29781637E" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_March2017ClassVGroupRepurchaseProgramMember" xlink:label="loc_dell_March2017ClassVGroupRepurchaseProgramMember_29C23D47A28B22ABD7BAE9F2978144FE" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473" xlink:to="loc_dell_March2017ClassVGroupRepurchaseProgramMember_29C23D47A28B22ABD7BAE9F2978144FE" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_August2017ClassVGroupRepurchaseProgramMember" xlink:label="loc_dell_August2017ClassVGroupRepurchaseProgramMember_B9DBBCC09142708F6C86E9F29782ED8C" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473" xlink:to="loc_dell_August2017ClassVGroupRepurchaseProgramMember_B9DBBCC09142708F6C86E9F29782ED8C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_January2017andAugust2017AuthorizationsMember" xlink:label="loc_dell_January2017andAugust2017AuthorizationsMember_61ABF0C9ECAE150FBCB0E9F29782124B" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473" xlink:to="loc_dell_January2017andAugust2017AuthorizationsMember_61ABF0C9ECAE150FBCB0E9F29782124B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareStockRepurchaseProgramDecember2016Member" xlink:label="loc_dell_VMwareStockRepurchaseProgramDecember2016Member_7A55E1D4FE8461F00827E9F29782AF6A" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473" xlink:to="loc_dell_VMwareStockRepurchaseProgramDecember2016Member_7A55E1D4FE8461F00827E9F29782AF6A" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareStockRepurchaseProgramJanuary2017Member" xlink:label="loc_dell_VMwareStockRepurchaseProgramJanuary2017Member_B31AC9FB7E9393A3C06AE9F29782D63B" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473" xlink:to="loc_dell_VMwareStockRepurchaseProgramJanuary2017Member_B31AC9FB7E9393A3C06AE9F29782D63B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_August2017AuthorizationMember" xlink:label="loc_dell_August2017AuthorizationMember_958711171DC7B6A987EBE9F297820F88" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473" xlink:to="loc_dell_August2017AuthorizationMember_958711171DC7B6A987EBE9F297820F88" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_March2017andAugust2017StockPurchaseAgreementsMember" xlink:label="loc_dell_March2017andAugust2017StockPurchaseAgreementsMember_46F22445AD5372E9E231E9F2978216EE" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473" xlink:to="loc_dell_March2017andAugust2017StockPurchaseAgreementsMember_46F22445AD5372E9E231E9F2978216EE" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_March2017VMWareStockPurchaseAgreementMember" xlink:label="loc_dell_March2017VMWareStockPurchaseAgreementMember_80933F866753C1F4289CE9F2978248D3" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473" xlink:to="loc_dell_March2017VMWareStockPurchaseAgreementMember_80933F866753C1F4289CE9F2978248D3" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_August2017VMwareStockPurchaseAgreementMember" xlink:label="loc_dell_August2017VMwareStockPurchaseAgreementMember_83612798087A90792927E9F29783ED2A" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_CA7276E43D6601B9F719E9F297814473" xlink:to="loc_dell_August2017VMwareStockPurchaseAgreementMember_83612798087A90792927E9F29783ED2A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_E638F477C621362C0BC2E9F297833174" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_E1761D5357C2A496BF27E9F2977E91BA" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_E638F477C621362C0BC2E9F297833174" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_62CFE99A49C651AC2F04E9F29783366E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_E638F477C621362C0BC2E9F297833174" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_62CFE99A49C651AC2F04E9F29783366E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_62CFE99A49C651AC2F04E9F29783366E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_E638F477C621362C0BC2E9F297833174" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_62CFE99A49C651AC2F04E9F29783366E" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_MergerAgreementMember" xlink:label="loc_dell_MergerAgreementMember_72381FD9DF5F37B678D0E9F29783EF22" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_62CFE99A49C651AC2F04E9F29783366E" xlink:to="loc_dell_MergerAgreementMember_72381FD9DF5F37B678D0E9F29783EF22" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipAxis" xlink:label="loc_srt_OwnershipAxis_E31F68D8C501E951F0F2E9F2978457E4" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_E1761D5357C2A496BF27E9F2977E91BA" xlink:to="loc_srt_OwnershipAxis_E31F68D8C501E951F0F2E9F2978457E4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipDomain" xlink:label="loc_srt_OwnershipDomain_FE911100F2F93D4DA497E9F297848AE1_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_E31F68D8C501E951F0F2E9F2978457E4" xlink:to="loc_srt_OwnershipDomain_FE911100F2F93D4DA497E9F297848AE1_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipDomain" xlink:label="loc_srt_OwnershipDomain_FE911100F2F93D4DA497E9F297848AE1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_E31F68D8C501E951F0F2E9F2978457E4" xlink:to="loc_srt_OwnershipDomain_FE911100F2F93D4DA497E9F297848AE1" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ClassVCommonStockOwnersMember" xlink:label="loc_dell_ClassVCommonStockOwnersMember_B5A5D04C231E278BD55EE9F29785026F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_FE911100F2F93D4DA497E9F297848AE1" xlink:to="loc_dell_ClassVCommonStockOwnersMember_B5A5D04C231E278BD55EE9F29785026F" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DHIGroupOwnersMember" xlink:label="loc_dell_DHIGroupOwnersMember_CB7CF1016A085623E832E9F29785DD6B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_FE911100F2F93D4DA497E9F297848AE1" xlink:to="loc_dell_DHIGroupOwnersMember_CB7CF1016A085623E832E9F29785DD6B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_14469F9A58AA7CC1C034E9F297852810" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_E1761D5357C2A496BF27E9F2977E91BA" xlink:to="loc_us-gaap_StatementClassOfStockAxis_14469F9A58AA7CC1C034E9F297852810" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_AAB73A699AC02034F064E9F29785E9EE_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_14469F9A58AA7CC1C034E9F297852810" xlink:to="loc_us-gaap_ClassOfStockDomain_AAB73A699AC02034F064E9F29785E9EE_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_AAB73A699AC02034F064E9F29785E9EE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_14469F9A58AA7CC1C034E9F297852810" xlink:to="loc_us-gaap_ClassOfStockDomain_AAB73A699AC02034F064E9F29785E9EE" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassVMember" xlink:label="loc_dell_CommonClassVMember_E7B1DFE0E48039D84AFAE9F29786FFE6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_AAB73A699AC02034F064E9F29785E9EE" xlink:to="loc_dell_CommonClassVMember_E7B1DFE0E48039D84AFAE9F29786FFE6" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ClassVGroupRepurchaseProgramMember" xlink:label="loc_dell_ClassVGroupRepurchaseProgramMember_E1CD5B27A409751B30C5E9F297861AA8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_AAB73A699AC02034F064E9F29785E9EE" xlink:to="loc_dell_ClassVGroupRepurchaseProgramMember_E1CD5B27A409751B30C5E9F297861AA8" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember" xlink:label="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_63AA4BDAA92B45ABB6DCE9F2978621CA" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_AAB73A699AC02034F064E9F29785E9EE" xlink:to="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_63AA4BDAA92B45ABB6DCE9F2978621CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="loc_us-gaap_CommonClassAMember_3A04F30151948F19D3B8E9F29786297A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_AAB73A699AC02034F064E9F29785E9EE" xlink:to="loc_us-gaap_CommonClassAMember_3A04F30151948F19D3B8E9F29786297A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="loc_us-gaap_CommonClassBMember_46F9EFC0E5CD6D3D1B76E9F297862088" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_AAB73A699AC02034F064E9F29785E9EE" xlink:to="loc_us-gaap_CommonClassBMember_46F9EFC0E5CD6D3D1B76E9F297862088" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassCMember" xlink:label="loc_us-gaap_CommonClassCMember_970C58D8E9C13DF74D2FE9F297876A02" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_AAB73A699AC02034F064E9F29785E9EE" xlink:to="loc_us-gaap_CommonClassCMember_970C58D8E9C13DF74D2FE9F297876A02" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassDMember" xlink:label="loc_dell_CommonClassDMember_5CE1AED13C985D2426EDE9F297877F01" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_AAB73A699AC02034F064E9F29785E9EE" xlink:to="loc_dell_CommonClassDMember_5CE1AED13C985D2426EDE9F297877F01" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_57733FB97826E635CDA5E9F297877D5D" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_E1761D5357C2A496BF27E9F2977E91BA" xlink:to="loc_dei_LegalEntityAxis_57733FB97826E635CDA5E9F297877D5D" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_83E2B3BCD442D8F312F5E9F2978738AE_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_57733FB97826E635CDA5E9F297877D5D" xlink:to="loc_dei_EntityDomain_83E2B3BCD442D8F312F5E9F2978738AE_default" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_83E2B3BCD442D8F312F5E9F2978738AE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_57733FB97826E635CDA5E9F297877D5D" xlink:to="loc_dei_EntityDomain_83E2B3BCD442D8F312F5E9F2978738AE" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_76BBDFEB06898C7D91CCE9F297870ED1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_83E2B3BCD442D8F312F5E9F2978738AE" xlink:to="loc_dell_VMwareInc.Member_76BBDFEB06898C7D91CCE9F297870ED1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_DF11ED3BBFC3EBDD6160E9F2978883D0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_DF11ED3BBFC3EBDD6160E9F2978883D0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_56A25DEBCF2C428575DDE9F2978822E7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_56A25DEBCF2C428575DDE9F2978822E7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_F23137477B3DA565FE3EE9F297889FFC" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_PreferredStockSharesIssued_F23137477B3DA565FE3EE9F297889FFC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_0F21DCF3FB448EC14DDCE9F29788E0D5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_0F21DCF3FB448EC14DDCE9F29788E0D5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_2E6367C618042B9567EFE9F297895437" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_2E6367C618042B9567EFE9F297895437" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonStockNumberOfVotingRights" xlink:label="loc_dell_CommonStockNumberOfVotingRights_BF2F261A2BADAB489D81E9F297894C2B" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_dell_CommonStockNumberOfVotingRights_BF2F261A2BADAB489D81E9F297894C2B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConversionOfStockSharesIssued1" xlink:label="loc_us-gaap_ConversionOfStockSharesIssued1_0576EECF8D35E1929C8EE9F29789E4F2" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_ConversionOfStockSharesIssued1_0576EECF8D35E1929C8EE9F29789E4F2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_4215CECC30DD7645740BE9F297890F34" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_4215CECC30DD7645740BE9F297890F34" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_5320769297BC67480DDAE9F297899113" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_5320769297BC67480DDAE9F297899113" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_BF60AFA5166399998CECE9F29789FF7A" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_BF60AFA5166399998CECE9F29789FF7A" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_BusinessCombinationConsiderationTransferredConvertibleSharesAmountPerShare" xlink:label="loc_dell_BusinessCombinationConsiderationTransferredConvertibleSharesAmountPerShare_078010E298813A1606BEE9F2978AC2C1" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_dell_BusinessCombinationConsiderationTransferredConvertibleSharesAmountPerShare_078010E298813A1606BEE9F2978AC2C1" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_BusinessCombinationConsiderationTransferredConvertibleSharesRatioOfShares" xlink:label="loc_dell_BusinessCombinationConsiderationTransferredConvertibleSharesRatioOfShares_4F51A65C510ED8E8D3AEE9F2978AFCB8" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_dell_BusinessCombinationConsiderationTransferredConvertibleSharesRatioOfShares_4F51A65C510ED8E8D3AEE9F2978AFCB8" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_EquityInstrumentCovenantThresholdConsecutiveTradingDays" xlink:label="loc_dell_EquityInstrumentCovenantThresholdConsecutiveTradingDays_87187DC47FE4DF701DA3E9F2978A61A5" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_dell_EquityInstrumentCovenantThresholdConsecutiveTradingDays_87187DC47FE4DF701DA3E9F2978A61A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfDebt_82656685C2F422339772E9F2978A85B7" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfDebt_82656685C2F422339772E9F2978A85B7" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ProceedsFromDividendsFromAffiliates" xlink:label="loc_dell_ProceedsFromDividendsFromAffiliates_7F6C93CB8E2831B6BF6AE9F2978A90D8" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_dell_ProceedsFromDividendsFromAffiliates_7F6C93CB8E2831B6BF6AE9F2978A90D8" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_BusinessCombinationConditionalCashDividendPaid" xlink:label="loc_dell_BusinessCombinationConditionalCashDividendPaid_A1E7A4D2BA673CF2EECEE9F2978A64C2" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_dell_BusinessCombinationConditionalCashDividendPaid_A1E7A4D2BA673CF2EECEE9F2978A64C2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_950D2DBEB9FBBEC30B9BE9F2978AD6F0" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_950D2DBEB9FBBEC30B9BE9F2978AD6F0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_6826C2C24279B9919571E9F2978A6A38" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_6826C2C24279B9919571E9F2978A6A38" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_StockRepurchaseProgramTerm" xlink:label="loc_dell_StockRepurchaseProgramTerm_EFBCAD97B5246CF679C6E9F2978B40CE" xlink:type="locator" />
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_dell_StockRepurchaseProgramTerm_EFBCAD97B5246CF679C6E9F2978B40CE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_76A30953B8ABB13FCE59E9F2978B5375" xlink:type="locator" />
    <link:definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_76A30953B8ABB13FCE59E9F2978B5375" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_2F51671A695C124E738FE9F2978BB4AA" xlink:type="locator" />
    <link:definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_2F51671A695C124E738FE9F2978BB4AA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_A21C709A40C1E19DAB31E9F2978B8095" xlink:type="locator" />
    <link:definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_A21C709A40C1E19DAB31E9F2978B8095" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_7468A03A492713220B51E9F2978B1CC7" xlink:type="locator" />
    <link:definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_7468A03A492713220B51E9F2978B1CC7" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_NumberofStockPurchaseAgreements" xlink:label="loc_dell_NumberofStockPurchaseAgreements_901E654B73DD5454C748E9F2978B840B" xlink:type="locator" />
    <link:definitionArc order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_dell_NumberofStockPurchaseAgreements_901E654B73DD5454C748E9F2978B840B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_StockRepurchaseProgramDiscountPercentage" xlink:label="loc_dell_StockRepurchaseProgramDiscountPercentage_043B74EB161187549CD2E9F2978CCD59" xlink:type="locator" />
    <link:definitionArc order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_6FDA90DA565180FCD883E9F297887DB4" xlink:to="loc_dell_StockRepurchaseProgramDiscountPercentage_043B74EB161187549CD2E9F2978CCD59" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/CapitalizationRepurchaseActivityForClassVCommonStockDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_7161C3F0DD58FB4490F8E9F29772899E" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_295FCB10D3DB966EE59EE9F2976FF35E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_7161C3F0DD58FB4490F8E9F29772899E" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_295FCB10D3DB966EE59EE9F2976FF35E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipAxis" xlink:label="loc_srt_OwnershipAxis_10D8DF7D7141E30B5E19E9F297709836" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_295FCB10D3DB966EE59EE9F2976FF35E" xlink:to="loc_srt_OwnershipAxis_10D8DF7D7141E30B5E19E9F297709836" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipDomain" xlink:label="loc_srt_OwnershipDomain_B9FEE45F1D2C7852AA3DE9F2977024B3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_10D8DF7D7141E30B5E19E9F297709836" xlink:to="loc_srt_OwnershipDomain_B9FEE45F1D2C7852AA3DE9F2977024B3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipDomain" xlink:label="loc_srt_OwnershipDomain_B9FEE45F1D2C7852AA3DE9F2977024B3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_10D8DF7D7141E30B5E19E9F297709836" xlink:to="loc_srt_OwnershipDomain_B9FEE45F1D2C7852AA3DE9F2977024B3" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ClassVCommonStockOwnersMember" xlink:label="loc_dell_ClassVCommonStockOwnersMember_D1CFA9ED06A5B6FC7ECFE9F29770E014" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_B9FEE45F1D2C7852AA3DE9F2977024B3" xlink:to="loc_dell_ClassVCommonStockOwnersMember_D1CFA9ED06A5B6FC7ECFE9F29770E014" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DHIGroupOwnersMember" xlink:label="loc_dell_DHIGroupOwnersMember_11501195D7F44B639626E9F297706774" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_B9FEE45F1D2C7852AA3DE9F2977024B3" xlink:to="loc_dell_DHIGroupOwnersMember_11501195D7F44B639626E9F297706774" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_A56CD7A05051BA7ED651E9F29771221C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_295FCB10D3DB966EE59EE9F2976FF35E" xlink:to="loc_us-gaap_StatementClassOfStockAxis_A56CD7A05051BA7ED651E9F29771221C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_36359AAD9F22A3B86AA8E9F297715C39_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_A56CD7A05051BA7ED651E9F29771221C" xlink:to="loc_us-gaap_ClassOfStockDomain_36359AAD9F22A3B86AA8E9F297715C39_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_36359AAD9F22A3B86AA8E9F297715C39" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_A56CD7A05051BA7ED651E9F29771221C" xlink:to="loc_us-gaap_ClassOfStockDomain_36359AAD9F22A3B86AA8E9F297715C39" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassVMember" xlink:label="loc_dell_CommonClassVMember_7B3FB4B00C9820B6FCD2E9F297711090" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_36359AAD9F22A3B86AA8E9F297715C39" xlink:to="loc_dell_CommonClassVMember_7B3FB4B00C9820B6FCD2E9F297711090" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonStockSharesOutstandingRollForward" xlink:label="loc_dell_CommonStockSharesOutstandingRollForward_A5E590E29A8B50D84BE3E9F297729F5A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_7161C3F0DD58FB4490F8E9F29772899E" xlink:to="loc_dell_CommonStockSharesOutstandingRollForward_A5E590E29A8B50D84BE3E9F297729F5A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_409D201F24F9EE1645C3E9F29772B9DB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_CommonStockSharesOutstandingRollForward_A5E590E29A8B50D84BE3E9F297729F5A" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_409D201F24F9EE1645C3E9F29772B9DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_DE95037AF0BF01759D33E9F29772B6A4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_CommonStockSharesOutstandingRollForward_A5E590E29A8B50D84BE3E9F297729F5A" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_DE95037AF0BF01759D33E9F29772B6A4" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonStockOwnershipPercentage" xlink:label="loc_dell_CommonStockOwnershipPercentage_5F6678CACE027B5F7A25E9F297721712" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_7161C3F0DD58FB4490F8E9F29772899E" xlink:to="loc_dell_CommonStockOwnershipPercentage_5F6678CACE027B5F7A25E9F297721712" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_RetainedInterestSharesOutstandingRollForward" xlink:label="loc_dell_RetainedInterestSharesOutstandingRollForward_38D3F14C2DACADBA2F68E9F297738A0B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_7161C3F0DD58FB4490F8E9F29772899E" xlink:to="loc_dell_RetainedInterestSharesOutstandingRollForward_38D3F14C2DACADBA2F68E9F297738A0B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonStockAuthorizedSharesUnissued" xlink:label="loc_dell_CommonStockAuthorizedSharesUnissued_A142C6BA24A26CA28A0AE9F2977347CA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_RetainedInterestSharesOutstandingRollForward_38D3F14C2DACADBA2F68E9F297738A0B" xlink:to="loc_dell_CommonStockAuthorizedSharesUnissued_A142C6BA24A26CA28A0AE9F2977347CA" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonStockAuthorizedSharesUnissuedIncreaseDecrease" xlink:label="loc_dell_CommonStockAuthorizedSharesUnissuedIncreaseDecrease_320CDE488DDEFBA5598CE9F29773DFD7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_RetainedInterestSharesOutstandingRollForward_38D3F14C2DACADBA2F68E9F297738A0B" xlink:to="loc_dell_CommonStockAuthorizedSharesUnissuedIncreaseDecrease_320CDE488DDEFBA5598CE9F29773DFD7" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonStockEconomicOwnershipPercentage" xlink:label="loc_dell_CommonStockEconomicOwnershipPercentage_559BA228F6DC6B7AA8FCE9F297734B44" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_7161C3F0DD58FB4490F8E9F29772899E" xlink:to="loc_dell_CommonStockEconomicOwnershipPercentage_559BA228F6DC6B7AA8FCE9F297734B44" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/CapitalizationScheduleOfStockByClassDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_87DCA9B3CAE45DD33124E9F29797C503" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_94E2219113E4CB842B2CE9F2979530E0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_87DCA9B3CAE45DD33124E9F29797C503" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_94E2219113E4CB842B2CE9F2979530E0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_B299713F2799492232F7E9F2979540EA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_94E2219113E4CB842B2CE9F2979530E0" xlink:to="loc_us-gaap_StatementClassOfStockAxis_B299713F2799492232F7E9F2979540EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_6821C34F23F10599211AE9F2979550A7_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_B299713F2799492232F7E9F2979540EA" xlink:to="loc_us-gaap_ClassOfStockDomain_6821C34F23F10599211AE9F2979550A7_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_6821C34F23F10599211AE9F2979550A7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_B299713F2799492232F7E9F2979540EA" xlink:to="loc_us-gaap_ClassOfStockDomain_6821C34F23F10599211AE9F2979550A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="loc_us-gaap_CommonClassAMember_6E0D1731B05BCC2137BAE9F29796FB84" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6821C34F23F10599211AE9F2979550A7" xlink:to="loc_us-gaap_CommonClassAMember_6E0D1731B05BCC2137BAE9F29796FB84" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="loc_us-gaap_CommonClassBMember_EE723D5560839259082EE9F29796820E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6821C34F23F10599211AE9F2979550A7" xlink:to="loc_us-gaap_CommonClassBMember_EE723D5560839259082EE9F29796820E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassCMember" xlink:label="loc_us-gaap_CommonClassCMember_603BA79997602577DB33E9F297969355" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6821C34F23F10599211AE9F2979550A7" xlink:to="loc_us-gaap_CommonClassCMember_603BA79997602577DB33E9F297969355" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassDMember" xlink:label="loc_dell_CommonClassDMember_84425BA8B0C3AA8B60F9E9F29796CF89" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6821C34F23F10599211AE9F2979550A7" xlink:to="loc_dell_CommonClassDMember_84425BA8B0C3AA8B60F9E9F29796CF89" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassVMember" xlink:label="loc_dell_CommonClassVMember_C96E0E290962EADC5120E9F297968F54" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6821C34F23F10599211AE9F2979550A7" xlink:to="loc_dell_CommonClassVMember_C96E0E290962EADC5120E9F297968F54" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_65A61B74B89EE10046B6E9F297978851" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_87DCA9B3CAE45DD33124E9F29797C503" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_65A61B74B89EE10046B6E9F297978851" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_87CEF8C2E41AFF267E97E9F297978576" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_87DCA9B3CAE45DD33124E9F29797C503" xlink:to="loc_us-gaap_CommonStockSharesIssued_87CEF8C2E41AFF267E97E9F297978576" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_11DD1B2302EF53AAB1BEE9F29797E1A8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_87DCA9B3CAE45DD33124E9F29797C503" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_11DD1B2302EF53AAB1BEE9F29797E1A8" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/CapitalizationTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="loc_us-gaap_LossContingenciesTable_FD17A906ED24F9C44F3419F0B08E0E90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_LossContingenciesTable_FD17A906ED24F9C44F3419F0B08E0E90" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_LitigationCaseAxis" xlink:label="loc_srt_LitigationCaseAxis_815DB75C5DD433D8554B19F0B08F3DDE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_FD17A906ED24F9C44F3419F0B08E0E90" xlink:to="loc_srt_LitigationCaseAxis_815DB75C5DD433D8554B19F0B08F3DDE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_LitigationCaseTypeDomain" xlink:label="loc_srt_LitigationCaseTypeDomain_13048BDDFC321D703AE019F0B08FBD18_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_LitigationCaseAxis_815DB75C5DD433D8554B19F0B08F3DDE" xlink:to="loc_srt_LitigationCaseTypeDomain_13048BDDFC321D703AE019F0B08FBD18_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_LitigationCaseTypeDomain" xlink:label="loc_srt_LitigationCaseTypeDomain_13048BDDFC321D703AE019F0B08FBD18" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_LitigationCaseAxis_815DB75C5DD433D8554B19F0B08F3DDE" xlink:to="loc_srt_LitigationCaseTypeDomain_13048BDDFC321D703AE019F0B08FBD18" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CirbaIncVersusVMwareIncMember" xlink:label="loc_dell_CirbaIncVersusVMwareIncMember_C70BD008D9821EEE32C219F0B08F68FE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_13048BDDFC321D703AE019F0B08FBD18" xlink:to="loc_dell_CirbaIncVersusVMwareIncMember_C70BD008D9821EEE32C219F0B08F68FE" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareIncVersusCirbaIncMember" xlink:label="loc_dell_VMwareIncVersusCirbaIncMember_5FE743893D464B22085319F0B0900D46" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_13048BDDFC321D703AE019F0B08FBD18" xlink:to="loc_dell_VMwareIncVersusCirbaIncMember_5FE743893D464B22085319F0B0900D46" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_69019432917788D73FDA19F0B09021A5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_FD17A906ED24F9C44F3419F0B08E0E90" xlink:to="loc_srt_RangeAxis_69019432917788D73FDA19F0B09021A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_74F9A6D3F00DE6E9C84419F0B0909A89_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_69019432917788D73FDA19F0B09021A5" xlink:to="loc_srt_RangeMember_74F9A6D3F00DE6E9C84419F0B0909A89_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_74F9A6D3F00DE6E9C84419F0B0909A89" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_69019432917788D73FDA19F0B09021A5" xlink:to="loc_srt_RangeMember_74F9A6D3F00DE6E9C84419F0B0909A89" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_FEF9741307F158477BDB19F0B0913E90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_74F9A6D3F00DE6E9C84419F0B0909A89" xlink:to="loc_srt_MinimumMember_FEF9741307F158477BDB19F0B0913E90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_0063E2E1F39D426BF5C519F0B091C0EB" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_74F9A6D3F00DE6E9C84419F0B0909A89" xlink:to="loc_srt_MaximumMember_0063E2E1F39D426BF5C519F0B091C0EB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MajorCustomersAxis" xlink:label="loc_srt_MajorCustomersAxis_FAFE3FA051E67E61DAB419F0B091982B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_FD17A906ED24F9C44F3419F0B08E0E90" xlink:to="loc_srt_MajorCustomersAxis_FAFE3FA051E67E61DAB419F0B091982B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_NameOfMajorCustomerDomain" xlink:label="loc_srt_NameOfMajorCustomerDomain_76EB950CBFA8C37E7A1B19F0B0910E94_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_FAFE3FA051E67E61DAB419F0B091982B" xlink:to="loc_srt_NameOfMajorCustomerDomain_76EB950CBFA8C37E7A1B19F0B0910E94_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_NameOfMajorCustomerDomain" xlink:label="loc_srt_NameOfMajorCustomerDomain_76EB950CBFA8C37E7A1B19F0B0910E94" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_FAFE3FA051E67E61DAB419F0B091982B" xlink:to="loc_srt_NameOfMajorCustomerDomain_76EB950CBFA8C37E7A1B19F0B0910E94" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FourLargestContractManufacturersMember" xlink:label="loc_dell_FourLargestContractManufacturersMember_C476CCE3DE75BD6B0F7719F0B0927115" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_76EB950CBFA8C37E7A1B19F0B0910E94" xlink:to="loc_dell_FourLargestContractManufacturersMember_C476CCE3DE75BD6B0F7719F0B0927115" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PurchaseObligationDueInNextTwelveMonths" xlink:label="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_CC44D05BC176E84AFAA419F1230634AD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_CC44D05BC176E84AFAA419F1230634AD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PurchaseObligationDueInSecondYear" xlink:label="loc_us-gaap_PurchaseObligationDueInSecondYear_9D8FE4A3787BE77D67C619F12313711E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_PurchaseObligationDueInSecondYear_9D8FE4A3787BE77D67C619F12313711E" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_PurchaseObligationDueinThirdYearandAfter" xlink:label="loc_dell_PurchaseObligationDueinThirdYearandAfter_9746F9F888A6365F4CB619F123173E2F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_dell_PurchaseObligationDueinThirdYearandAfter_9746F9F888A6365F4CB619F123173E2F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_E41E433C3960BC510A1C19F15FF2A0EC" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_E41E433C3960BC510A1C19F15FF2A0EC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_6970F3BC9296324B117419F16007CC66" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_6970F3BC9296324B117419F16007CC66" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_AA1A6A52769F35DEBDE719F160147F19" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_AA1A6A52769F35DEBDE719F160147F19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_2BB5F53B996A53F5A77E19F16023EE0F" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_2BB5F53B996A53F5A77E19F16023EE0F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_43D38C2D754D0E9D6D9119F160307921" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_43D38C2D754D0E9D6D9119F160307921" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_7221000A1FF38B96EDEF19F1603E3B6B" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_7221000A1FF38B96EDEF19F1603E3B6B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LesseeOperatingLeaseLeaseNotYetCommencedLiability" xlink:label="loc_dell_LesseeOperatingLeaseLeaseNotYetCommencedLiability_CE1C0D6A24C5B0EFFB8619F0B092CCFA" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_dell_LesseeOperatingLeaseLeaseNotYetCommencedLiability_CE1C0D6A24C5B0EFFB8619F0B092CCFA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1" xlink:label="loc_us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1_D7CFF2F2F707DCA6543119F0B0933622" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1_D7CFF2F2F707DCA6543119F0B0933622" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeaseCost" xlink:label="loc_us-gaap_LeaseCost_5AE98F47E0EB43E8D89319F0B093F434" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_LeaseCost_5AE98F47E0EB43E8D89319F0B093F434" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingencyNumberOfPlaintiffs" xlink:label="loc_us-gaap_LossContingencyNumberOfPlaintiffs_C55E490F907C6773D52F19F0B094CDCC" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_LossContingencyNumberOfPlaintiffs_C55E490F907C6773D52F19F0B094CDCC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingencyPatentsAllegedlyInfringedNumber" xlink:label="loc_us-gaap_LossContingencyPatentsAllegedlyInfringedNumber_BA041F942E741DACC69319F0B09492A7" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_LossContingencyPatentsAllegedlyInfringedNumber_BA041F942E741DACC69319F0B09492A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LitigationSettlementAmountAwardedToOtherParty" xlink:label="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_C10CC8B294525869001919F0B094B18D" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_C10CC8B294525869001919F0B094B18D" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LossContingencyTrademarksAllegedlyInfringedNumber" xlink:label="loc_dell_LossContingencyTrademarksAllegedlyInfringedNumber_E916ABE0A829A94ADD2F19F0B094F004" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_dell_LossContingencyTrademarksAllegedlyInfringedNumber_E916ABE0A829A94ADD2F19F0B094F004" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesReceivableGross" xlink:label="loc_us-gaap_NotesReceivableGross_57405AD93EBC7509BC3019F0B094ACD7" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_us-gaap_NotesReceivableGross_57405AD93EBC7509BC3019F0B094ACD7" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FinanceReceivablesGrossAmountOffsetAgainstPayables" xlink:label="loc_dell_FinanceReceivablesGrossAmountOffsetAgainstPayables_F2983A8D07F40DD020EB19F0B095820B" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_3FDDAE33957C8E2DDC8E19F0B092D91C" xlink:to="loc_dell_FinanceReceivablesGrossAmountOffsetAgainstPayables_F2983A8D07F40DD020EB19F0B095820B" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/CondensedFinancialInformationOfParentCompany" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/CondensedFinancialInformationOfParentCompanyCondensedStatementOfCashFlowsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedFinancialStatementsCaptionsLineItems" xlink:label="loc_srt_CondensedFinancialStatementsCaptionsLineItems_34AA4B47E66D0BDA95C412A36414860A" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScheduleOfCondensedFinancialStatementsTable" xlink:label="loc_srt_ScheduleOfCondensedFinancialStatementsTable_C68807BF1FCB826C5C5E12A36411B462" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_34AA4B47E66D0BDA95C412A36414860A" xlink:to="loc_srt_ScheduleOfCondensedFinancialStatementsTable_C68807BF1FCB826C5C5E12A36411B462" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_E8BF79EA5AD14FBE97EB12A364128B97" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_ScheduleOfCondensedFinancialStatementsTable_C68807BF1FCB826C5C5E12A36411B462" xlink:to="loc_us-gaap_StatementClassOfStockAxis_E8BF79EA5AD14FBE97EB12A364128B97" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_0EBA6667076CCFF93AEF12A364124C12_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_E8BF79EA5AD14FBE97EB12A364128B97" xlink:to="loc_us-gaap_ClassOfStockDomain_0EBA6667076CCFF93AEF12A364124C12_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_0EBA6667076CCFF93AEF12A364124C12" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_E8BF79EA5AD14FBE97EB12A364128B97" xlink:to="loc_us-gaap_ClassOfStockDomain_0EBA6667076CCFF93AEF12A364124C12" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassVMember" xlink:label="loc_dell_CommonClassVMember_9F1FB1B2956A8302CC8312A364135EBA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_0EBA6667076CCFF93AEF12A364124C12" xlink:to="loc_dell_CommonClassVMember_9F1FB1B2956A8302CC8312A364135EBA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="loc_srt_ConsolidatedEntitiesAxis_1EA7584151910600BC2E12A364136D0E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_ScheduleOfCondensedFinancialStatementsTable_C68807BF1FCB826C5C5E12A36411B462" xlink:to="loc_srt_ConsolidatedEntitiesAxis_1EA7584151910600BC2E12A364136D0E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srt_ConsolidatedEntitiesDomain_77ACC90F0EF04AA32E0E12A36413BDF4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_1EA7584151910600BC2E12A364136D0E" xlink:to="loc_srt_ConsolidatedEntitiesDomain_77ACC90F0EF04AA32E0E12A36413BDF4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srt_ConsolidatedEntitiesDomain_77ACC90F0EF04AA32E0E12A36413BDF4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_1EA7584151910600BC2E12A364136D0E" xlink:to="loc_srt_ConsolidatedEntitiesDomain_77ACC90F0EF04AA32E0E12A36413BDF4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ParentCompanyMember" xlink:label="loc_srt_ParentCompanyMember_3F6D73023E0C3A635C1012A3641346D5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_77ACC90F0EF04AA32E0E12A36413BDF4" xlink:to="loc_srt_ParentCompanyMember_3F6D73023E0C3A635C1012A3641346D5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_C54749F8AC23A430225412A364144791" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_34AA4B47E66D0BDA95C412A36414860A" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_C54749F8AC23A430225412A364144791" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_PaymentsForProceedsFromSubsidiary" xlink:label="loc_dell_PaymentsForProceedsFromSubsidiary_22F60FEFF4E6236DF91F12A36414942B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_34AA4B47E66D0BDA95C412A36414860A" xlink:to="loc_dell_PaymentsForProceedsFromSubsidiary_22F60FEFF4E6236DF91F12A36414942B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_17413C074CE2AA1DB5A712A36414BF2B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_34AA4B47E66D0BDA95C412A36414860A" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_17413C074CE2AA1DB5A712A36414BF2B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_7A8996377082EEBC52D812A36415AF71" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_34AA4B47E66D0BDA95C412A36414860A" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_7A8996377082EEBC52D812A36415AF71" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ProceedsfromIssuanceofCommonStockofSubsidiary" xlink:label="loc_dell_ProceedsfromIssuanceofCommonStockofSubsidiary_141F4E6B2A7502AD333912A3641551D0" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_34AA4B47E66D0BDA95C412A36414860A" xlink:to="loc_dell_ProceedsfromIssuanceofCommonStockofSubsidiary_141F4E6B2A7502AD333912A3641551D0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_0F66758810E5B05E523012A36415D8A1" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_34AA4B47E66D0BDA95C412A36414860A" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_0F66758810E5B05E523012A36415D8A1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_5F52F6221673C323C20712A36415288A" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_34AA4B47E66D0BDA95C412A36414860A" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_5F52F6221673C323C20712A36415288A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_0B0B20FAAAD66EF5AF2012A3641518A1" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_34AA4B47E66D0BDA95C412A36414860A" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_0B0B20FAAAD66EF5AF2012A3641518A1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_121813E95B8B4EE4D8C312A364155F7A" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_34AA4B47E66D0BDA95C412A36414860A" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_121813E95B8B4EE4D8C312A364155F7A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_2FA2D74274D1D678006612A364166A65" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_34AA4B47E66D0BDA95C412A36414860A" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_2FA2D74274D1D678006612A364166A65" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_8202263171E8E1972E1D12A364163F7E" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_34AA4B47E66D0BDA95C412A36414860A" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_8202263171E8E1972E1D12A364163F7E" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/CondensedFinancialInformationOfParentCompanyCondensedStatementOfFinancialPositionDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedIncomeStatementsCaptionsLineItems" xlink:label="loc_srt_CondensedIncomeStatementsCaptionsLineItems_22B1702B7A6FCF543917E9F294389756" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedIncomeStatementTable" xlink:label="loc_srt_CondensedIncomeStatementTable_A4AB405311327A2E3884E9F2943735C9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_22B1702B7A6FCF543917E9F294389756" xlink:to="loc_srt_CondensedIncomeStatementTable_A4AB405311327A2E3884E9F2943735C9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="loc_srt_ConsolidatedEntitiesAxis_155127C74A572AAD2E0EE9F294371039" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_CondensedIncomeStatementTable_A4AB405311327A2E3884E9F2943735C9" xlink:to="loc_srt_ConsolidatedEntitiesAxis_155127C74A572AAD2E0EE9F294371039" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srt_ConsolidatedEntitiesDomain_6CCC71D906D70745E75DE9F29438CA4F_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_155127C74A572AAD2E0EE9F294371039" xlink:to="loc_srt_ConsolidatedEntitiesDomain_6CCC71D906D70745E75DE9F29438CA4F_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srt_ConsolidatedEntitiesDomain_6CCC71D906D70745E75DE9F29438CA4F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_155127C74A572AAD2E0EE9F294371039" xlink:to="loc_srt_ConsolidatedEntitiesDomain_6CCC71D906D70745E75DE9F29438CA4F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ParentCompanyMember" xlink:label="loc_srt_ParentCompanyMember_E66C6AE8E9055276BB62E9F29438F6FA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_6CCC71D906D70745E75DE9F29438CA4F" xlink:to="loc_srt_ParentCompanyMember_E66C6AE8E9055276BB62E9F29438F6FA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_B4963A6BEE9D7B2F9CA0E9F2943800E1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_22B1702B7A6FCF543917E9F294389756" xlink:to="loc_us-gaap_AssetsAbstract_B4963A6BEE9D7B2F9CA0E9F2943800E1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_CFEE20F20C352855893AE9F2943ECB6A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_B4963A6BEE9D7B2F9CA0E9F2943800E1" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_CFEE20F20C352855893AE9F2943ECB6A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_F284A66FEF49D15B55B2E9F2943E1873" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_B4963A6BEE9D7B2F9CA0E9F2943800E1" xlink:to="loc_us-gaap_Assets_F284A66FEF49D15B55B2E9F2943E1873" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_us-gaap_LiabilitiesAbstract_33D2CCC30A72566B8F4CE9F2943EA3AE" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_22B1702B7A6FCF543917E9F294389756" xlink:to="loc_us-gaap_LiabilitiesAbstract_33D2CCC30A72566B8F4CE9F2943EA3AE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_us-gaap_DebtCurrent_96EADB24E76A3E232DDDE9F2943F763C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_33D2CCC30A72566B8F4CE9F2943EA3AE" xlink:to="loc_us-gaap_DebtCurrent_96EADB24E76A3E232DDDE9F2943F763C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_GuaranteesOfSubsidiaryObligations" xlink:label="loc_dell_GuaranteesOfSubsidiaryObligations_ADB3346419BCCDFDED4EE9F2943FA34E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_33D2CCC30A72566B8F4CE9F2943EA3AE" xlink:to="loc_dell_GuaranteesOfSubsidiaryObligations_ADB3346419BCCDFDED4EE9F2943FA34E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_A0B5EEB9521D9F343961E9F2943F9645" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_33D2CCC30A72566B8F4CE9F2943EA3AE" xlink:to="loc_us-gaap_Liabilities_A0B5EEB9521D9F343961E9F2943F9645" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_27975F91C8257AB7A6A0E9F2943FEDBA" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_22B1702B7A6FCF543917E9F294389756" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_27975F91C8257AB7A6A0E9F2943FEDBA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_C616A4B8E253302BBBB1E9F2943FD587" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_22B1702B7A6FCF543917E9F294389756" xlink:to="loc_us-gaap_StockholdersEquityAbstract_C616A4B8E253302BBBB1E9F2943FD587" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStocksIncludingAdditionalPaidInCapital" xlink:label="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_455FF86EA1BC4440FD7CE9F2943FA69C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_C616A4B8E253302BBBB1E9F2943FD587" xlink:to="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_455FF86EA1BC4440FD7CE9F2943FA69C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_78A784571AEFCC859AE8E9F2944022DC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_C616A4B8E253302BBBB1E9F2943FD587" xlink:to="loc_us-gaap_TreasuryStockValue_78A784571AEFCC859AE8E9F2944022DC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_3542C1790FC46CAB3A00E9F294401E8F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_C616A4B8E253302BBBB1E9F2943FD587" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_3542C1790FC46CAB3A00E9F294401E8F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_59A81F2AC6EF9403F74BE9F294401E5E" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_C616A4B8E253302BBBB1E9F2943FD587" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_59A81F2AC6EF9403F74BE9F294401E5E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_8C796A1CEC22F7375D9BE9F29440812B" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_C616A4B8E253302BBBB1E9F2943FD587" xlink:to="loc_us-gaap_StockholdersEquity_8C796A1CEC22F7375D9BE9F29440812B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_772F2046E969E4154FDCE9F2944078CA" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_22B1702B7A6FCF543917E9F294389756" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_772F2046E969E4154FDCE9F2944078CA" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/CondensedFinancialInformationOfParentCompanyReconciliationOfComprehensiveLossDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedFinancialStatementsCaptionsLineItems" xlink:label="loc_srt_CondensedFinancialStatementsCaptionsLineItems_C3A1AAD179B7A8CCD93BE9F294208A07" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScheduleOfCondensedFinancialStatementsTable" xlink:label="loc_srt_ScheduleOfCondensedFinancialStatementsTable_A9590A3EEA41BDEB9CABE9F2941FA32C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_C3A1AAD179B7A8CCD93BE9F294208A07" xlink:to="loc_srt_ScheduleOfCondensedFinancialStatementsTable_A9590A3EEA41BDEB9CABE9F2941FA32C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="loc_srt_ConsolidatedEntitiesAxis_0E108841FA4A0CE0F256E9F2941FA796" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_ScheduleOfCondensedFinancialStatementsTable_A9590A3EEA41BDEB9CABE9F2941FA32C" xlink:to="loc_srt_ConsolidatedEntitiesAxis_0E108841FA4A0CE0F256E9F2941FA796" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srt_ConsolidatedEntitiesDomain_74CA396731854B6E126AE9F29420F563_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_0E108841FA4A0CE0F256E9F2941FA796" xlink:to="loc_srt_ConsolidatedEntitiesDomain_74CA396731854B6E126AE9F29420F563_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srt_ConsolidatedEntitiesDomain_74CA396731854B6E126AE9F29420F563" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_0E108841FA4A0CE0F256E9F2941FA796" xlink:to="loc_srt_ConsolidatedEntitiesDomain_74CA396731854B6E126AE9F29420F563" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ParentCompanyMember" xlink:label="loc_srt_ParentCompanyMember_7E8E0098EFFC14F2C330E9F2942032D2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_74CA396731854B6E126AE9F29420F563" xlink:to="loc_srt_ParentCompanyMember_7E8E0098EFFC14F2C330E9F2942032D2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromSubsidiariesNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromSubsidiariesNetOfTax_A8F80638219A5930E2ADE9F29421E2F7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_C3A1AAD179B7A8CCD93BE9F294208A07" xlink:to="loc_us-gaap_IncomeLossFromSubsidiariesNetOfTax_A8F80638219A5930E2ADE9F29421E2F7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_E78EFA34444B9A17870AE9F294213A54" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_C3A1AAD179B7A8CCD93BE9F294208A07" xlink:to="loc_us-gaap_OperatingExpenses_E78EFA34444B9A17870AE9F294213A54" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_7C9C6F7E56235C688ABBE9F29421A349" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_C3A1AAD179B7A8CCD93BE9F294208A07" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_7C9C6F7E56235C688ABBE9F29421A349" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_203C9D2924011B0C2DA3E9F29421C6DC" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_C3A1AAD179B7A8CCD93BE9F294208A07" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_203C9D2924011B0C2DA3E9F29421C6DC" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsAndNoncontrollingInterestNetOfTax" xlink:label="loc_dell_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsAndNoncontrollingInterestNetOfTax_1363C64E960DB630BA58E9F294216F03" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_C3A1AAD179B7A8CCD93BE9F294208A07" xlink:to="loc_dell_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsAndNoncontrollingInterestNetOfTax_1363C64E960DB630BA58E9F294216F03" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_0F3EB405630560A3F1B7E9F29422F19A" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_C3A1AAD179B7A8CCD93BE9F294208A07" xlink:to="loc_us-gaap_NetIncomeLoss_0F3EB405630560A3F1B7E9F29422F19A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_F3F89F734E9DB8F42C6BE9F29422FA73" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_C3A1AAD179B7A8CCD93BE9F294208A07" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_F3F89F734E9DB8F42C6BE9F29422FA73" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_A1DB9ECEE0EC488E361EE9F294220D4D" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems_C3A1AAD179B7A8CCD93BE9F294208A07" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_A1DB9ECEE0EC488E361EE9F294220D4D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/CondensedFinancialInformationOfParentCompanyTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_2CDB063354519507508512A36A2F867B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_90D0AA0C3CD288AECC1512A36A2EBE72" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_2CDB063354519507508512A36A2F867B" xlink:to="loc_us-gaap_StatementTable_90D0AA0C3CD288AECC1512A36A2EBE72" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_64A30A400283BD05616D12A36A2EA89A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_90D0AA0C3CD288AECC1512A36A2EBE72" xlink:to="loc_us-gaap_StatementClassOfStockAxis_64A30A400283BD05616D12A36A2EA89A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_92359253363B7723D86D12A36A2EA9EA_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_64A30A400283BD05616D12A36A2EA89A" xlink:to="loc_us-gaap_ClassOfStockDomain_92359253363B7723D86D12A36A2EA9EA_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_92359253363B7723D86D12A36A2EA9EA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_64A30A400283BD05616D12A36A2EA89A" xlink:to="loc_us-gaap_ClassOfStockDomain_92359253363B7723D86D12A36A2EA9EA" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassVMember" xlink:label="loc_dell_CommonClassVMember_8FF9BA9E65B906AF2A0C12A36A2F4B19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_92359253363B7723D86D12A36A2EA9EA" xlink:to="loc_dell_CommonClassVMember_8FF9BA9E65B906AF2A0C12A36A2F4B19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_D0F4BABF70686E4F1CF212A36A305121" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2CDB063354519507508512A36A2F867B" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_D0F4BABF70686E4F1CF212A36A305121" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_829D1CA22721A651E0BB12A36A30662F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_D0F4BABF70686E4F1CF212A36A305121" xlink:to="loc_us-gaap_ProfitLoss_829D1CA22721A651E0BB12A36A30662F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_18BED9A7194D1F84AA9A12A36A30ACB2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_D0F4BABF70686E4F1CF212A36A305121" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_18BED9A7194D1F84AA9A12A36A30ACB2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_5E33974256149679357E12A36A314BDE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_18BED9A7194D1F84AA9A12A36A30ACB2" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_5E33974256149679357E12A36A314BDE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_96E970CDF3DC4E3ABED312A36A31C155" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_18BED9A7194D1F84AA9A12A36A30ACB2" xlink:to="loc_us-gaap_ShareBasedCompensation_96E970CDF3DC4E3ABED312A36A31C155" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_044E1C135F59238C347212A36A3140CE" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_18BED9A7194D1F84AA9A12A36A30ACB2" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_044E1C135F59238C347212A36A3140CE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_870C319EED7ED8DAE6E912A36A329CDB" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_18BED9A7194D1F84AA9A12A36A30ACB2" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_870C319EED7ED8DAE6E912A36A329CDB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_3496CAEEA8068E7D76AE12A36A320B5A" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_18BED9A7194D1F84AA9A12A36A30ACB2" xlink:to="loc_us-gaap_AssetImpairmentCharges_3496CAEEA8068E7D76AE12A36A320B5A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_3D01AAD47E12A43AC61812A36A3253C0" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_18BED9A7194D1F84AA9A12A36A30ACB2" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_3D01AAD47E12A43AC61812A36A3253C0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_657A594D72E71B73DC8B12A36A32830D" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_18BED9A7194D1F84AA9A12A36A30ACB2" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_657A594D72E71B73DC8B12A36A32830D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_3A74CF81B7E98D94FD0F12A36A32E18A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_657A594D72E71B73DC8B12A36A32830D" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_3A74CF81B7E98D94FD0F12A36A32E18A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInFinanceReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInFinanceReceivables_F7A4C5B2E5E539AA24C412A36A336DC2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_657A594D72E71B73DC8B12A36A32830D" xlink:to="loc_us-gaap_IncreaseDecreaseInFinanceReceivables_F7A4C5B2E5E539AA24C412A36A336DC2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_ABBDBD723F6FC05FE63312A36A335D05" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_657A594D72E71B73DC8B12A36A32830D" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_ABBDBD723F6FC05FE63312A36A335D05" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_9CD32D252608D1C960C012A36A339117" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_657A594D72E71B73DC8B12A36A32830D" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_9CD32D252608D1C960C012A36A339117" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_FF84A8D468ED8D207ECB12A36A33D2A1" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_657A594D72E71B73DC8B12A36A32830D" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_FF84A8D468ED8D207ECB12A36A33D2A1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_748FF7DBA0F58AD0D4DD12A36A33FD90" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_657A594D72E71B73DC8B12A36A32830D" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_748FF7DBA0F58AD0D4DD12A36A33FD90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_5681579CDBC78A0E4B7412A36A343CE0" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_657A594D72E71B73DC8B12A36A32830D" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_5681579CDBC78A0E4B7412A36A343CE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_40AF02AF1D032F12444B12A36A345492" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_D0F4BABF70686E4F1CF212A36A305121" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_40AF02AF1D032F12444B12A36A345492" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_5BB8E52F099CFD44A77612A36A342917" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2CDB063354519507508512A36A2F867B" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_5BB8E52F099CFD44A77612A36A342917" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForProceedsFromInvestmentsAbstract" xlink:label="loc_us-gaap_PaymentsForProceedsFromInvestmentsAbstract_6F3BDB5D12DEE5DF0E0612A36A34753F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_5BB8E52F099CFD44A77612A36A342917" xlink:to="loc_us-gaap_PaymentsForProceedsFromInvestmentsAbstract_6F3BDB5D12DEE5DF0E0612A36A34753F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireInvestments_BE33CA8E3BD97826D0E312A36A35DA01" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PaymentsForProceedsFromInvestmentsAbstract_6F3BDB5D12DEE5DF0E0612A36A34753F" xlink:to="loc_us-gaap_PaymentsToAcquireInvestments_BE33CA8E3BD97826D0E312A36A35DA01" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments" xlink:label="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_E9ACE8B5484AF691300E12A36A3536D0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PaymentsForProceedsFromInvestmentsAbstract_6F3BDB5D12DEE5DF0E0612A36A34753F" xlink:to="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_E9ACE8B5484AF691300E12A36A3536D0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_36924A955BC29544836112A36A353349" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_5BB8E52F099CFD44A77612A36A342917" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_36924A955BC29544836112A36A353349" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_PaymentsForCapitalizedSoftwareSoldToCustomers" xlink:label="loc_dell_PaymentsForCapitalizedSoftwareSoldToCustomers_C23762EC8252C5BBBA6912A36A35CBCF" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_5BB8E52F099CFD44A77612A36A342917" xlink:to="loc_dell_PaymentsForCapitalizedSoftwareSoldToCustomers_C23762EC8252C5BBBA6912A36A35CBCF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_A193B2C16524CF544C0712A36A352C4E" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_5BB8E52F099CFD44A77612A36A342917" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_A193B2C16524CF544C0712A36A352C4E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_8DEA8DBB44CE238151A312A36A35FADD" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_5BB8E52F099CFD44A77612A36A342917" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_8DEA8DBB44CE238151A312A36A35FADD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_2D64D2CF9E86A33C5AAA12A36A36D14D" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_5BB8E52F099CFD44A77612A36A342917" xlink:to="loc_us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_2D64D2CF9E86A33C5AAA12A36A36D14D" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_PaymentsForDispositionOfPropertyPlantandEquipment" xlink:label="loc_dell_PaymentsForDispositionOfPropertyPlantandEquipment_5AC6848621A65FD68ED512A36A3656E5" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_5BB8E52F099CFD44A77612A36A342917" xlink:to="loc_dell_PaymentsForDispositionOfPropertyPlantandEquipment_5AC6848621A65FD68ED512A36A3656E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_4EF9CA31DABC6CB1768912A36A36AB1F" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_5BB8E52F099CFD44A77612A36A342917" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_4EF9CA31DABC6CB1768912A36A36AB1F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_244D4D64085DDF1D8C1412A36A37868D" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_5BB8E52F099CFD44A77612A36A342917" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_244D4D64085DDF1D8C1412A36A37868D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_26C95ABDBFF9DC92E70512A36A3727C5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2CDB063354519507508512A36A2F867B" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_26C95ABDBFF9DC92E70512A36A3727C5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_BAF4363FF749B073F0B312A36A37CF63" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_26C95ABDBFF9DC92E70512A36A3727C5" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_BAF4363FF749B073F0B312A36A37CF63" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="loc_us-gaap_PaymentsOfDividends_359C383E19555BC497B912A36A379106" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_26C95ABDBFF9DC92E70512A36A3727C5" xlink:to="loc_us-gaap_PaymentsOfDividends_359C383E19555BC497B912A36A379106" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ProceedsfromIssuanceofCommonStockofSubsidiary" xlink:label="loc_dell_ProceedsfromIssuanceofCommonStockofSubsidiary_61EB0291E0AED8607A3F12A36A3771F2" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_26C95ABDBFF9DC92E70512A36A3727C5" xlink:to="loc_dell_ProceedsfromIssuanceofCommonStockofSubsidiary_61EB0291E0AED8607A3F12A36A3771F2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_B40D545B3C5391476A7D12A36A386BA7" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_26C95ABDBFF9DC92E70512A36A3727C5" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_B40D545B3C5391476A7D12A36A386BA7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_3EE7A426C9F7563E48F612D23B661EE0" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_26C95ABDBFF9DC92E70512A36A3727C5" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_3EE7A426C9F7563E48F612D23B661EE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_231CB688CD9555D1678312A36A385918" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_26C95ABDBFF9DC92E70512A36A3727C5" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_231CB688CD9555D1678312A36A385918" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_45D9D445F687DFB6B0F112A36A38B06F" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_26C95ABDBFF9DC92E70512A36A3727C5" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_45D9D445F687DFB6B0F112A36A38B06F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_F2DB5A3C8F3BDCB3A67212A36A38BFC2" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_26C95ABDBFF9DC92E70512A36A3727C5" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_F2DB5A3C8F3BDCB3A67212A36A38BFC2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_31BA7D5FC0C396F7883F12A36A387F1D" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_26C95ABDBFF9DC92E70512A36A3727C5" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_31BA7D5FC0C396F7883F12A36A387F1D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_42925F8696428E55E84B12A36A38526E" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2CDB063354519507508512A36A2F867B" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_42925F8696428E55E84B12A36A38526E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_2270BCD0FCCE500A7AD712A36A385E77" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2CDB063354519507508512A36A2F867B" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_2270BCD0FCCE500A7AD712A36A385E77" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_34581711AEF83B25220312A36A39DD48" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2CDB063354519507508512A36A2F867B" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_34581711AEF83B25220312A36A39DD48" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_us-gaap_IncomeTaxesPaid_CE8324C2C204728BB8A812A36A39CFAE" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2CDB063354519507508512A36A2F867B" xlink:to="loc_us-gaap_IncomeTaxesPaid_CE8324C2C204728BB8A812A36A39CFAE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="loc_us-gaap_InterestPaidNet_8621F8AACBE14E81417A12A36A39278A" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2CDB063354519507508512A36A2F867B" xlink:to="loc_us-gaap_InterestPaidNet_8621F8AACBE14E81417A12A36A39278A" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/ConsolidatedStatementsOfComprehensiveIncomeLossParenthetical" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/ConsolidatedStatementsOfFinancialPosition" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/ConsolidatedStatementsOfFinancialPositionParenthetical" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/ConsolidatedStatementsOfIncomeLoss" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_09A8C7D50BEE600A0D37E9F29A25070D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_StatementTable_09A8C7D50BEE600A0D37E9F29A25070D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_8BC041A214F8487F9868E9F29A26E1F5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_09A8C7D50BEE600A0D37E9F29A25070D" xlink:to="loc_srt_ProductOrServiceAxis_8BC041A214F8487F9868E9F29A26E1F5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_5FE69079AE379A6B7D98E9F29A264D3C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_8BC041A214F8487F9868E9F29A26E1F5" xlink:to="loc_srt_ProductsAndServicesDomain_5FE69079AE379A6B7D98E9F29A264D3C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_5FE69079AE379A6B7D98E9F29A264D3C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_8BC041A214F8487F9868E9F29A26E1F5" xlink:to="loc_srt_ProductsAndServicesDomain_5FE69079AE379A6B7D98E9F29A264D3C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductMember" xlink:label="loc_us-gaap_ProductMember_4F889A87032A17F9CDB8E9F29A26A6A0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_5FE69079AE379A6B7D98E9F29A264D3C" xlink:to="loc_us-gaap_ProductMember_4F889A87032A17F9CDB8E9F29A26A6A0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ServiceMember" xlink:label="loc_us-gaap_ServiceMember_4ACE9D395FEDBE294C92E9F29A268E3C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_5FE69079AE379A6B7D98E9F29A264D3C" xlink:to="loc_us-gaap_ServiceMember_4ACE9D395FEDBE294C92E9F29A268E3C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_8C3B196FF741FD64142FE9F29A274C7B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_09A8C7D50BEE600A0D37E9F29A25070D" xlink:to="loc_us-gaap_StatementClassOfStockAxis_8C3B196FF741FD64142FE9F29A274C7B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_4AF1AF9219257FDFB5E4E9F29A27BADD_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_8C3B196FF741FD64142FE9F29A274C7B" xlink:to="loc_us-gaap_ClassOfStockDomain_4AF1AF9219257FDFB5E4E9F29A27BADD_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_4AF1AF9219257FDFB5E4E9F29A27BADD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_8C3B196FF741FD64142FE9F29A274C7B" xlink:to="loc_us-gaap_ClassOfStockDomain_4AF1AF9219257FDFB5E4E9F29A27BADD" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassVMember" xlink:label="loc_dell_CommonClassVMember_583B564A5E34BB8D6350E9F29A2734BC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_4AF1AF9219257FDFB5E4E9F29A27BADD" xlink:to="loc_dell_CommonClassVMember_583B564A5E34BB8D6350E9F29A2734BC" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember" xlink:label="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_2EC213332F21B9CFF7ECE9F29A2757B0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_4AF1AF9219257FDFB5E4E9F29A27BADD" xlink:to="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_2EC213332F21B9CFF7ECE9F29A2757B0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract_0F18680433E476240362E9F29A2880F2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_RevenuesAbstract_0F18680433E476240362E9F29A2880F2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_C7E7178715DE4C2A0E0EE9F29A285F47" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_0F18680433E476240362E9F29A2880F2" xlink:to="loc_us-gaap_Revenues_C7E7178715DE4C2A0E0EE9F29A285F47" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfRevenueAbstract" xlink:label="loc_us-gaap_CostOfRevenueAbstract_676F65A5E2BF47F4E9B3E9F29A2859AA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_CostOfRevenueAbstract_676F65A5E2BF47F4E9B3E9F29A2859AA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_us-gaap_CostOfRevenue_414704B77538C803FEBDE9F29A28656D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_676F65A5E2BF47F4E9B3E9F29A2859AA" xlink:to="loc_us-gaap_CostOfRevenue_414704B77538C803FEBDE9F29A28656D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_4CC7D1C8ED6D512A5939E9F29A29EEEC" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_GrossProfit_4CC7D1C8ED6D512A5939E9F29A29EEEC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_B8FCDFF0844A5857CC7EE9F29A297708" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_OperatingExpensesAbstract_B8FCDFF0844A5857CC7EE9F29A297708" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_496114BCC843B961EE4AE9F29A29EE9A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_B8FCDFF0844A5857CC7EE9F29A297708" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_496114BCC843B961EE4AE9F29A29EE9A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_E8D5A6DA3C08C79B06A7E9F29A2917D0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_B8FCDFF0844A5857CC7EE9F29A297708" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_E8D5A6DA3C08C79B06A7E9F29A2917D0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_B252BD3F4E3C7422869FE9F29A299598" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_B8FCDFF0844A5857CC7EE9F29A297708" xlink:to="loc_us-gaap_OperatingExpenses_B252BD3F4E3C7422869FE9F29A299598" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_9EC82C34DE523A8609C5E9F29A2A7854" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_OperatingIncomeLoss_9EC82C34DE523A8609C5E9F29A2A7854" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_99E00986CE4439CFFAF7E9F29A2AE194" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_99E00986CE4439CFFAF7E9F29A2AE194" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_B7E83DBE89AF1D5BDDCFE9F29A2AD5A3" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_B7E83DBE89AF1D5BDDCFE9F29A2AD5A3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_CEC9EB7AEFA3EB00EBF2E9F29A2A1E97" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_CEC9EB7AEFA3EB00EBF2E9F29A2A1E97" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_F474A870E5843B0ECD09E9F29A2A8FEE" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_ProfitLoss_F474A870E5843B0ECD09E9F29A2A8FEE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_E2087388599162547992E9F29A2A8F33" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_E2087388599162547992E9F29A2A8F33" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_FBB1E77702BAF9E5F629E9F29A2B6476" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_NetIncomeLoss_FBB1E77702BAF9E5F629E9F29A2B6476" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_FA43523BACDD22A94D62E9F29A2B2E24" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_FA43523BACDD22A94D62E9F29A2B2E24" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_3A10A3C07B043C4811E8E9F29A2B87F6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_FA43523BACDD22A94D62E9F29A2B2E24" xlink:to="loc_us-gaap_EarningsPerShareBasic_3A10A3C07B043C4811E8E9F29A2B87F6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_377FD56A7A4198A54BA4E9F29A2BF13B" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5C4BF1B1332EBB619D32E9F29A27C7A1" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_377FD56A7A4198A54BA4E9F29A2BF13B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_D49439C3AD50AAE97695E9F29A2B928F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_377FD56A7A4198A54BA4E9F29A2BF13B" xlink:to="loc_us-gaap_EarningsPerShareDiluted_D49439C3AD50AAE97695E9F29A2B928F" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/ConsolidatedStatementsOfStockholdersEquityDeficit" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_F560E01FB29AA7227FF5E9F299E693AB" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_E641163F4C10D0787CFFE9F299E31303" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_F560E01FB29AA7227FF5E9F299E693AB" xlink:to="loc_us-gaap_StatementTable_E641163F4C10D0787CFFE9F299E31303" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_C16902D57442DB0C2D25E9F299E36405" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_E641163F4C10D0787CFFE9F299E31303" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_C16902D57442DB0C2D25E9F299E36405" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_7F9063B01A204981A5EBE9F299E43801_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_C16902D57442DB0C2D25E9F299E36405" xlink:to="loc_us-gaap_EquityComponentDomain_7F9063B01A204981A5EBE9F299E43801_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_7F9063B01A204981A5EBE9F299E43801" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_C16902D57442DB0C2D25E9F299E36405" xlink:to="loc_us-gaap_EquityComponentDomain_7F9063B01A204981A5EBE9F299E43801" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember_08C8C1186D0A588274E0E9F299E4C83B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7F9063B01A204981A5EBE9F299E43801" xlink:to="loc_us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember_08C8C1186D0A588274E0E9F299E4C83B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_8EC1419AF06E090C5BD1E9F299E4B483" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7F9063B01A204981A5EBE9F299E43801" xlink:to="loc_us-gaap_TreasuryStockMember_8EC1419AF06E090C5BD1E9F299E4B483" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_C2D3BC0CF14D18DA154DE9F299E42DD4" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7F9063B01A204981A5EBE9F299E43801" xlink:to="loc_us-gaap_RetainedEarningsMember_C2D3BC0CF14D18DA154DE9F299E42DD4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_C012D543A22285B01F9DE9F299E58C0F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7F9063B01A204981A5EBE9F299E43801" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_C012D543A22285B01F9DE9F299E58C0F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ParentMember" xlink:label="loc_us-gaap_ParentMember_854ED2F508E47E81B284E9F299E5559E" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7F9063B01A204981A5EBE9F299E43801" xlink:to="loc_us-gaap_ParentMember_854ED2F508E47E81B284E9F299E5559E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_A21D2E5ED30D4D9BBECBE9F299E5C38A" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7F9063B01A204981A5EBE9F299E43801" xlink:to="loc_us-gaap_NoncontrollingInterestMember_A21D2E5ED30D4D9BBECBE9F299E5C38A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_ED727A24DB2C664A9EAEE9F299E58391" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_E641163F4C10D0787CFFE9F299E31303" xlink:to="loc_us-gaap_StatementClassOfStockAxis_ED727A24DB2C664A9EAEE9F299E58391" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_6BA646648F2ADDA9D9FEE9F299E5E69B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_ED727A24DB2C664A9EAEE9F299E58391" xlink:to="loc_us-gaap_ClassOfStockDomain_6BA646648F2ADDA9D9FEE9F299E5E69B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_6BA646648F2ADDA9D9FEE9F299E5E69B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_ED727A24DB2C664A9EAEE9F299E58391" xlink:to="loc_us-gaap_ClassOfStockDomain_6BA646648F2ADDA9D9FEE9F299E5E69B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DHIGroupMember" xlink:label="loc_dell_DHIGroupMember_DE63B268B26C5BA3461AE9F299E614CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6BA646648F2ADDA9D9FEE9F299E5E69B" xlink:to="loc_dell_DHIGroupMember_DE63B268B26C5BA3461AE9F299E614CC" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassVMember" xlink:label="loc_dell_CommonClassVMember_12F5DC8AF4A844E23924E9F299E6D769" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6BA646648F2ADDA9D9FEE9F299E5E69B" xlink:to="loc_dell_CommonClassVMember_12F5DC8AF4A844E23924E9F299E6D769" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F560E01FB29AA7227FF5E9F299E693AB" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharesIssued" xlink:label="loc_us-gaap_SharesIssued_2B6D7537DD6D3EED3B50E9F299E6CB11" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_SharesIssued_2B6D7537DD6D3EED3B50E9F299E6CB11" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_6DC0EC59A6BBA9A3A7F7E9F299E7F0A3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_6DC0EC59A6BBA9A3A7F7E9F299E7F0A3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption" xlink:label="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_9A7638623C9939E9BC5AE9F299E7F54C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_9A7638623C9939E9BC5AE9F299E7F54C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_C1623419AA4AFE2DB624E9F299E7594A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_ProfitLoss_C1623419AA4AFE2DB624E9F299E7594A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_DE167B3209B2E7461F04E9F299E773F3" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_DE167B3209B2E7461F04E9F299E773F3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_FDB8FD12E8EEE228DD5AE9F299E73C56" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_FDB8FD12E8EEE228DD5AE9F299E73C56" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_A6AF8C7DD758DB0575CAE9F299E84EEA" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_A6AF8C7DD758DB0575CAE9F299E84EEA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_C4D9461CA6F23AABCF35E9F299E8ACB4" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_C4D9461CA6F23AABCF35E9F299E8ACB4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_32032EF1B8A40C1C3390E9F299E8DAE0" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_32032EF1B8A40C1C3390E9F299E8DAE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_D2C24B23320C804D6ADDE9F299E8A3BD" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_D2C24B23320C804D6ADDE9F299E8A3BD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_C48639AD423BA62E42EFE9F299E89D43" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_C48639AD423BA62E42EFE9F299E89D43" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_4733CD8733984BAD3C3EE9F299E81B54" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_4733CD8733984BAD3C3EE9F299E81B54" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_E139099CFCE4D2864807E9F299E992A6" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_E139099CFCE4D2864807E9F299E992A6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_4C2A53E991A85EC4786FE9F299E9216D" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_4C2A53E991A85EC4786FE9F299E9216D" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ReclassificationsOfPermanentToTemporaryEquity" xlink:label="loc_dell_ReclassificationsOfPermanentToTemporaryEquity_FC94EB521317F6B9E50DE9F299E99C50" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_dell_ReclassificationsOfPermanentToTemporaryEquity_FC94EB521317F6B9E50DE9F299E99C50" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_10D580FCA583410C26C6E9F299E98D69" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_10D580FCA583410C26C6E9F299E98D69" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodValue" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_9B747491D5E3C5193C34E9F299E9FE99" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodValue_9B747491D5E3C5193C34E9F299E9FE99" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterestDecreaseFromRedemptions" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_EEA7FB918B506EB1A38BE9F299E90D59" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1F058754103AAA87996CE9F299E68E88" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_EEA7FB918B506EB1A38BE9F299E90D59" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInformationLineItems" xlink:label="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:type="locator" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitiesTable" xlink:label="loc_dei_EntitiesTable_BFE24824B5CB6FE0A299E9F29A60163D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntitiesTable_BFE24824B5CB6FE0A299E9F29A60163D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_9AC35CA6CD7102524728E9F29A607195" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_BFE24824B5CB6FE0A299E9F29A60163D" xlink:to="loc_us-gaap_StatementClassOfStockAxis_9AC35CA6CD7102524728E9F29A607195" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_7C3AD2D92544AAA4FB43E9F29A617834_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_9AC35CA6CD7102524728E9F29A607195" xlink:to="loc_us-gaap_ClassOfStockDomain_7C3AD2D92544AAA4FB43E9F29A617834_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_7C3AD2D92544AAA4FB43E9F29A617834" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_9AC35CA6CD7102524728E9F29A607195" xlink:to="loc_us-gaap_ClassOfStockDomain_7C3AD2D92544AAA4FB43E9F29A617834" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassCMember" xlink:label="loc_us-gaap_CommonClassCMember_876C1DDC4D27F435B017E9F29A617243" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_7C3AD2D92544AAA4FB43E9F29A617834" xlink:to="loc_us-gaap_CommonClassCMember_876C1DDC4D27F435B017E9F29A617243" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="loc_us-gaap_CommonClassAMember_8077462536FE668ED336E9F29A61AC37" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_7C3AD2D92544AAA4FB43E9F29A617834" xlink:to="loc_us-gaap_CommonClassAMember_8077462536FE668ED336E9F29A61AC37" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="loc_us-gaap_CommonClassBMember_534C005FBEBF5373F0EEE9F29A613443" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_7C3AD2D92544AAA4FB43E9F29A617834" xlink:to="loc_us-gaap_CommonClassBMember_534C005FBEBF5373F0EEE9F29A613443" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_750E8487D0EFA7A7ABCCE9F29A62795C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_DocumentType_750E8487D0EFA7A7ABCCE9F29A62795C" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentAnnualReport" xlink:label="loc_dei_DocumentAnnualReport_09385F91B8E565CEA66AE9F29A626634" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_DocumentAnnualReport_09385F91B8E565CEA66AE9F29A626634" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_2E23DA7A90DAAA37FFF8E9F29A624D11" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_DocumentPeriodEndDate_2E23DA7A90DAAA37FFF8E9F29A624D11" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentTransitionReport" xlink:label="loc_dei_DocumentTransitionReport_BE856818581A674A7971E9F29A639ABB" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_DocumentTransitionReport_BE856818581A674A7971E9F29A639ABB" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber" xlink:label="loc_dei_EntityFileNumber_854110DB4D765DD097E6E9F29A63B08A" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityFileNumber_854110DB4D765DD097E6E9F29A63B08A" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_1492C4DA33788C3BD7A6E9F29A636174" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityRegistrantName_1492C4DA33788C3BD7A6E9F29A636174" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="loc_dei_EntityIncorporationStateCountryCode_FE17B610005505662406E9F29A63FE2A" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityIncorporationStateCountryCode_FE17B610005505662406E9F29A63FE2A" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber" xlink:label="loc_dei_EntityTaxIdentificationNumber_16D0492F735AD48BB2F6E9F29A63155B" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityTaxIdentificationNumber_16D0492F735AD48BB2F6E9F29A63155B" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1" xlink:label="loc_dei_EntityAddressAddressLine1_FFB42F6CAF557E136BAFE9F29A64CF31" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityAddressAddressLine1_FFB42F6CAF557E136BAFE9F29A64CF31" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown" xlink:label="loc_dei_EntityAddressCityOrTown_C2B31F9E91B0AAE30986E9F29A641922" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityAddressCityOrTown_C2B31F9E91B0AAE30986E9F29A641922" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince" xlink:label="loc_dei_EntityAddressStateOrProvince_8CDF036762335E69834BE9F29A64D049" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityAddressStateOrProvince_8CDF036762335E69834BE9F29A64D049" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode" xlink:label="loc_dei_EntityAddressPostalZipCode_4D5317EF19E22B350EEAE9F29A64829B" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityAddressPostalZipCode_4D5317EF19E22B350EEAE9F29A64829B" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode" xlink:label="loc_dei_CityAreaCode_855ED9485819B5EEBE3CE9F29A64EC29" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_CityAreaCode_855ED9485819B5EEBE3CE9F29A64EC29" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber" xlink:label="loc_dei_LocalPhoneNumber_2313D42038E07F10B1C5E9F29A6495CB" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_LocalPhoneNumber_2313D42038E07F10B1C5E9F29A6495CB" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle" xlink:label="loc_dei_Security12bTitle_A7D847F2FEAC7CCE94E2E9F29A65883B" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_Security12bTitle_A7D847F2FEAC7CCE94E2E9F29A65883B" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol_4B114349521EF6BA59CBE9F29A65D971" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_TradingSymbol_4B114349521EF6BA59CBE9F29A65D971" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName" xlink:label="loc_dei_SecurityExchangeName_48F365490A5E737BF7C8E9F29A653D42" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_SecurityExchangeName_48F365490A5E737BF7C8E9F29A653D42" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_470851524A3E159B15A7E9F29A65272C" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_470851524A3E159B15A7E9F29A65272C" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_6C0BCD4534306CAF0057E9F29A65AD68" xlink:type="locator" />
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityVoluntaryFilers_6C0BCD4534306CAF0057E9F29A65AD68" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_A1BEED13482AC0C4E98FE9F29A65F13F" xlink:type="locator" />
    <link:definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityCurrentReportingStatus_A1BEED13482AC0C4E98FE9F29A65F13F" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInteractiveDataCurrent" xlink:label="loc_dei_EntityInteractiveDataCurrent_E783DCC8C8561742E679E9F29A667E56" xlink:type="locator" />
    <link:definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityInteractiveDataCurrent_E783DCC8C8561742E679E9F29A667E56" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_48E6D4EC4C45390E1EE9E9F29A66DEB1" xlink:type="locator" />
    <link:definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityFilerCategory_48E6D4EC4C45390E1EE9E9F29A66DEB1" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitySmallBusiness" xlink:label="loc_dei_EntitySmallBusiness_565EC45500E67D99C802E9F29A661A96" xlink:type="locator" />
    <link:definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntitySmallBusiness_565EC45500E67D99C802E9F29A661A96" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:label="loc_dei_EntityEmergingGrowthCompany_E84048F44F38C5B1CAAAE9F29A66756F" xlink:type="locator" />
    <link:definitionArc order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityEmergingGrowthCompany_E84048F44F38C5B1CAAAE9F29A66756F" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityShellCompany" xlink:label="loc_dei_EntityShellCompany_8DE90FD7C9966D5A1AB7E9F29A660F85" xlink:type="locator" />
    <link:definitionArc order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityShellCompany_8DE90FD7C9966D5A1AB7E9F29A660F85" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat_2EAED5A50B15D39C55C9E9F29A66BFCC" xlink:type="locator" />
    <link:definitionArc order="26" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityPublicFloat_2EAED5A50B15D39C55C9E9F29A66BFCC" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_EE7A1E36FA06BCEBA144E9F29A674344" xlink:type="locator" />
    <link:definitionArc order="27" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_EE7A1E36FA06BCEBA144E9F29A674344" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentsIncorporatedByReferenceTextBlock" xlink:label="loc_dei_DocumentsIncorporatedByReferenceTextBlock_84C2E3E1D24B23426DFEE9F29A677921" xlink:type="locator" />
    <link:definitionArc order="28" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_DocumentsIncorporatedByReferenceTextBlock_84C2E3E1D24B23426DFEE9F29A677921" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_CD5AFC189049FAA2F069E9F29A67A448" xlink:type="locator" />
    <link:definitionArc order="29" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_EntityCentralIndexKey_CD5AFC189049FAA2F069E9F29A67A448" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_40E7FB2DA68838CCB412E9F29A679169" xlink:type="locator" />
    <link:definitionArc order="30" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_CurrentFiscalYearEndDate_40E7FB2DA68838CCB412E9F29A679169" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_918A2DDDE448FAC5809BE9F29A675943" xlink:type="locator" />
    <link:definitionArc order="31" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_DocumentFiscalYearFocus_918A2DDDE448FAC5809BE9F29A675943" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_1DBBC2586310BC4305D1E9F29A675B5C" xlink:type="locator" />
    <link:definitionArc order="32" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_DocumentFiscalPeriodFocus_1DBBC2586310BC4305D1E9F29A675B5C" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_F8A5BE1482D1CFD48F35E9F29A68E8A8" xlink:type="locator" />
    <link:definitionArc order="33" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_59FEDB1F8C46497C23E9E9F29A6249B5" xlink:to="loc_dei_AmendmentFlag_F8A5BE1482D1CFD48F35E9F29A68E8A8" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/Debt" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/DebtAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_F0399E945A5F3FFECA8A12A368C948CA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_DebtInstrumentTable_F0399E945A5F3FFECA8A12A368C948CA" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_17A9516E885DBF87D5C912A368C99A5F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F0399E945A5F3FFECA8A12A368C948CA" xlink:to="loc_srt_RangeAxis_17A9516E885DBF87D5C912A368C99A5F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_9191EBE2806CBA5EC09E12A368C9C89E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_17A9516E885DBF87D5C912A368C99A5F" xlink:to="loc_srt_RangeMember_9191EBE2806CBA5EC09E12A368C9C89E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_9191EBE2806CBA5EC09E12A368C9C89E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_17A9516E885DBF87D5C912A368C99A5F" xlink:to="loc_srt_RangeMember_9191EBE2806CBA5EC09E12A368C9C89E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_1268B402184027FFFAF812A368CA5FE4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_9191EBE2806CBA5EC09E12A368C9C89E" xlink:to="loc_srt_MinimumMember_1268B402184027FFFAF812A368CA5FE4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_51C62A285A5D382B3EF512A368CA4A16" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_9191EBE2806CBA5EC09E12A368C9C89E" xlink:to="loc_srt_MaximumMember_51C62A285A5D382B3EF512A368CA4A16" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CounterpartyNameAxis" xlink:label="loc_srt_CounterpartyNameAxis_5E6D4A547F42954D9E4812A368CAB7C4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F0399E945A5F3FFECA8A12A368C948CA" xlink:to="loc_srt_CounterpartyNameAxis_5E6D4A547F42954D9E4812A368CAB7C4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_F08494FE9995AD0B8C6212A368CA1394_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_5E6D4A547F42954D9E4812A368CAB7C4" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_F08494FE9995AD0B8C6212A368CA1394_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_F08494FE9995AD0B8C6212A368CA1394" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_5E6D4A547F42954D9E4812A368CAB7C4" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_F08494FE9995AD0B8C6212A368CA1394" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ThirdPartyMember" xlink:label="loc_dell_ThirdPartyMember_92C001C3ECB68A6A544512A368CBB8E2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_F08494FE9995AD0B8C6212A368CA1394" xlink:to="loc_dell_ThirdPartyMember_92C001C3ECB68A6A544512A368CBB8E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_6D2BFBF10B31C96F43A012A368CB5321" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F0399E945A5F3FFECA8A12A368C948CA" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_6D2BFBF10B31C96F43A012A368CB5321" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_FC6042F3BF07CF3DE0AD12A368CBE263_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_6D2BFBF10B31C96F43A012A368CB5321" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_FC6042F3BF07CF3DE0AD12A368CBE263_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_FC6042F3BF07CF3DE0AD12A368CBE263" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_6D2BFBF10B31C96F43A012A368CB5321" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_FC6042F3BF07CF3DE0AD12A368CBE263" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_MergerAgreementMember" xlink:label="loc_dell_MergerAgreementMember_D6E09F1D68F667A9040F12A368CBD02B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_FC6042F3BF07CF3DE0AD12A368CBE263" xlink:to="loc_dell_MergerAgreementMember_D6E09F1D68F667A9040F12A368CBD02B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtCovenantPeriodAxis" xlink:label="loc_dell_DebtCovenantPeriodAxis_57A03C55D1ACD6722DF512A368CCBC1F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F0399E945A5F3FFECA8A12A368C948CA" xlink:to="loc_dell_DebtCovenantPeriodAxis_57A03C55D1ACD6722DF512A368CCBC1F" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtCovenantPeriodDomain" xlink:label="loc_dell_DebtCovenantPeriodDomain_2EFE1EE9298E81C1E3F412A368CC1977_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dell_DebtCovenantPeriodAxis_57A03C55D1ACD6722DF512A368CCBC1F" xlink:to="loc_dell_DebtCovenantPeriodDomain_2EFE1EE9298E81C1E3F412A368CC1977_default" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtCovenantPeriodDomain" xlink:label="loc_dell_DebtCovenantPeriodDomain_2EFE1EE9298E81C1E3F412A368CC1977" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dell_DebtCovenantPeriodAxis_57A03C55D1ACD6722DF512A368CCBC1F" xlink:to="loc_dell_DebtCovenantPeriodDomain_2EFE1EE9298E81C1E3F412A368CC1977" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FirstFourYearsAfterDecember202018Member" xlink:label="loc_dell_FirstFourYearsAfterDecember202018Member_088378E95C96303019D712A368CCF7F6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_DebtCovenantPeriodDomain_2EFE1EE9298E81C1E3F412A368CC1977" xlink:to="loc_dell_FirstFourYearsAfterDecember202018Member_088378E95C96303019D712A368CCF7F6" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FifthYearAfterDecember202018Member" xlink:label="loc_dell_FifthYearAfterDecember202018Member_B46A6E016894E01DE47512A368CC7AA6" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_DebtCovenantPeriodDomain_2EFE1EE9298E81C1E3F412A368CC1977" xlink:to="loc_dell_FifthYearAfterDecember202018Member_B46A6E016894E01DE47512A368CC7AA6" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FirstFourYearsAfterMarch132019Member" xlink:label="loc_dell_FirstFourYearsAfterMarch132019Member_1C237B7C7B78B0D3676B12A368CCB1A8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_DebtCovenantPeriodDomain_2EFE1EE9298E81C1E3F412A368CC1977" xlink:to="loc_dell_FirstFourYearsAfterMarch132019Member_1C237B7C7B78B0D3676B12A368CCB1A8" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FifthYearAfterMarch132019Member" xlink:label="loc_dell_FifthYearAfterMarch132019Member_6F628D08F678927AAE5112A368CDE0B4" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_DebtCovenantPeriodDomain_2EFE1EE9298E81C1E3F412A368CC1977" xlink:to="loc_dell_FifthYearAfterMarch132019Member_6F628D08F678927AAE5112A368CDE0B4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_CA7DA93E01A4F981188E12A368CD4AF7" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F0399E945A5F3FFECA8A12A368C948CA" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_CA7DA93E01A4F981188E12A368CD4AF7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_88D3F4A547AE25F00E7F12A368CD55FD_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_CA7DA93E01A4F981188E12A368CD4AF7" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_88D3F4A547AE25F00E7F12A368CD55FD_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_88D3F4A547AE25F00E7F12A368CD55FD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_CA7DA93E01A4F981188E12A368CD4AF7" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_88D3F4A547AE25F00E7F12A368CD55FD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_4343664F408F22B1247C12A368CD58D3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_88D3F4A547AE25F00E7F12A368CD55FD" xlink:to="loc_us-gaap_UnsecuredDebtMember_4343664F408F22B1247C12A368CD58D3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_38D69E623430C6A5F49412A368CD8320" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_88D3F4A547AE25F00E7F12A368CD55FD" xlink:to="loc_us-gaap_SecuredDebtMember_38D69E623430C6A5F49412A368CD8320" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_B37EDFC163E98193645312A368CE6154" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_88D3F4A547AE25F00E7F12A368CD55FD" xlink:to="loc_us-gaap_LineOfCreditMember_B37EDFC163E98193645312A368CE6154" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:label="loc_us-gaap_LetterOfCreditMember_32E29B31878C2573D64B12A368CECDDA" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_88D3F4A547AE25F00E7F12A368CD55FD" xlink:to="loc_us-gaap_LetterOfCreditMember_32E29B31878C2573D64B12A368CECDDA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BridgeLoanMember" xlink:label="loc_us-gaap_BridgeLoanMember_0F2CFED2FFB95C4836A012A368CEE3D4" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_88D3F4A547AE25F00E7F12A368CD55FD" xlink:to="loc_us-gaap_BridgeLoanMember_0F2CFED2FFB95C4836A012A368CEE3D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherDebtSecuritiesMember" xlink:label="loc_us-gaap_OtherDebtSecuritiesMember_E95EE1306B8F7C24CC4C12A368CEC5CC" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_88D3F4A547AE25F00E7F12A368CD55FD" xlink:to="loc_us-gaap_OtherDebtSecuritiesMember_E95EE1306B8F7C24CC4C12A368CEC5CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_1C20772D7A31337B14FA12A368CE2033" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_88D3F4A547AE25F00E7F12A368CD55FD" xlink:to="loc_us-gaap_SeniorNotesMember_1C20772D7A31337B14FA12A368CE2033" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_8B73EF7625D304AFB46F12A368CE3EAB" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F0399E945A5F3FFECA8A12A368C948CA" xlink:to="loc_us-gaap_DebtInstrumentAxis_8B73EF7625D304AFB46F12A368CE3EAB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_8B73EF7625D304AFB46F12A368CE3EAB" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_8B73EF7625D304AFB46F12A368CE3EAB" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A4.90FirstLienNotesDue2026Member" xlink:label="loc_dell_A4.90FirstLienNotesDue2026Member_9B25D79C722CE8A05BBF12A368CF7383" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_A4.90FirstLienNotesDue2026Member_9B25D79C722CE8A05BBF12A368CF7383" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A5.875DueJune152021NotesMember" xlink:label="loc_dell_A5.875DueJune152021NotesMember_27390C398337F317462A12A368CF5A71" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_A5.875DueJune152021NotesMember_27390C398337F317462A12A368CF5A71" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A5.875dueJune2019Member" xlink:label="loc_dell_A5.875dueJune2019Member_2DCE82A499AAD172895E12A368CF1B28" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_A5.875dueJune2019Member_2DCE82A499AAD172895E12A368CF1B28" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A5.65DueApril2018NotesMember" xlink:label="loc_dell_A5.65DueApril2018NotesMember_60DF31D7057CD120C50712A368D0B8FC" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_A5.65DueApril2018NotesMember_60DF31D7057CD120C50712A368D0B8FC" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanFacilitiesMember" xlink:label="loc_dell_TermLoanFacilitiesMember_467E83A38B40A0F2729F12A368D01FFE" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_TermLoanFacilitiesMember_467E83A38B40A0F2729F12A368D01FFE" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanA4FacilityDueDecember2023Member" xlink:label="loc_dell_TermLoanA4FacilityDueDecember2023Member_2F985D20D2BC4A3FDD3012A368D047D3" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_TermLoanA4FacilityDueDecember2023Member_2F985D20D2BC4A3FDD3012A368D047D3" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanA6FacilityMember" xlink:label="loc_dell_TermLoanA6FacilityMember_592F4D7882686871A63312A368D0B0D7" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_TermLoanA6FacilityMember_592F4D7882686871A63312A368D0B0D7" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanA5FacilityDueDecember2019Member" xlink:label="loc_dell_TermLoanA5FacilityDueDecember2019Member_5739B3D5B19251965F9512A368D1605A" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_TermLoanA5FacilityDueDecember2019Member_5739B3D5B19251965F9512A368D1605A" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A3.79TermLoanB1FacilityDueSeptember2025Member" xlink:label="loc_dell_A3.79TermLoanB1FacilityDueSeptember2025Member_878AD7BB4C227BB72F6312A368D18EC7" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_A3.79TermLoanB1FacilityDueSeptember2025Member_878AD7BB4C227BB72F6312A368D18EC7" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_StructuredFinancingDebtMember" xlink:label="loc_dell_StructuredFinancingDebtMember_5408F2467C650543AFF012A368D1A2F0" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_StructuredFinancingDebtMember_5408F2467C650543AFF012A368D1A2F0" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SeniorSecuredCreditFacilitiesMember" xlink:label="loc_dell_SeniorSecuredCreditFacilitiesMember_190F994EEA5E19F7464612A368D1B8A6" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_SeniorSecuredCreditFacilitiesMember_190F994EEA5E19F7464612A368D1B8A6" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_RevolvingCreditFacilityDueSeptember2021Member" xlink:label="loc_dell_RevolvingCreditFacilityDueSeptember2021Member_EEB3CA744248A31932C812A368D1CE96" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_RevolvingCreditFacilityDueSeptember2021Member_EEB3CA744248A31932C812A368D1CE96" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanB1FacilityMember" xlink:label="loc_dell_TermLoanB1FacilityMember_1CF1DEAB7EC0690465CF12A368D21B2C" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_TermLoanB1FacilityMember_1CF1DEAB7EC0690465CF12A368D21B2C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanA4FacilityAndTermLoanA6FacilityMember" xlink:label="loc_dell_TermLoanA4FacilityAndTermLoanA6FacilityMember_5F2801C785FB507E219B12A368D2AA1D" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_TermLoanA4FacilityAndTermLoanA6FacilityMember_5F2801C785FB507E219B12A368D2AA1D" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanBFacilityDueSeptember2023Member" xlink:label="loc_dell_TermLoanBFacilityDueSeptember2023Member_CD20DFB0DB6EBB08F67F12A368D2DFAD" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_TermLoanBFacilityDueSeptember2023Member_CD20DFB0DB6EBB08F67F12A368D2DFAD" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanA2FacilityMember" xlink:label="loc_dell_TermLoanA2FacilityMember_7B8F13009E1AEC0EC9E512A368D268CD" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_TermLoanA2FacilityMember_7B8F13009E1AEC0EC9E512A368D268CD" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A4.00FirstLienNotesDue2024Member" xlink:label="loc_dell_A4.00FirstLienNotesDue2024Member_E9B0BF8739E3D6EBC67712A368D26501" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_A4.00FirstLienNotesDue2024Member_E9B0BF8739E3D6EBC67712A368D26501" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanA2FacilityDueSeptember2021Member" xlink:label="loc_dell_TermLoanA2FacilityDueSeptember2021Member_EA9D0315547EE480DD9A12A368D3B4C1" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_TermLoanA2FacilityDueSeptember2021Member_EA9D0315547EE480DD9A12A368D3B4C1" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ChinaRevolvingCreditFacilityMember" xlink:label="loc_dell_ChinaRevolvingCreditFacilityMember_543AA33C70E3C76145C612A368D3ADEE" xlink:type="locator" />
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_ChinaRevolvingCreditFacilityMember_543AA33C70E3C76145C612A368D3ADEE" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A1.875DueJune2018Member" xlink:label="loc_dell_A1.875DueJune2018Member_A98856A400545BB89C5112A368D3FFE1" xlink:type="locator" />
    <link:definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_A1.875DueJune2018Member_A98856A400545BB89C5112A368D3FFE1" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A2.650DueJune2020Member" xlink:label="loc_dell_A2.650DueJune2020Member_7DFE54E64160BAB8186512A368D34A23" xlink:type="locator" />
    <link:definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_A2.650DueJune2020Member_7DFE54E64160BAB8186512A368D34A23" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A3.375DueJune2023Member" xlink:label="loc_dell_A3.375DueJune2023Member_3FD77FA439772007A2B012A368D37B98" xlink:type="locator" />
    <link:definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_A3.375DueJune2023Member_3FD77FA439772007A2B012A368D37B98" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SeniorNotesDue2020Member" xlink:label="loc_dell_SeniorNotesDue2020Member_585C039ED61F3F8E48D212A368D4C0F3" xlink:type="locator" />
    <link:definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_SeniorNotesDue2020Member_585C039ED61F3F8E48D212A368D4C0F3" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SeniorNotesDue2022Member" xlink:label="loc_dell_SeniorNotesDue2022Member_BBBBA50221744E56219012A368D46939" xlink:type="locator" />
    <link:definitionArc order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_SeniorNotesDue2022Member_BBBBA50221744E56219012A368D46939" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SeniorNotesDue2027Member" xlink:label="loc_dell_SeniorNotesDue2027Member_65D130166599F76C27FA12A368D48AE9" xlink:type="locator" />
    <link:definitionArc order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_SeniorNotesDue2027Member_65D130166599F76C27FA12A368D48AE9" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareRevolvingCreditFacilityMember" xlink:label="loc_dell_VMwareRevolvingCreditFacilityMember_2CC0482B6BE28CF087EA12A368D45E4B" xlink:type="locator" />
    <link:definitionArc order="26" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_VMwareRevolvingCreditFacilityMember_2CC0482B6BE28CF087EA12A368D45E4B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareTermLoanFacilityMember" xlink:label="loc_dell_VMwareTermLoanFacilityMember_D6693AE34E6B4120D24212A368D4BA86" xlink:type="locator" />
    <link:definitionArc order="27" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_VMwareTermLoanFacilityMember_D6693AE34E6B4120D24212A368D4BA86" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_MarginLoanFacilityIssued2017DueApril2022Member" xlink:label="loc_dell_MarginLoanFacilityIssued2017DueApril2022Member_E0C20264ECE402C95C4612A368D45444" xlink:type="locator" />
    <link:definitionArc order="28" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_MarginLoanFacilityIssued2017DueApril2022Member_E0C20264ECE402C95C4612A368D45444" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanA6FacilityDueMarch2024Member" xlink:label="loc_dell_TermLoanA6FacilityDueMarch2024Member_B9D998D6E31A181683E112A368D54502" xlink:type="locator" />
    <link:definitionArc order="29" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_TermLoanA6FacilityDueMarch2024Member_B9D998D6E31A181683E112A368D54502" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_PivotalRevolvingCreditFacilityMember" xlink:label="loc_dell_PivotalRevolvingCreditFacilityMember_0EDEC1A7F04EB3426C9312A368D569F6" xlink:type="locator" />
    <link:definitionArc order="30" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_PivotalRevolvingCreditFacilityMember_0EDEC1A7F04EB3426C9312A368D569F6" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A5.30FirstLienNotesDue2029Member" xlink:label="loc_dell_A5.30FirstLienNotesDue2029Member_913BBEE0CED7089A10D712A368D53F28" xlink:type="locator" />
    <link:definitionArc order="31" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_A5.30FirstLienNotesDue2029Member_913BBEE0CED7089A10D712A368D53F28" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A3.48DueJune12019NotesMember" xlink:label="loc_dell_A3.48DueJune12019NotesMember_3FBE21A46B9AF9AC3C9B12A368D5E463" xlink:type="locator" />
    <link:definitionArc order="32" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3AF5A003E8602E3BC5EA12A368CFE13B" xlink:to="loc_dell_A3.48DueJune12019NotesMember_3FBE21A46B9AF9AC3C9B12A368D5E463" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_AF305FB8333309C3994312A368D5BB01" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F0399E945A5F3FFECA8A12A368C948CA" xlink:to="loc_us-gaap_VariableRateAxis_AF305FB8333309C3994312A368D5BB01" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_AA82C7310C46F719365612A368D61A0F_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_AF305FB8333309C3994312A368D5BB01" xlink:to="loc_us-gaap_VariableRateDomain_AA82C7310C46F719365612A368D61A0F_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_AA82C7310C46F719365612A368D61A0F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_AF305FB8333309C3994312A368D5BB01" xlink:to="loc_us-gaap_VariableRateDomain_AA82C7310C46F719365612A368D61A0F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BaseRateMember" xlink:label="loc_us-gaap_BaseRateMember_8192C4E7A636C91636C512A368D6577E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_AA82C7310C46F719365612A368D61A0F" xlink:to="loc_us-gaap_BaseRateMember_8192C4E7A636C91636C512A368D6577E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_1629C20BA03E413FDB1E12A368D6B759" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_AA82C7310C46F719365612A368D61A0F" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_1629C20BA03E413FDB1E12A368D6B759" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_812EDC70B497BEA8B45A12A368D631E0" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F0399E945A5F3FFECA8A12A368C948CA" xlink:to="loc_us-gaap_CreditFacilityAxis_812EDC70B497BEA8B45A12A368D631E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_DC6F19149D41E68B521B12A368D67629_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_812EDC70B497BEA8B45A12A368D631E0" xlink:to="loc_us-gaap_CreditFacilityDomain_DC6F19149D41E68B521B12A368D67629_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_DC6F19149D41E68B521B12A368D67629" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_812EDC70B497BEA8B45A12A368D631E0" xlink:to="loc_us-gaap_CreditFacilityDomain_DC6F19149D41E68B521B12A368D67629" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_1C47249A5DA8CB111EBE12A368D79450" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_DC6F19149D41E68B521B12A368D67629" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_1C47249A5DA8CB111EBE12A368D79450" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_E23F0B1D99650495E49412A368D7351F" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F0399E945A5F3FFECA8A12A368C948CA" xlink:to="loc_us-gaap_StatementClassOfStockAxis_E23F0B1D99650495E49412A368D7351F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_72CC647D3659F62655A312A368D7471F_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_E23F0B1D99650495E49412A368D7351F" xlink:to="loc_us-gaap_ClassOfStockDomain_72CC647D3659F62655A312A368D7471F_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_72CC647D3659F62655A312A368D7471F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_E23F0B1D99650495E49412A368D7351F" xlink:to="loc_us-gaap_ClassOfStockDomain_72CC647D3659F62655A312A368D7471F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="loc_us-gaap_CommonClassBMember_AB89B5A08003C4678EA712A368D75916" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_72CC647D3659F62655A312A368D7471F" xlink:to="loc_us-gaap_CommonClassBMember_AB89B5A08003C4678EA712A368D75916" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="loc_us-gaap_CommonClassAMember_E2A7F2D3EB2ECFB6497312A368D8EFDC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_72CC647D3659F62655A312A368D7471F" xlink:to="loc_us-gaap_CommonClassAMember_E2A7F2D3EB2ECFB6497312A368D8EFDC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_C6CA8424485810ACBBE612A368D89465" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F0399E945A5F3FFECA8A12A368C948CA" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_C6CA8424485810ACBBE612A368D89465" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_A3C91291AB5C4B41C09E12A368D849B7_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_C6CA8424485810ACBBE612A368D89465" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_A3C91291AB5C4B41C09E12A368D849B7_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_A3C91291AB5C4B41C09E12A368D849B7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_C6CA8424485810ACBBE612A368D89465" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_A3C91291AB5C4B41C09E12A368D849B7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_3F761BC41316938A1AB512A368D8726C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_A3C91291AB5C4B41C09E12A368D849B7" xlink:to="loc_us-gaap_SubsequentEventMember_3F761BC41316938A1AB512A368D8726C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_DE0171FFD1C3BD0D29E912A368D9CDBB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_DE0171FFD1C3BD0D29E912A368D9CDBB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredFinanceCostsGross" xlink:label="loc_us-gaap_DeferredFinanceCostsGross_937E0102BD3C0991202812A368D90C17" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_DeferredFinanceCostsGross_937E0102BD3C0991202812A368D90C17" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_226BDB2D632BC0A1734412A368D91192" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_226BDB2D632BC0A1734412A368D91192" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_C0C3131D0A7A3841D59212A368D960CB" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_C0C3131D0A7A3841D59212A368D960CB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfDebt_BBC17B494B608E2C437A12A368D9FD95" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfDebt_BBC17B494B608E2C437A12A368D9FD95" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_9D0AADDAB3C7434D57BC12A368DAD9F4" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_9D0AADDAB3C7434D57BC12A368DAD9F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_93FA983A427275F331CD12A368DAD8DA" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_93FA983A427275F331CD12A368DAD8DA" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LineOfCreditFacilityAdditionalBorrowingCapacity" xlink:label="loc_dell_LineOfCreditFacilityAdditionalBorrowingCapacity_B2FF1E346D8EF3B4AC0A12A368DA8DE2" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_dell_LineOfCreditFacilityAdditionalBorrowingCapacity_B2FF1E346D8EF3B4AC0A12A368DA8DE2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_2B1EC15927EAC4883A7412A368DA702D" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_2B1EC15927EAC4883A7412A368DA702D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_E94BDFF00ACE18EF0FD212A368DACDA0" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_E94BDFF00ACE18EF0FD212A368DACDA0" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LineofCreditFacilityPeriodicPaymentPrincipalPercentofOriginalPrincipalBalance" xlink:label="loc_dell_LineofCreditFacilityPeriodicPaymentPrincipalPercentofOriginalPrincipalBalance_DB23197EACDBF47064EA12A368DA6921" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_dell_LineofCreditFacilityPeriodicPaymentPrincipalPercentofOriginalPrincipalBalance_DB23197EACDBF47064EA12A368DA6921" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtInstrumentCollateralPercentofCapitalStock" xlink:label="loc_dell_DebtInstrumentCollateralPercentofCapitalStock_8B45A51C34CDAA92480F12A368DBB361" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_dell_DebtInstrumentCollateralPercentofCapitalStock_8B45A51C34CDAA92480F12A368DBB361" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_0F793762FE82F61CA01A12A368DB7234" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_0F793762FE82F61CA01A12A368DB7234" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtInstrumentMaximumPeriodforRegistration" xlink:label="loc_dell_DebtInstrumentMaximumPeriodforRegistration_D5CA5EB203AE5F150AD412A368DB30B1" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_dell_DebtInstrumentMaximumPeriodforRegistration_D5CA5EB203AE5F150AD412A368DB30B1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_977812EF6E9B45C9E77612A368DB3A0F" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_977812EF6E9B45C9E77612A368DB3A0F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_E1356116AC6F5A1DDDE312A368DB15CE" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_E1356116AC6F5A1DDDE312A368DB15CE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_FD02BDACCD669EE7BDA712A368DB0DA5" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_FD02BDACCD669EE7BDA712A368DB0DA5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_03FC200D8F65AB7F9E7212A368DC7330" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_03FC200D8F65AB7F9E7212A368DC7330" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="loc_us-gaap_DebtInstrumentTerm_E2C2177BB32063C0D55512A368DCABC4" xlink:type="locator" />
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_DebtInstrumentTerm_E2C2177BB32063C0D55512A368DCABC4" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtInstrumentTermNumberofExtensionPeriods" xlink:label="loc_dell_DebtInstrumentTermNumberofExtensionPeriods_6B6EC70803CD8BD087FB12A368DC859E" xlink:type="locator" />
    <link:definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_dell_DebtInstrumentTermNumberofExtensionPeriods_6B6EC70803CD8BD087FB12A368DC859E" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtInstrumentTermExtensionOption" xlink:label="loc_dell_DebtInstrumentTermExtensionOption_37803ADD33B3D94A18A612A368DCF1FC" xlink:type="locator" />
    <link:definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_dell_DebtInstrumentTermExtensionOption_37803ADD33B3D94A18A612A368DCF1FC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_75F023C33F84FDBCED3812A368DC99D5" xlink:type="locator" />
    <link:definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_us-gaap_LineOfCredit_75F023C33F84FDBCED3812A368DC99D5" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtInstrumentCollateralAmountShares" xlink:label="loc_dell_DebtInstrumentCollateralAmountShares_0E571E5AD00A4C94810112A368DCC50E" xlink:type="locator" />
    <link:definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_98AEE4D71BABDB139BE912A368D90321" xlink:to="loc_dell_DebtInstrumentCollateralAmountShares_0E571E5AD00A4C94810112A368DCC50E" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/DebtAggregateFutureMaturitiesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_A8923527D466D4D5A507F82DC86FCCEC" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_C04FE273146712A7BB7AF82DC86DA563" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A8923527D466D4D5A507F82DC86FCCEC" xlink:to="loc_us-gaap_DebtInstrumentTable_C04FE273146712A7BB7AF82DC86DA563" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_3B13F994F0ADD94AB35FF82DC86D1157" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_C04FE273146712A7BB7AF82DC86DA563" xlink:to="loc_us-gaap_DebtInstrumentAxis_3B13F994F0ADD94AB35FF82DC86D1157" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_0F76D866DF58E96E2098F82DC86DF536_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_3B13F994F0ADD94AB35FF82DC86D1157" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_0F76D866DF58E96E2098F82DC86DF536_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_0F76D866DF58E96E2098F82DC86DF536" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_3B13F994F0ADD94AB35FF82DC86D1157" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_0F76D866DF58E96E2098F82DC86DF536" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanFacilitiesSeniorFirstLienNotesAndFirstLienNotesMember" xlink:label="loc_dell_TermLoanFacilitiesSeniorFirstLienNotesAndFirstLienNotesMember_73B109804A3FD43E6190F82DC86D63B8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0F76D866DF58E96E2098F82DC86DF536" xlink:to="loc_dell_TermLoanFacilitiesSeniorFirstLienNotesAndFirstLienNotesMember_73B109804A3FD43E6190F82DC86D63B8" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_UnsecuredNotesandDebenturesMember" xlink:label="loc_dell_UnsecuredNotesandDebenturesMember_AE56D6EA5D8943397216F82DC86E7AFF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0F76D866DF58E96E2098F82DC86DF536" xlink:to="loc_dell_UnsecuredNotesandDebenturesMember_AE56D6EA5D8943397216F82DC86E7AFF" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SeniorNotesandEMCNotesMember" xlink:label="loc_dell_SeniorNotesandEMCNotesMember_96D893138C2D5E3FE505F82DC86EB7D6" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0F76D866DF58E96E2098F82DC86DF536" xlink:to="loc_dell_SeniorNotesandEMCNotesMember_96D893138C2D5E3FE505F82DC86EB7D6" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareNotesMember" xlink:label="loc_dell_VMwareNotesMember_B44EFC4821625B291AEBF82DC86E6988" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0F76D866DF58E96E2098F82DC86DF536" xlink:to="loc_dell_VMwareNotesMember_B44EFC4821625B291AEBF82DC86E6988" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_StructuredFinancingDebtMember" xlink:label="loc_dell_StructuredFinancingDebtMember_F070BC6781B974792CD8F82DC86E5E2F" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0F76D866DF58E96E2098F82DC86DF536" xlink:to="loc_dell_StructuredFinancingDebtMember_F070BC6781B974792CD8F82DC86E5E2F" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_MarginLoanFacilityIssued2017DueApril2022Member" xlink:label="loc_dell_MarginLoanFacilityIssued2017DueApril2022Member_45CB65BFE3BF322A3FE7F82DC86ED46A" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0F76D866DF58E96E2098F82DC86DF536" xlink:to="loc_dell_MarginLoanFacilityIssued2017DueApril2022Member_45CB65BFE3BF322A3FE7F82DC86ED46A" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_OtherDebtMember" xlink:label="loc_dell_OtherDebtMember_A8EB6EADEA03BF2DE7BDF82DC86FE04C" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0F76D866DF58E96E2098F82DC86DF536" xlink:to="loc_dell_OtherDebtMember_A8EB6EADEA03BF2DE7BDF82DC86FE04C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MaturitiesOfLongTermDebtAbstract" xlink:label="loc_us-gaap_MaturitiesOfLongTermDebtAbstract_BF89CB970E3F4D9CFCD9F82DC86F86B4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A8923527D466D4D5A507F82DC86FCCEC" xlink:to="loc_us-gaap_MaturitiesOfLongTermDebtAbstract_BF89CB970E3F4D9CFCD9F82DC86F86B4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_0A8F01084BBB1836EA35F82DC86FFBF8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MaturitiesOfLongTermDebtAbstract_BF89CB970E3F4D9CFCD9F82DC86F86B4" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_0A8F01084BBB1836EA35F82DC86FFBF8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_AF026921EA2B5BC1BEF9F82DC870B510" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MaturitiesOfLongTermDebtAbstract_BF89CB970E3F4D9CFCD9F82DC86F86B4" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_AF026921EA2B5BC1BEF9F82DC870B510" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_83461130558A638CB4E5F82DC870B18C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MaturitiesOfLongTermDebtAbstract_BF89CB970E3F4D9CFCD9F82DC86F86B4" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_83461130558A638CB4E5F82DC870B18C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_10482EB6B0E168B57DDEF82DC87038A9" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MaturitiesOfLongTermDebtAbstract_BF89CB970E3F4D9CFCD9F82DC86F86B4" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_10482EB6B0E168B57DDEF82DC87038A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_52D0AEC70A6AFE2780E7F82DC8707858" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MaturitiesOfLongTermDebtAbstract_BF89CB970E3F4D9CFCD9F82DC86F86B4" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_52D0AEC70A6AFE2780E7F82DC8707858" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_3A1CF5F45C24AAE4B426F82DC87036E4" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MaturitiesOfLongTermDebtAbstract_BF89CB970E3F4D9CFCD9F82DC86F86B4" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_3A1CF5F45C24AAE4B426F82DC87036E4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_2A9C08D0EA0511588777F82DC871F92D" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MaturitiesOfLongTermDebtAbstract_BF89CB970E3F4D9CFCD9F82DC86F86B4" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_2A9C08D0EA0511588777F82DC871F92D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredFinanceCostsNetAbstract" xlink:label="loc_us-gaap_DeferredFinanceCostsNetAbstract_7FF75CB4491228B5AA07F82DC871E300" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A8923527D466D4D5A507F82DC86FCCEC" xlink:to="loc_us-gaap_DeferredFinanceCostsNetAbstract_7FF75CB4491228B5AA07F82DC871E300" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetNextTwelveMonths" xlink:label="loc_dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetNextTwelveMonths_3C8ED34DEA8B228D4E31F82DC871A9E4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredFinanceCostsNetAbstract_7FF75CB4491228B5AA07F82DC871E300" xlink:to="loc_dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetNextTwelveMonths_3C8ED34DEA8B228D4E31F82DC871A9E4" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetYearTwo" xlink:label="loc_dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetYearTwo_E36956B39E14F0F744EAF82DC8719A59" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredFinanceCostsNetAbstract_7FF75CB4491228B5AA07F82DC871E300" xlink:to="loc_dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetYearTwo_E36956B39E14F0F744EAF82DC8719A59" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetYearThree" xlink:label="loc_dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetYearThree_0AEE5137A514684BBCF5F82DC871927C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredFinanceCostsNetAbstract_7FF75CB4491228B5AA07F82DC871E300" xlink:to="loc_dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetYearThree_0AEE5137A514684BBCF5F82DC871927C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetYearFour" xlink:label="loc_dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetYearFour_9163CAC73BDF556234F1F82DC8718649" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredFinanceCostsNetAbstract_7FF75CB4491228B5AA07F82DC871E300" xlink:to="loc_dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetYearFour_9163CAC73BDF556234F1F82DC8718649" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetYearFive" xlink:label="loc_dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetYearFive_DDD4EC21F2B99089CDF1F82DC8722F49" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredFinanceCostsNetAbstract_7FF75CB4491228B5AA07F82DC871E300" xlink:to="loc_dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetYearFive_DDD4EC21F2B99089CDF1F82DC8722F49" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetAfterYearFive" xlink:label="loc_dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetAfterYearFive_FB2492ED241149A8F745F82DC872513C" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredFinanceCostsNetAbstract_7FF75CB4491228B5AA07F82DC871E300" xlink:to="loc_dell_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetAfterYearFive_FB2492ED241149A8F745F82DC872513C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_80A2BC1D2A894D3FA1C1F82DC8720AA9" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredFinanceCostsNetAbstract_7FF75CB4491228B5AA07F82DC871E300" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_80A2BC1D2A894D3FA1C1F82DC8720AA9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtByMaturityAbstract" xlink:label="loc_us-gaap_LongTermDebtByMaturityAbstract_F07EBAB70322816DF264F82DC872A297" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A8923527D466D4D5A507F82DC86FCCEC" xlink:to="loc_us-gaap_LongTermDebtByMaturityAbstract_F07EBAB70322816DF264F82DC872A297" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LongtermDebtMaturitiesRepaymentsofPrincipalNextTwelveMonthsNet" xlink:label="loc_dell_LongtermDebtMaturitiesRepaymentsofPrincipalNextTwelveMonthsNet_6E98B598B3698543E5A4F82DC872E8D5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_F07EBAB70322816DF264F82DC872A297" xlink:to="loc_dell_LongtermDebtMaturitiesRepaymentsofPrincipalNextTwelveMonthsNet_6E98B598B3698543E5A4F82DC872E8D5" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LongtermDebtMaturitiesRepaymentsofPrincipalinYearTwoNet" xlink:label="loc_dell_LongtermDebtMaturitiesRepaymentsofPrincipalinYearTwoNet_E0D1AA5CDEBDE1D9CDEDF82DC87321EB" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_F07EBAB70322816DF264F82DC872A297" xlink:to="loc_dell_LongtermDebtMaturitiesRepaymentsofPrincipalinYearTwoNet_E0D1AA5CDEBDE1D9CDEDF82DC87321EB" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LongtermDebtMaturitiesRepaymentsofPrincipalinYearThreeNet" xlink:label="loc_dell_LongtermDebtMaturitiesRepaymentsofPrincipalinYearThreeNet_2373D6011375FA1FB83FF82DC87368CD" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_F07EBAB70322816DF264F82DC872A297" xlink:to="loc_dell_LongtermDebtMaturitiesRepaymentsofPrincipalinYearThreeNet_2373D6011375FA1FB83FF82DC87368CD" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LongtermDebtMaturitiesRepaymentsofPrincipalinYearFourNet" xlink:label="loc_dell_LongtermDebtMaturitiesRepaymentsofPrincipalinYearFourNet_18FF2391B6426C747324F82DC873D2F5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_F07EBAB70322816DF264F82DC872A297" xlink:to="loc_dell_LongtermDebtMaturitiesRepaymentsofPrincipalinYearFourNet_18FF2391B6426C747324F82DC873D2F5" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LongtermDebtMaturitiesRepaymentsofPrincipalinYearFiveNet" xlink:label="loc_dell_LongtermDebtMaturitiesRepaymentsofPrincipalinYearFiveNet_80CFACA898D8DE907114F82DC873045D" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_F07EBAB70322816DF264F82DC872A297" xlink:to="loc_dell_LongtermDebtMaturitiesRepaymentsofPrincipalinYearFiveNet_80CFACA898D8DE907114F82DC873045D" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LongtermDebtMaturitiesRepaymentsofPrincipalAfterYearFiveNet" xlink:label="loc_dell_LongtermDebtMaturitiesRepaymentsofPrincipalAfterYearFiveNet_A3F109CF9C7E9A01149EF82DC873D640" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_F07EBAB70322816DF264F82DC872A297" xlink:to="loc_dell_LongtermDebtMaturitiesRepaymentsofPrincipalAfterYearFiveNet_A3F109CF9C7E9A01149EF82DC873D640" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_19C644536697C299896CF82DC8731A95" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_F07EBAB70322816DF264F82DC872A297" xlink:to="loc_us-gaap_LongTermDebt_19C644536697C299896CF82DC8731A95" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/DebtOutstandingDebtDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_44C1A06E674ABB57E990F82DC8AD2A45" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_6D902FD0B00151DF756DF82DC8A6A9D0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_44C1A06E674ABB57E990F82DC8AD2A45" xlink:to="loc_us-gaap_DebtInstrumentTable_6D902FD0B00151DF756DF82DC8A6A9D0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_B97DFE8916764C93C4E3F82DC8A6C9CA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6D902FD0B00151DF756DF82DC8A6A9D0" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_B97DFE8916764C93C4E3F82DC8A6C9CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_CB3648EBFE043836B455F82DC8A66939_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_B97DFE8916764C93C4E3F82DC8A6C9CA" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_CB3648EBFE043836B455F82DC8A66939_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_CB3648EBFE043836B455F82DC8A66939" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_B97DFE8916764C93C4E3F82DC8A6C9CA" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_CB3648EBFE043836B455F82DC8A66939" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_4716E1437F6095A82869F82DC8A7A4F4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_CB3648EBFE043836B455F82DC8A66939" xlink:to="loc_us-gaap_SecuredDebtMember_4716E1437F6095A82869F82DC8A7A4F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_FCFC1CED4EC27C5CCF43F82DC8A7F753" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_CB3648EBFE043836B455F82DC8A66939" xlink:to="loc_us-gaap_UnsecuredDebtMember_FCFC1CED4EC27C5CCF43F82DC8A7F753" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherDebtSecuritiesMember" xlink:label="loc_us-gaap_OtherDebtSecuritiesMember_36A9163A63BCFB096B06F82DC8A70BB1" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_CB3648EBFE043836B455F82DC8A66939" xlink:to="loc_us-gaap_OtherDebtSecuritiesMember_36A9163A63BCFB096B06F82DC8A70BB1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_907503EC67C33278B553F82DC8A7C41E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6D902FD0B00151DF756DF82DC8A6A9D0" xlink:to="loc_us-gaap_DebtInstrumentAxis_907503EC67C33278B553F82DC8A7C41E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_907503EC67C33278B553F82DC8A7C41E" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_907503EC67C33278B553F82DC8A7C41E" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanBFacilityDueSeptember2023Member" xlink:label="loc_dell_TermLoanBFacilityDueSeptember2023Member_E623C3CA96980AD50567F82DC8A75D41" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_TermLoanBFacilityDueSeptember2023Member_E623C3CA96980AD50567F82DC8A75D41" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A3.79TermLoanB1FacilityDueSeptember2025Member" xlink:label="loc_dell_A3.79TermLoanB1FacilityDueSeptember2025Member_CD8144FD9C940CFA38A1F82DC8A85B99" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A3.79TermLoanB1FacilityDueSeptember2025Member_CD8144FD9C940CFA38A1F82DC8A85B99" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanA2FacilityDueSeptember2021Member" xlink:label="loc_dell_TermLoanA2FacilityDueSeptember2021Member_C9BE15263D5D85FD7594F82DC8A88DCD" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_TermLoanA2FacilityDueSeptember2021Member_C9BE15263D5D85FD7594F82DC8A88DCD" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanA4FacilityDueDecember2023Member" xlink:label="loc_dell_TermLoanA4FacilityDueDecember2023Member_694391E12452D0EE2713F82DC8A841ED" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_TermLoanA4FacilityDueDecember2023Member_694391E12452D0EE2713F82DC8A841ED" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanA5FacilityDueDecember2019Member" xlink:label="loc_dell_TermLoanA5FacilityDueDecember2019Member_7C947E34770C5F645F62F82DC8A85515" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_TermLoanA5FacilityDueDecember2019Member_7C947E34770C5F645F62F82DC8A85515" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TermLoanA6FacilityDueMarch2024Member" xlink:label="loc_dell_TermLoanA6FacilityDueMarch2024Member_63CFA7981DAA5BB0623CF82DC8A81DB9" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_TermLoanA6FacilityDueMarch2024Member_63CFA7981DAA5BB0623CF82DC8A81DB9" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A3.48DueJune12019NotesMember" xlink:label="loc_dell_A3.48DueJune12019NotesMember_38A55FBDA0B0CC885E4BF82DC8A9DC28" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A3.48DueJune12019NotesMember_38A55FBDA0B0CC885E4BF82DC8A9DC28" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A4.42DueJune152021NotesMember" xlink:label="loc_dell_A4.42DueJune152021NotesMember_92DE2F5F0ECE1556E028F82DC8A95B70" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A4.42DueJune152021NotesMember_92DE2F5F0ECE1556E028F82DC8A95B70" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A5.45DueJune152023NotesMember" xlink:label="loc_dell_A5.45DueJune152023NotesMember_45415ADF608685FE26E0F82DC8A9442F" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A5.45DueJune152023NotesMember_45415ADF608685FE26E0F82DC8A9442F" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A4.00FirstLienNotesDue2024Member" xlink:label="loc_dell_A4.00FirstLienNotesDue2024Member_92CA3D4CD0ACA27D8139F82DC8A905A8" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A4.00FirstLienNotesDue2024Member_92CA3D4CD0ACA27D8139F82DC8A905A8" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A4.90FirstLienNotesDue2026Member" xlink:label="loc_dell_A4.90FirstLienNotesDue2026Member_21E32D7DCF53D8421677F82DC8A9F18C" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A4.90FirstLienNotesDue2026Member_21E32D7DCF53D8421677F82DC8A9F18C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A6.02DueJune152026NotesMember" xlink:label="loc_dell_A6.02DueJune152026NotesMember_164060044304A2926ED4F82DC8A9AC23" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A6.02DueJune152026NotesMember_164060044304A2926ED4F82DC8A9AC23" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A5.30FirstLienNotesDue2029Member" xlink:label="loc_dell_A5.30FirstLienNotesDue2029Member_2A949D5762542C36C17DF82DC8AA60A2" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A5.30FirstLienNotesDue2029Member_2A949D5762542C36C17DF82DC8AA60A2" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A8.10dueJuly152036NotesMember" xlink:label="loc_dell_A8.10dueJuly152036NotesMember_CED7CA6862B3A9BFB218F82DC8AAA422" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A8.10dueJuly152036NotesMember_CED7CA6862B3A9BFB218F82DC8AAA422" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_NotesDueJuly152046At8.35Member" xlink:label="loc_dell_NotesDueJuly152046At8.35Member_AAA0420FC67EEBC4CD0CF82DC8AA6754" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_NotesDueJuly152046At8.35Member_AAA0420FC67EEBC4CD0CF82DC8AA6754" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A5.875dueJune2019Member" xlink:label="loc_dell_A5.875dueJune2019Member_D2E1F8DCE9A5D1EECFACF82DC8AAE56F" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A5.875dueJune2019Member_D2E1F8DCE9A5D1EECFACF82DC8AAE56F" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A4.625DueApril2021NotesMember" xlink:label="loc_dell_A4.625DueApril2021NotesMember_A3633ADF553E4D99A932F82DC8AABFA0" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A4.625DueApril2021NotesMember_A3633ADF553E4D99A932F82DC8AABFA0" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A7.10DueApril2028NotesMember" xlink:label="loc_dell_A7.10DueApril2028NotesMember_E260D7896FEECE0BD423F82DC8AABC72" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A7.10DueApril2028NotesMember_E260D7896FEECE0BD423F82DC8AABC72" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A6.50DueApril2038NotesMember" xlink:label="loc_dell_A6.50DueApril2038NotesMember_ACB7D6A191CACD984179F82DC8ABA38B" xlink:type="locator" />
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A6.50DueApril2038NotesMember_ACB7D6A191CACD984179F82DC8ABA38B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A5.40DueSeptember2040NotesMember" xlink:label="loc_dell_A5.40DueSeptember2040NotesMember_509BF99CD68905437CABF82DC8ABA2C4" xlink:type="locator" />
    <link:definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A5.40DueSeptember2040NotesMember_509BF99CD68905437CABF82DC8ABA2C4" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A5.875DueJune152021NotesMember" xlink:label="loc_dell_A5.875DueJune152021NotesMember_0D481E08E2EB9FC0BB1DF82DC8AB0FDE" xlink:type="locator" />
    <link:definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A5.875DueJune152021NotesMember_0D481E08E2EB9FC0BB1DF82DC8AB0FDE" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A7.125DueJune152024NotesMember" xlink:label="loc_dell_A7.125DueJune152024NotesMember_B28EC9304E1209616EE7F82DC8ABB717" xlink:type="locator" />
    <link:definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A7.125DueJune152024NotesMember_B28EC9304E1209616EE7F82DC8ABB717" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A2.650DueJune2020Member" xlink:label="loc_dell_A2.650DueJune2020Member_9942592D7A128273D248F82DC8ABAD9C" xlink:type="locator" />
    <link:definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A2.650DueJune2020Member_9942592D7A128273D248F82DC8ABAD9C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_A3.375DueJune2023Member" xlink:label="loc_dell_A3.375DueJune2023Member_B71C9003320C12205C21F82DC8AC5680" xlink:type="locator" />
    <link:definitionArc order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_A3.375DueJune2023Member_B71C9003320C12205C21F82DC8AC5680" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SeniorNotesDue2020Member" xlink:label="loc_dell_SeniorNotesDue2020Member_5F3F16056EA76123197AF82DC8AC1EFA" xlink:type="locator" />
    <link:definitionArc order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_SeniorNotesDue2020Member_5F3F16056EA76123197AF82DC8AC1EFA" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SeniorNotesDue2022Member" xlink:label="loc_dell_SeniorNotesDue2022Member_54DD561D407088D2DF46F82DC8ACA9E2" xlink:type="locator" />
    <link:definitionArc order="26" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_SeniorNotesDue2022Member_54DD561D407088D2DF46F82DC8ACA9E2" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SeniorNotesDue2027Member" xlink:label="loc_dell_SeniorNotesDue2027Member_0D78F244315A3576B5E7F82DC8AC1029" xlink:type="locator" />
    <link:definitionArc order="27" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_SeniorNotesDue2027Member_0D78F244315A3576B5E7F82DC8AC1029" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareTermLoanFacilityMember" xlink:label="loc_dell_VMwareTermLoanFacilityMember_C65955F34B105CD7CA4FF82DC8AC0B4C" xlink:type="locator" />
    <link:definitionArc order="28" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_VMwareTermLoanFacilityMember_C65955F34B105CD7CA4FF82DC8AC0B4C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_StructuredFinancingDebtMember" xlink:label="loc_dell_StructuredFinancingDebtMember_8DC32B15764ED7AB7A8AF82DC8AC5650" xlink:type="locator" />
    <link:definitionArc order="29" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_StructuredFinancingDebtMember_8DC32B15764ED7AB7A8AF82DC8AC5650" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_MarginLoanFacilityIssued2017DueApril2022Member" xlink:label="loc_dell_MarginLoanFacilityIssued2017DueApril2022Member_691DC4FF807C32AD88CAF82DC8ADB6FB" xlink:type="locator" />
    <link:definitionArc order="30" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_86BC28E1929B4A87562EF82DC8A771C7" xlink:to="loc_dell_MarginLoanFacilityIssued2017DueApril2022Member_691DC4FF807C32AD88CAF82DC8ADB6FB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_3D1CE86160DD609BC3D0F82DC8AD535F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_44C1A06E674ABB57E990F82DC8AD2A45" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_3D1CE86160DD609BC3D0F82DC8AD535F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_6CD655661C79C12DAB81F82DC8AD2E70" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_44C1A06E674ABB57E990F82DC8AD2A45" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_6CD655661C79C12DAB81F82DC8AD2E70" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_1B398681E7C03CA2FF54F82DC8AD38F8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_44C1A06E674ABB57E990F82DC8AD2A45" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_1B398681E7C03CA2FF54F82DC8AD38F8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_D4D9D099461D39E67C73F82DC8ADEC48" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_44C1A06E674ABB57E990F82DC8AD2A45" xlink:to="loc_us-gaap_LongTermDebt_D4D9D099461D39E67C73F82DC8ADEC48" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_us-gaap_DebtCurrent_0762E061C60C5D91A549F82DC8AE2141" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_44C1A06E674ABB57E990F82DC8AD2A45" xlink:to="loc_us-gaap_DebtCurrent_0762E061C60C5D91A549F82DC8AE2141" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_E1989B92834E8B4E53CCF82DC8AE33F3" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_44C1A06E674ABB57E990F82DC8AD2A45" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_E1989B92834E8B4E53CCF82DC8AE33F3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_40B92E944553ED947491F82DC8AE24C5" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_44C1A06E674ABB57E990F82DC8AD2A45" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_40B92E944553ED947491F82DC8AE24C5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_D26CA6568F7855E38759F82DC8AED8A2" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_44C1A06E674ABB57E990F82DC8AD2A45" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_D26CA6568F7855E38759F82DC8AED8A2" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/DebtTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/DeferredRevenue" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/DeferredRevenueChangesInDeferredRevenueDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/DeferredRevenueRemainingPerformanceObligationExpectedTimingDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_E0858C5DB09343ECC543E9F2981D878D" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_2022CEA3919C90F27B45E9F2981DF2BE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_E0858C5DB09343ECC543E9F2981D878D" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_2022CEA3919C90F27B45E9F2981DF2BE" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_B2B912F3F7E46A587D8AE9F2981DE8F5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_2022CEA3919C90F27B45E9F2981DF2BE" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_B2B912F3F7E46A587D8AE9F2981DE8F5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_138565EF2284C4FF0FABE9F2981D768A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_E0858C5DB09343ECC543E9F2981D878D" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_138565EF2284C4FF0FABE9F2981D768A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_ACEC3AB659EC64BB6390E9F2981EF866" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_E0858C5DB09343ECC543E9F2981D878D" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_ACEC3AB659EC64BB6390E9F2981EF866" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/DeferredRevenueTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivities" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivitiesAdditionalInformationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_65CCDF1F92C41A00278BEE1FF870D9C4" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_6CCB165AA8E8AFA44CACEE1FF86C9BEC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_65CCDF1F92C41A00278BEE1FF870D9C4" xlink:to="loc_us-gaap_DerivativeTable_6CCB165AA8E8AFA44CACEE1FF86C9BEC" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_7462B7AAF18D53D4FA82EE1FF86CB2C9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_6CCB165AA8E8AFA44CACEE1FF86C9BEC" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_7462B7AAF18D53D4FA82EE1FF86CB2C9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_2B809AC29BD86FD00671EE1FF86C446A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_7462B7AAF18D53D4FA82EE1FF86CB2C9" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_2B809AC29BD86FD00671EE1FF86C446A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_2B809AC29BD86FD00671EE1FF86C446A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_7462B7AAF18D53D4FA82EE1FF86CB2C9" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_2B809AC29BD86FD00671EE1FF86C446A" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ForeignExchangeForwardandOptionMember" xlink:label="loc_dell_ForeignExchangeForwardandOptionMember_01797D07A052B3DBC138EE1FF86D8BFD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_2B809AC29BD86FD00671EE1FF86C446A" xlink:to="loc_dell_ForeignExchangeForwardandOptionMember_01797D07A052B3DBC138EE1FF86D8BFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignExchangeForwardMember" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_FCA02871C4972D0DD220EE1FF86D1429" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_2B809AC29BD86FD00671EE1FF86C446A" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_FCA02871C4972D0DD220EE1FF86D1429" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_59D4FCDE601757814CCFEE1FF86DC432" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_2B809AC29BD86FD00671EE1FF86C446A" xlink:to="loc_us-gaap_InterestRateSwapMember_59D4FCDE601757814CCFEE1FF86DC432" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CrossCurrencyInterestRateContractMember" xlink:label="loc_us-gaap_CrossCurrencyInterestRateContractMember_D4D6BF5BB5BCB3F2A6E3EE1FF86DF4D4" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_2B809AC29BD86FD00671EE1FF86C446A" xlink:to="loc_us-gaap_CrossCurrencyInterestRateContractMember_D4D6BF5BB5BCB3F2A6E3EE1FF86DF4D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_00B46F7C8CA0DE9BC087EE3A9D065C37" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_6CCB165AA8E8AFA44CACEE1FF86C9BEC" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_00B46F7C8CA0DE9BC087EE3A9D065C37" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_2D50CF73E044D952DF7FEE3A9D10C944_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_00B46F7C8CA0DE9BC087EE3A9D065C37" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_2D50CF73E044D952DF7FEE3A9D10C944_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_2D50CF73E044D952DF7FEE3A9D10C944" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_00B46F7C8CA0DE9BC087EE3A9D065C37" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_2D50CF73E044D952DF7FEE3A9D10C944" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FinancingReceivablesMember" xlink:label="loc_dell_FinancingReceivablesMember_36B033DEDC6D5A618464EE3A9DDEBC43" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_2D50CF73E044D952DF7FEE3A9D10C944" xlink:to="loc_dell_FinancingReceivablesMember_36B033DEDC6D5A618464EE3A9DDEBC43" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_FA7958558C3141C689BFEE1FF86DC3E5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_6CCB165AA8E8AFA44CACEE1FF86C9BEC" xlink:to="loc_us-gaap_HedgingDesignationAxis_FA7958558C3141C689BFEE1FF86DC3E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_CEF8DA53427D208653B5EE1FF86E8358_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_FA7958558C3141C689BFEE1FF86DC3E5" xlink:to="loc_us-gaap_HedgingDesignationDomain_CEF8DA53427D208653B5EE1FF86E8358_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_CEF8DA53427D208653B5EE1FF86E8358" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_FA7958558C3141C689BFEE1FF86DC3E5" xlink:to="loc_us-gaap_HedgingDesignationDomain_CEF8DA53427D208653B5EE1FF86E8358" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_012681CA0D27E52FB880EE1FF86E2C31" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_CEF8DA53427D208653B5EE1FF86E8358" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_012681CA0D27E52FB880EE1FF86E2C31" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_1B0ADB1C5AE0C5E58C0FEE1FF86E3461" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_CEF8DA53427D208653B5EE1FF86E8358" xlink:to="loc_us-gaap_NondesignatedMember_1B0ADB1C5AE0C5E58C0FEE1FF86E3461" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByLiabilityClassAxis" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_1D2C219D5B060FDD4AEEEE1FF86FE964" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_6CCB165AA8E8AFA44CACEE1FF86C9BEC" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_1D2C219D5B060FDD4AEEEE1FF86FE964" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_5F68DFB5813837C7D595EE1FF86F8C19_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_1D2C219D5B060FDD4AEEEE1FF86FE964" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_5F68DFB5813837C7D595EE1FF86F8C19_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_5F68DFB5813837C7D595EE1FF86F8C19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_1D2C219D5B060FDD4AEEEE1FF86FE964" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_5F68DFB5813837C7D595EE1FF86F8C19" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_StructuredFinancingDebtMember" xlink:label="loc_dell_StructuredFinancingDebtMember_0506FAE0EBD0B41AC41AEE1FF86FDB4A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_5F68DFB5813837C7D595EE1FF86F8C19" xlink:to="loc_dell_StructuredFinancingDebtMember_0506FAE0EBD0B41AC41AEE1FF86FDB4A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeTermOfContract" xlink:label="loc_us-gaap_DerivativeTermOfContract_E4FC13B3E7871CE123E4EE1FF8705A82" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_65CCDF1F92C41A00278BEE1FF870D9C4" xlink:to="loc_us-gaap_DerivativeTermOfContract_E4FC13B3E7871CE123E4EE1FF8705A82" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivitiesEffectOfDerivativeInstrumentsOnCondensedConsolidatedStatementsOfFinancialPositionAndCondensedConsolidatedStatementsOfIncomeLossDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_F5B49FCA1458BA9B6AD5E9F298C93985" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_D96E6655444F41BFD152E9F298C5C275" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_F5B49FCA1458BA9B6AD5E9F298C93985" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_D96E6655444F41BFD152E9F298C5C275" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_2F6D63516818C9E5AEA5E9F298C524B7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_D96E6655444F41BFD152E9F298C5C275" xlink:to="loc_us-gaap_HedgingDesignationAxis_2F6D63516818C9E5AEA5E9F298C524B7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_0C856B3C5BA47F159642E9F298C505E7_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_2F6D63516818C9E5AEA5E9F298C524B7" xlink:to="loc_us-gaap_HedgingDesignationDomain_0C856B3C5BA47F159642E9F298C505E7_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_0C856B3C5BA47F159642E9F298C505E7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_2F6D63516818C9E5AEA5E9F298C524B7" xlink:to="loc_us-gaap_HedgingDesignationDomain_0C856B3C5BA47F159642E9F298C505E7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_960945DCE56797F2A94BE9F298C694FA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_0C856B3C5BA47F159642E9F298C505E7" xlink:to="loc_us-gaap_NondesignatedMember_960945DCE56797F2A94BE9F298C694FA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_72FB97093FBBCD491AC6E9F298C6DBC7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_D96E6655444F41BFD152E9F298C5C275" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_72FB97093FBBCD491AC6E9F298C6DBC7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_CECB2E018DEA212059CDE9F298C60E42_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_72FB97093FBBCD491AC6E9F298C6DBC7" xlink:to="loc_us-gaap_HedgingRelationshipDomain_CECB2E018DEA212059CDE9F298C60E42_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_CECB2E018DEA212059CDE9F298C60E42" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_72FB97093FBBCD491AC6E9F298C6DBC7" xlink:to="loc_us-gaap_HedgingRelationshipDomain_CECB2E018DEA212059CDE9F298C60E42" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="loc_us-gaap_CashFlowHedgingMember_DAEFD2328F9CD5E704EBE9F298C7C46F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_CECB2E018DEA212059CDE9F298C60E42" xlink:to="loc_us-gaap_CashFlowHedgingMember_DAEFD2328F9CD5E704EBE9F298C7C46F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_F21663F3214743075594E9F298C7C51B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_D96E6655444F41BFD152E9F298C5C275" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_F21663F3214743075594E9F298C7C51B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_D2D3D01B70E63AC4D429E9F298C7AAC8_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_F21663F3214743075594E9F298C7C51B" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_D2D3D01B70E63AC4D429E9F298C7AAC8_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_D2D3D01B70E63AC4D429E9F298C7AAC8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_F21663F3214743075594E9F298C7C51B" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_D2D3D01B70E63AC4D429E9F298C7AAC8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_3133DE10ADD185FAE67AE9F298C76137" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_D2D3D01B70E63AC4D429E9F298C7AAC8" xlink:to="loc_us-gaap_ForeignExchangeContractMember_3133DE10ADD185FAE67AE9F298C76137" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_76CD3FD5A49BCDD056CAE9F298C8EFFB" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_D2D3D01B70E63AC4D429E9F298C7AAC8" xlink:to="loc_us-gaap_InterestRateContractMember_76CD3FD5A49BCDD056CAE9F298C8EFFB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_BD58516B8F6FA07C93A9E9F298C8460B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_D96E6655444F41BFD152E9F298C5C275" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_BD58516B8F6FA07C93A9E9F298C8460B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_3BD13F36C0650E04581AE9F298C8E715_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_BD58516B8F6FA07C93A9E9F298C8460B" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_3BD13F36C0650E04581AE9F298C8E715_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_3BD13F36C0650E04581AE9F298C8E715" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_BD58516B8F6FA07C93A9E9F298C8460B" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_3BD13F36C0650E04581AE9F298C8E715" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesMember" xlink:label="loc_us-gaap_SalesMember_0561DD1A93E17F49FE1CE9F298C8F965" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_3BD13F36C0650E04581AE9F298C8E715" xlink:to="loc_us-gaap_SalesMember_0561DD1A93E17F49FE1CE9F298C8F965" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_7866E50B3A6C25947352E9F298C8FD9E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_3BD13F36C0650E04581AE9F298C8E715" xlink:to="loc_us-gaap_CostOfSalesMember_7866E50B3A6C25947352E9F298C8FD9E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonoperatingIncomeExpenseMember" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseMember_0EF0A609C68ADA2A0CB3E9F298C911B5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_3BD13F36C0650E04581AE9F298C8E715" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseMember_0EF0A609C68ADA2A0CB3E9F298C911B5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_F7C5AB9517476C1B8166E9F298C949EB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_F5B49FCA1458BA9B6AD5E9F298C93985" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_F7C5AB9517476C1B8166E9F298C949EB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_B72EE6261134946E9EF7E9F298C966E3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_F5B49FCA1458BA9B6AD5E9F298C93985" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_B72EE6261134946E9EF7E9F298C966E3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_676F96882C1D78AB2211E9F298C97E33" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_F5B49FCA1458BA9B6AD5E9F298C93985" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_676F96882C1D78AB2211E9F298C97E33" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_E24A3FBB211A6BF5109BE9F298CABB06" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_F5B49FCA1458BA9B6AD5E9F298C93985" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_E24A3FBB211A6BF5109BE9F298CABB06" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_F596CDD9334E7D1F37DBE9F298CA7B23" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_F5B49FCA1458BA9B6AD5E9F298C93985" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_F596CDD9334E7D1F37DBE9F298CA7B23" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivitiesFairValueOfDerivativeInstrumentsInCondensedConsolidatedStatementsOfFinancialPositionDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_7A0E29E1CCF7D6C9416DE9F298BE2E28" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_A6DB1DC0B25E1740A6C9E9F298BB503B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_7A0E29E1CCF7D6C9416DE9F298BE2E28" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_A6DB1DC0B25E1740A6C9E9F298BB503B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_6BD15CC24C2B2F4227CEE9F298BBB91C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_A6DB1DC0B25E1740A6C9E9F298BB503B" xlink:to="loc_us-gaap_HedgingDesignationAxis_6BD15CC24C2B2F4227CEE9F298BBB91C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_1259B2104FDD9F145F70E9F298BC51D9_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_6BD15CC24C2B2F4227CEE9F298BBB91C" xlink:to="loc_us-gaap_HedgingDesignationDomain_1259B2104FDD9F145F70E9F298BC51D9_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_1259B2104FDD9F145F70E9F298BC51D9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_6BD15CC24C2B2F4227CEE9F298BBB91C" xlink:to="loc_us-gaap_HedgingDesignationDomain_1259B2104FDD9F145F70E9F298BC51D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_A5F7A3D74AA0359633E5E9F298BC3408" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_1259B2104FDD9F145F70E9F298BC51D9" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_A5F7A3D74AA0359633E5E9F298BC3408" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_A37446D46CB61641346FE9F298BC6C4B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_1259B2104FDD9F145F70E9F298BC51D9" xlink:to="loc_us-gaap_NondesignatedMember_A37446D46CB61641346FE9F298BC6C4B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_3C309F63BB8930897C1DE9F298BC3CCC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_A6DB1DC0B25E1740A6C9E9F298BB503B" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_3C309F63BB8930897C1DE9F298BC3CCC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_0DB7C619A7E63A0B1FC5E9F298BC57F0_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_3C309F63BB8930897C1DE9F298BC3CCC" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_0DB7C619A7E63A0B1FC5E9F298BC57F0_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_0DB7C619A7E63A0B1FC5E9F298BC57F0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_3C309F63BB8930897C1DE9F298BC3CCC" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_0DB7C619A7E63A0B1FC5E9F298BC57F0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_FD1033A5BC5363FBC03DE9F298BDA266" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_0DB7C619A7E63A0B1FC5E9F298BC57F0" xlink:to="loc_us-gaap_ForeignExchangeContractMember_FD1033A5BC5363FBC03DE9F298BDA266" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_BDDFA0B76D4AEB80E079E9F298BDF3E7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_0DB7C619A7E63A0B1FC5E9F298BC57F0" xlink:to="loc_us-gaap_InterestRateContractMember_BDDFA0B76D4AEB80E079E9F298BDF3E7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_7DC316806B320D87EB7EE9F298BDE737" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_A6DB1DC0B25E1740A6C9E9F298BB503B" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_7DC316806B320D87EB7EE9F298BDE737" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_142508B2040E018B98F3E9F298BDEEEB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_7DC316806B320D87EB7EE9F298BDE737" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_142508B2040E018B98F3E9F298BDEEEB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_142508B2040E018B98F3E9F298BDEEEB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_7DC316806B320D87EB7EE9F298BDE737" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_142508B2040E018B98F3E9F298BDEEEB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherCurrentAssetsMember" xlink:label="loc_us-gaap_OtherCurrentAssetsMember_F195B5D94F393C6C844CE9F298BE23A6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_142508B2040E018B98F3E9F298BDEEEB" xlink:to="loc_us-gaap_OtherCurrentAssetsMember_F195B5D94F393C6C844CE9F298BE23A6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherNoncurrentAssetsMember" xlink:label="loc_us-gaap_OtherNoncurrentAssetsMember_6280A9696B7101BF5F65E9F298BEEF3B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_142508B2040E018B98F3E9F298BDEEEB" xlink:to="loc_us-gaap_OtherNoncurrentAssetsMember_6280A9696B7101BF5F65E9F298BEEF3B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherCurrentLiabilitiesMember" xlink:label="loc_us-gaap_OtherCurrentLiabilitiesMember_1EB420F9CAB83CB0BB1FE9F298BECA21" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_142508B2040E018B98F3E9F298BDEEEB" xlink:to="loc_us-gaap_OtherCurrentLiabilitiesMember_1EB420F9CAB83CB0BB1FE9F298BECA21" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherNoncurrentLiabilitiesMember" xlink:label="loc_us-gaap_OtherNoncurrentLiabilitiesMember_3DF9D707D5C1730A2135E9F298BED120" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_142508B2040E018B98F3E9F298BDEEEB" xlink:to="loc_us-gaap_OtherNoncurrentLiabilitiesMember_3DF9D707D5C1730A2135E9F298BED120" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_352997DF655D4A542E0FE9F298BE7982" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_7A0E29E1CCF7D6C9416DE9F298BE2E28" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_352997DF655D4A542E0FE9F298BE7982" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_C96E93DD7C3792C6A28EE9F298BF022E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_7A0E29E1CCF7D6C9416DE9F298BE2E28" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_C96E93DD7C3792C6A28EE9F298BF022E" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DerivativeAssetLiabilityFairValueGrossAsset" xlink:label="loc_dell_DerivativeAssetLiabilityFairValueGrossAsset_2C62153D64B82B30FAAAE9F298BFE5E4" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_7A0E29E1CCF7D6C9416DE9F298BE2E28" xlink:to="loc_dell_DerivativeAssetLiabilityFairValueGrossAsset_2C62153D64B82B30FAAAE9F298BFE5E4" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivitiesGrossAmountsOfDerivativeInstrumentsAmountsOffsetDueToMasterNettingAgreementsDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivitiesNotionalAmountsOfOutstandingDerivativeInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_7168C3EEFE48536EB22EE9F298D1AB99" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_DF46B3E9B06D86CE0BCAE9F298CF1BFF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_7168C3EEFE48536EB22EE9F298D1AB99" xlink:to="loc_us-gaap_DerivativeTable_DF46B3E9B06D86CE0BCAE9F298CF1BFF" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_27356694A27F26A7749FE9F298CFAEEC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_DF46B3E9B06D86CE0BCAE9F298CF1BFF" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_27356694A27F26A7749FE9F298CFAEEC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_42A8B9823299238AE725E9F298CFB540_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_27356694A27F26A7749FE9F298CFAEEC" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_42A8B9823299238AE725E9F298CFB540_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_42A8B9823299238AE725E9F298CFB540" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_27356694A27F26A7749FE9F298CFAEEC" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_42A8B9823299238AE725E9F298CFB540" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_A21D2579E75C7E76D0DEE9F298CF0FE7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_42A8B9823299238AE725E9F298CFB540" xlink:to="loc_us-gaap_ForeignExchangeContractMember_A21D2579E75C7E76D0DEE9F298CF0FE7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_037F335A243AA3504157E9F298D0C39A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_42A8B9823299238AE725E9F298CFB540" xlink:to="loc_us-gaap_InterestRateContractMember_037F335A243AA3504157E9F298D0C39A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_1517053EB6D265EB9F09E9F298D0E82F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_DF46B3E9B06D86CE0BCAE9F298CF1BFF" xlink:to="loc_us-gaap_HedgingDesignationAxis_1517053EB6D265EB9F09E9F298D0E82F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_8F9A70CE1F815BA74380E9F298D0092F_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_1517053EB6D265EB9F09E9F298D0E82F" xlink:to="loc_us-gaap_HedgingDesignationDomain_8F9A70CE1F815BA74380E9F298D0092F_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_8F9A70CE1F815BA74380E9F298D0092F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_1517053EB6D265EB9F09E9F298D0E82F" xlink:to="loc_us-gaap_HedgingDesignationDomain_8F9A70CE1F815BA74380E9F298D0092F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_9D430067B1A11A9DADF2E9F298D0FDA3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_8F9A70CE1F815BA74380E9F298D0092F" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_9D430067B1A11A9DADF2E9F298D0FDA3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_73B3310137231AFD9753E9F298D11334" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_8F9A70CE1F815BA74380E9F298D0092F" xlink:to="loc_us-gaap_NondesignatedMember_73B3310137231AFD9753E9F298D11334" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeNotionalAmount" xlink:label="loc_us-gaap_DerivativeNotionalAmount_32AF1A984052598B0CE9E9F298D16312" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_7168C3EEFE48536EB22EE9F298D1AB99" xlink:to="loc_us-gaap_DerivativeNotionalAmount_32AF1A984052598B0CE9E9F298D16312" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/DerivativeInstrumentsAndHedgingActivitiesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_BAC3DFB1C41E5172A8D4E9F299A2F3C5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_BAC3DFB1C41E5172A8D4E9F299A2F3C5" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_E031AB4B1A60429A8845E9F299A2AEE8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_BAC3DFB1C41E5172A8D4E9F299A2F3C5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_E031AB4B1A60429A8845E9F299A2AEE8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3B9988A420DE870F57A3E9F299A21D2B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_E031AB4B1A60429A8845E9F299A2AEE8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3B9988A420DE870F57A3E9F299A21D2B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3B9988A420DE870F57A3E9F299A21D2B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_E031AB4B1A60429A8845E9F299A2AEE8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3B9988A420DE870F57A3E9F299A21D2B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SoftwareDevelopmentInternalUseMember" xlink:label="loc_dell_SoftwareDevelopmentInternalUseMember_680A82D7DA90D08740E0E9F299A37F23" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3B9988A420DE870F57A3E9F299A21D2B" xlink:to="loc_dell_SoftwareDevelopmentInternalUseMember_680A82D7DA90D08740E0E9F299A37F23" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComputerEquipmentMember" xlink:label="loc_us-gaap_ComputerEquipmentMember_DAD069B6F6DC62986B2AE9F299A35822" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3B9988A420DE870F57A3E9F299A21D2B" xlink:to="loc_us-gaap_ComputerEquipmentMember_DAD069B6F6DC62986B2AE9F299A35822" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BuildingMember" xlink:label="loc_us-gaap_BuildingMember_EE92A57CFD0FBF7CE485E9F299A3E437" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3B9988A420DE870F57A3E9F299A21D2B" xlink:to="loc_us-gaap_BuildingMember_EE92A57CFD0FBF7CE485E9F299A3E437" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_1DE6B6F0BC8CD76C5E16E9F299A3A3FA" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3B9988A420DE870F57A3E9F299A21D2B" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_1DE6B6F0BC8CD76C5E16E9F299A3A3FA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_E72CB94453B43673994EE9F299A3BA54" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3B9988A420DE870F57A3E9F299A21D2B" xlink:to="loc_us-gaap_MachineryAndEquipmentMember_E72CB94453B43673994EE9F299A3BA54" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SoftwareDevelopmentMember" xlink:label="loc_us-gaap_SoftwareDevelopmentMember_AB7AE0A352BE8A326C0DE9F299A4D708" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3B9988A420DE870F57A3E9F299A21D2B" xlink:to="loc_us-gaap_SoftwareDevelopmentMember_AB7AE0A352BE8A326C0DE9F299A4D708" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_439390545A41BCCCFB0AE9F299A4543A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_BAC3DFB1C41E5172A8D4E9F299A2F3C5" xlink:to="loc_srt_RangeAxis_439390545A41BCCCFB0AE9F299A4543A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_F581AD97047D3C96F89AE9F299A45F41_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_439390545A41BCCCFB0AE9F299A4543A" xlink:to="loc_srt_RangeMember_F581AD97047D3C96F89AE9F299A45F41_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_F581AD97047D3C96F89AE9F299A45F41" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_439390545A41BCCCFB0AE9F299A4543A" xlink:to="loc_srt_RangeMember_F581AD97047D3C96F89AE9F299A45F41" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_B56A0E88D8C6606A8A7FE9F299A40861" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_F581AD97047D3C96F89AE9F299A45F41" xlink:to="loc_srt_MinimumMember_B56A0E88D8C6606A8A7FE9F299A40861" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_58EC7B130EDB856F111AE9F299A46970" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_F581AD97047D3C96F89AE9F299A45F41" xlink:to="loc_srt_MaximumMember_58EC7B130EDB856F111AE9F299A46970" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_7A30270A339CD07EB47BE9F299A5A64E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_BAC3DFB1C41E5172A8D4E9F299A2F3C5" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_7A30270A339CD07EB47BE9F299A5A64E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_863FA509225E90E0B9EBE9F299A574C0_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_7A30270A339CD07EB47BE9F299A5A64E" xlink:to="loc_us-gaap_TypeOfAdoptionMember_863FA509225E90E0B9EBE9F299A574C0_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_863FA509225E90E0B9EBE9F299A574C0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_7A30270A339CD07EB47BE9F299A5A64E" xlink:to="loc_us-gaap_TypeOfAdoptionMember_863FA509225E90E0B9EBE9F299A574C0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201602Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201602Member_1DD1C8AA1A9D11D6CBB5E9F299A51E2E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfAdoptionMember_863FA509225E90E0B9EBE9F299A574C0" xlink:to="loc_us-gaap_AccountingStandardsUpdate201602Member_1DD1C8AA1A9D11D6CBB5E9F299A51E2E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201601Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201601Member_4B5CF6AE8FCB158E3BB1E9F299A50644" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfAdoptionMember_863FA509225E90E0B9EBE9F299A574C0" xlink:to="loc_us-gaap_AccountingStandardsUpdate201601Member_4B5CF6AE8FCB158E3BB1E9F299A50644" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201616Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201616Member_CB1089412BFC4B6CDD0DE9F299A6D6DC" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfAdoptionMember_863FA509225E90E0B9EBE9F299A574C0" xlink:to="loc_us-gaap_AccountingStandardsUpdate201616Member_CB1089412BFC4B6CDD0DE9F299A6D6DC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_2A0E296199946205B34BE9F299A6CD84" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_BAC3DFB1C41E5172A8D4E9F299A2F3C5" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_2A0E296199946205B34BE9F299A6CD84" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_664C567C4B624E13E3A0E9F299A6A304_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_2A0E296199946205B34BE9F299A6CD84" xlink:to="loc_us-gaap_EquityComponentDomain_664C567C4B624E13E3A0E9F299A6A304_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_664C567C4B624E13E3A0E9F299A6A304" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_2A0E296199946205B34BE9F299A6CD84" xlink:to="loc_us-gaap_EquityComponentDomain_664C567C4B624E13E3A0E9F299A6A304" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_7B427833BC67337B9DF7E9F299A762F8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_664C567C4B624E13E3A0E9F299A6A304" xlink:to="loc_us-gaap_RetainedEarningsMember_7B427833BC67337B9DF7E9F299A762F8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers" xlink:label="loc_us-gaap_CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers_779CADCDF2DF8ECF1C39E9F299A7DF1B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_us-gaap_CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers_779CADCDF2DF8ECF1C39E9F299A7DF1B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalizedComputerSoftwareAmortization1" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareAmortization1_756187691B79FAB58E49E9F299A79E64" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareAmortization1_756187691B79FAB58E49E9F299A79E64" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_552122C7DE90A36E0B28E9F299A78A94" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_552122C7DE90A36E0B28E9F299A78A94" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_BusinessCombinationMeasurementPeriod" xlink:label="loc_dell_BusinessCombinationMeasurementPeriod_D2388A7EAE20231950DAE9F299A79714" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_dell_BusinessCombinationMeasurementPeriod_D2388A7EAE20231950DAE9F299A79714" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalizedContractCostAmortizationPeriod" xlink:label="loc_us-gaap_CapitalizedContractCostAmortizationPeriod_84894B7010C9B3CF049EE9F299A7CAE6" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_us-gaap_CapitalizedContractCostAmortizationPeriod_84894B7010C9B3CF049EE9F299A7CAE6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalizedContractCostNet" xlink:label="loc_us-gaap_CapitalizedContractCostNet_67A5D0988DEF814FC185E9F299A7BAD2" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_us-gaap_CapitalizedContractCostNet_67A5D0988DEF814FC185E9F299A7BAD2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalizedContractCostAmortization" xlink:label="loc_us-gaap_CapitalizedContractCostAmortization_E44F097BE51E2030126FE9F299A7BD5E" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_us-gaap_CapitalizedContractCostAmortization_E44F097BE51E2030126FE9F299A7BD5E" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_StandardProductWarrantyTerm" xlink:label="loc_dell_StandardProductWarrantyTerm_F5B71610AEF43C3F78C0E9F299A741AB" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_dell_StandardProductWarrantyTerm_F5B71610AEF43C3F78C0E9F299A741AB" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_StandardProductWarrantyAverageRemainingAggregatePeriod" xlink:label="loc_dell_StandardProductWarrantyAverageRemainingAggregatePeriod_A298910D63BB8DF2E385E9F299A8765C" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_dell_StandardProductWarrantyAverageRemainingAggregatePeriod_A298910D63BB8DF2E385E9F299A8765C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdvertisingExpense" xlink:label="loc_us-gaap_AdvertisingExpense_4A4FF083FED5D1617767E9F299A86008" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_us-gaap_AdvertisingExpense_4A4FF083FED5D1617767E9F299A86008" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_9F0B7BAEDF9975681761E9F299A80090" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_us-gaap_OperatingLeaseLiability_9F0B7BAEDF9975681761E9F299A80090" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_1B5676D34AB143557D6BE9F299A89E91" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_1B5676D34AB143557D6BE9F299A89E91" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption" xlink:label="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_B0BD9902B7968240DE10E9F299A8A7EB" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_B0BD9902B7968240DE10E9F299A8A7EB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_2C0EC41B4BE33E3CA26BE9F299A80522" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_D96B92E7171C24576B73E9F299A7D2B8" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_2C0EC41B4BE33E3CA26BE9F299A80522" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/EarningsLossPerShare" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/EarningsLossPerShareAdditionalInformationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_50AA557DFB21B15E36A2E9F297665E89" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_8D63EA6FD27498EF7E31E9F29764BE45" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_50AA557DFB21B15E36A2E9F297665E89" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_8D63EA6FD27498EF7E31E9F29764BE45" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_E14363649566514311C9E9F297645FE4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_8D63EA6FD27498EF7E31E9F29764BE45" xlink:to="loc_us-gaap_StatementClassOfStockAxis_E14363649566514311C9E9F297645FE4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_926E3AFC063C4881F376E9F297646DFF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_E14363649566514311C9E9F297645FE4" xlink:to="loc_us-gaap_ClassOfStockDomain_926E3AFC063C4881F376E9F297646DFF_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_926E3AFC063C4881F376E9F297646DFF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_E14363649566514311C9E9F297645FE4" xlink:to="loc_us-gaap_ClassOfStockDomain_926E3AFC063C4881F376E9F297646DFF" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassVMember" xlink:label="loc_dell_CommonClassVMember_8FECF513B12E02BD91A9E9F29765AE72" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_926E3AFC063C4881F376E9F297646DFF" xlink:to="loc_dell_CommonClassVMember_8FECF513B12E02BD91A9E9F29765AE72" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember" xlink:label="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_83B103DA31B8B47612DEE9F29765A5A2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_926E3AFC063C4881F376E9F297646DFF" xlink:to="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_83B103DA31B8B47612DEE9F29765A5A2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipAxis" xlink:label="loc_srt_OwnershipAxis_FF5704B123C027AAC9B4E9F29765DB45" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_8D63EA6FD27498EF7E31E9F29764BE45" xlink:to="loc_srt_OwnershipAxis_FF5704B123C027AAC9B4E9F29765DB45" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipDomain" xlink:label="loc_srt_OwnershipDomain_C6C13904467D6C487417E9F29765D912_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_FF5704B123C027AAC9B4E9F29765DB45" xlink:to="loc_srt_OwnershipDomain_C6C13904467D6C487417E9F29765D912_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipDomain" xlink:label="loc_srt_OwnershipDomain_C6C13904467D6C487417E9F29765D912" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_FF5704B123C027AAC9B4E9F29765DB45" xlink:to="loc_srt_OwnershipDomain_C6C13904467D6C487417E9F29765D912" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ClassVCommonStockOwnersMember" xlink:label="loc_dell_ClassVCommonStockOwnersMember_97635A2CDA828A1465DCE9F2976661C1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_C6C13904467D6C487417E9F29765D912" xlink:to="loc_dell_ClassVCommonStockOwnersMember_97635A2CDA828A1465DCE9F2976661C1" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonStockNumberofGroups" xlink:label="loc_dell_CommonStockNumberofGroups_636325A753EADE54B15BE9F29766B543" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_50AA557DFB21B15E36A2E9F297665E89" xlink:to="loc_dell_CommonStockNumberofGroups_636325A753EADE54B15BE9F29766B543" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonStockOwnershipPercentage" xlink:label="loc_dell_CommonStockOwnershipPercentage_C809D13A79E6AFF3A744E9F297668966" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_50AA557DFB21B15E36A2E9F297665E89" xlink:to="loc_dell_CommonStockOwnershipPercentage_C809D13A79E6AFF3A744E9F297668966" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonStockNumberofClasses" xlink:label="loc_dell_CommonStockNumberofClasses_CFE3ACD6E86E0AFEFD39E9F29767B95B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_50AA557DFB21B15E36A2E9F297665E89" xlink:to="loc_dell_CommonStockNumberofClasses_CFE3ACD6E86E0AFEFD39E9F29767B95B" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/EarningsLossPerShareBasisOfAllocationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasicLineItems" xlink:label="loc_us-gaap_EarningsPerShareBasicLineItems_7BFDF315069F5173729612A365466FF8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_03A60031DBA187FAC10812A36544FB09" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_7BFDF315069F5173729612A365466FF8" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_03A60031DBA187FAC10812A36544FB09" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipAxis" xlink:label="loc_srt_OwnershipAxis_13E5B8C5B03FF3FC727C12E583C2094E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_03A60031DBA187FAC10812A36544FB09" xlink:to="loc_srt_OwnershipAxis_13E5B8C5B03FF3FC727C12E583C2094E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipDomain" xlink:label="loc_srt_OwnershipDomain_8ABAA9DC3E5379EC9BA312E583C6E6F3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_13E5B8C5B03FF3FC727C12E583C2094E" xlink:to="loc_srt_OwnershipDomain_8ABAA9DC3E5379EC9BA312E583C6E6F3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipDomain" xlink:label="loc_srt_OwnershipDomain_8ABAA9DC3E5379EC9BA312E583C6E6F3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_13E5B8C5B03FF3FC727C12E583C2094E" xlink:to="loc_srt_OwnershipDomain_8ABAA9DC3E5379EC9BA312E583C6E6F3" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DHIGroupMember" xlink:label="loc_dell_DHIGroupMember_A2D6C752BC376320590012E5FDE285BE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_8ABAA9DC3E5379EC9BA312E583C6E6F3" xlink:to="loc_dell_DHIGroupMember_A2D6C752BC376320590012E5FDE285BE" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_3F8A892C15B2FD1A9AAA12A36544EF3A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_03A60031DBA187FAC10812A36544FB09" xlink:to="loc_dei_LegalEntityAxis_3F8A892C15B2FD1A9AAA12A36544EF3A" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_389C21B3B8CC6AEF92CF12A365442063_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_3F8A892C15B2FD1A9AAA12A36544EF3A" xlink:to="loc_dei_EntityDomain_389C21B3B8CC6AEF92CF12A365442063_default" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_389C21B3B8CC6AEF92CF12A365442063" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_3F8A892C15B2FD1A9AAA12A36544EF3A" xlink:to="loc_dei_EntityDomain_389C21B3B8CC6AEF92CF12A365442063" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_0813638D52B0ADF13F2E12A3654592D4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_389C21B3B8CC6AEF92CF12A365442063" xlink:to="loc_dell_VMwareInc.Member_0813638D52B0ADF13F2E12A3654592D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_0015311A1DA94B1B900712A365455D4D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_03A60031DBA187FAC10812A36544FB09" xlink:to="loc_us-gaap_StatementClassOfStockAxis_0015311A1DA94B1B900712A365455D4D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_6FF3FDEECA2A3964533E12A3654577AC_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_0015311A1DA94B1B900712A365455D4D" xlink:to="loc_us-gaap_ClassOfStockDomain_6FF3FDEECA2A3964533E12A3654577AC_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_6FF3FDEECA2A3964533E12A3654577AC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_0015311A1DA94B1B900712A365455D4D" xlink:to="loc_us-gaap_ClassOfStockDomain_6FF3FDEECA2A3964533E12A3654577AC" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassVMember" xlink:label="loc_dell_CommonClassVMember_B71F867D197635549DA812A36546DEC1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6FF3FDEECA2A3964533E12A3654577AC" xlink:to="loc_dell_CommonClassVMember_B71F867D197635549DA812A36546DEC1" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember" xlink:label="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_2D5C643EF527CE984D0312A365464CE8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6FF3FDEECA2A3964533E12A3654577AC" xlink:to="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_2D5C643EF527CE984D0312A365464CE8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_02C79E76DB0FC2C9936E12A365468E82" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_7BFDF315069F5173729612A365466FF8" xlink:to="loc_us-gaap_ProfitLoss_02C79E76DB0FC2C9936E12A365468E82" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_225546EA722C1AA5CFBA12A36546B1AC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_7BFDF315069F5173729612A365466FF8" xlink:to="loc_us-gaap_NetIncomeLoss_225546EA722C1AA5CFBA12A36546B1AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_DE200DCD53CFCB3F367B12A365464935" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_7BFDF315069F5173729612A365466FF8" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_DE200DCD53CFCB3F367B12A365464935" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_FB2C414998EF86ACE92C12A365478CC1" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_7BFDF315069F5173729612A365466FF8" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_FB2C414998EF86ACE92C12A365478CC1" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/EarningsLossPerShareReconciliationOfNetIncomeLossFromContinuingOperationsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareDilutedLineItems" xlink:label="loc_us-gaap_EarningsPerShareDilutedLineItems_7CC6A55A112ACA811024E9F2975463D7" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_C0777B1982E7DAFC9768E9F297528824" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_7CC6A55A112ACA811024E9F2975463D7" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_C0777B1982E7DAFC9768E9F297528824" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_53AA9DAED3114749FC9DE9F2975226CB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_C0777B1982E7DAFC9768E9F297528824" xlink:to="loc_us-gaap_StatementClassOfStockAxis_53AA9DAED3114749FC9DE9F2975226CB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_23C360299C1ECF379B3BE9F297533B88_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_53AA9DAED3114749FC9DE9F2975226CB" xlink:to="loc_us-gaap_ClassOfStockDomain_23C360299C1ECF379B3BE9F297533B88_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_23C360299C1ECF379B3BE9F297533B88" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_53AA9DAED3114749FC9DE9F2975226CB" xlink:to="loc_us-gaap_ClassOfStockDomain_23C360299C1ECF379B3BE9F297533B88" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassVMember" xlink:label="loc_dell_CommonClassVMember_5F60170A43A616555F2BE9F297531FC1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_23C360299C1ECF379B3BE9F297533B88" xlink:to="loc_dell_CommonClassVMember_5F60170A43A616555F2BE9F297531FC1" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember" xlink:label="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_D428CFB9213AAA5EBBC6E9F2975476A8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_23C360299C1ECF379B3BE9F297533B88" xlink:to="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_D428CFB9213AAA5EBBC6E9F2975476A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_35BA75976566EE23EFA6E9F29754775E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_7CC6A55A112ACA811024E9F2975463D7" xlink:to="loc_us-gaap_NetIncomeLoss_35BA75976566EE23EFA6E9F29754775E" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/EarningsLossPerShareReconciliationOfReportableSegmentResultsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_8F95600D8CEA6B4D1887E9F29744A88A" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_42AA704142FE181DC681E9F297415219" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8F95600D8CEA6B4D1887E9F29744A88A" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_42AA704142FE181DC681E9F297415219" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_B3E495FC8E00C2DFD05EE9F297429215" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_42AA704142FE181DC681E9F297415219" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_B3E495FC8E00C2DFD05EE9F297429215" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_B7A78BE6A08AD8C70000E9F297425BD5_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_B3E495FC8E00C2DFD05EE9F297429215" xlink:to="loc_us-gaap_SegmentDomain_B7A78BE6A08AD8C70000E9F297425BD5_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_B7A78BE6A08AD8C70000E9F297425BD5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_B3E495FC8E00C2DFD05EE9F297429215" xlink:to="loc_us-gaap_SegmentDomain_B7A78BE6A08AD8C70000E9F297425BD5" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_DA705B1DC74EEB7E09E6E9F297421AB0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_B7A78BE6A08AD8C70000E9F297425BD5" xlink:to="loc_dell_VMwareInc.Member_DA705B1DC74EEB7E09E6E9F297421AB0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_8C61810B0278CF93E52AE9F29743B848" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_42AA704142FE181DC681E9F297415219" xlink:to="loc_srt_ConsolidationItemsAxis_8C61810B0278CF93E52AE9F29743B848" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_44F2FBB588E19161A4BFE9F297430843_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_8C61810B0278CF93E52AE9F29743B848" xlink:to="loc_srt_ConsolidationItemsDomain_44F2FBB588E19161A4BFE9F297430843_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_44F2FBB588E19161A4BFE9F297430843" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_8C61810B0278CF93E52AE9F29743B848" xlink:to="loc_srt_ConsolidationItemsDomain_44F2FBB588E19161A4BFE9F297430843" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_23D5E3000F1CE106458AE9F2974378FF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_44F2FBB588E19161A4BFE9F297430843" xlink:to="loc_us-gaap_OperatingSegmentsMember_23D5E3000F1CE106458AE9F2974378FF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IntersegmentEliminationMember" xlink:label="loc_us-gaap_IntersegmentEliminationMember_AA4F945223C882EE3317E9F2974389CA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_44F2FBB588E19161A4BFE9F297430843" xlink:to="loc_us-gaap_IntersegmentEliminationMember_AA4F945223C882EE3317E9F2974389CA" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_F2545E7875150B2DB0CEE9F29744810F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_42AA704142FE181DC681E9F297415219" xlink:to="loc_dei_LegalEntityAxis_F2545E7875150B2DB0CEE9F29744810F" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_E6FACFA5DF131434EE92E9F2974483AF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_F2545E7875150B2DB0CEE9F29744810F" xlink:to="loc_dei_EntityDomain_E6FACFA5DF131434EE92E9F2974483AF_default" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_E6FACFA5DF131434EE92E9F2974483AF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_F2545E7875150B2DB0CEE9F29744810F" xlink:to="loc_dei_EntityDomain_E6FACFA5DF131434EE92E9F2974483AF" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_03C344067D9A4233F870E9F297443030" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_E6FACFA5DF131434EE92E9F2974483AF" xlink:to="loc_dell_VMwareInc.Member_03C344067D9A4233F870E9F297443030" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_0C4A69FE85927FE18EE2E9F297453D84" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8F95600D8CEA6B4D1887E9F29744A88A" xlink:to="loc_us-gaap_Revenues_0C4A69FE85927FE18EE2E9F297453D84" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_us-gaap_CostOfRevenue_8C728D528300A412E1C3E9F297458604" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8F95600D8CEA6B4D1887E9F29744A88A" xlink:to="loc_us-gaap_CostOfRevenue_8C728D528300A412E1C3E9F297458604" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_D7F53D5E338AC816B034E9F297453692" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8F95600D8CEA6B4D1887E9F29744A88A" xlink:to="loc_us-gaap_GrossProfit_D7F53D5E338AC816B034E9F297453692" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_11F9666620432119A274E9F29745A3A9" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8F95600D8CEA6B4D1887E9F29744A88A" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_11F9666620432119A274E9F29745A3A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_B637784386F4529D2CBFE9F297458BAC" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8F95600D8CEA6B4D1887E9F29744A88A" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_B637784386F4529D2CBFE9F297458BAC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_7F09878A3B376984F1D9E9F2974609BA" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8F95600D8CEA6B4D1887E9F29744A88A" xlink:to="loc_us-gaap_OperatingExpenses_7F09878A3B376984F1D9E9F2974609BA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_AE2429091F9463E3C8D7E9F2974667D0" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8F95600D8CEA6B4D1887E9F29744A88A" xlink:to="loc_us-gaap_OperatingIncomeLoss_AE2429091F9463E3C8D7E9F2974667D0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_DAE6DA1D315035D1CFB2E9F29746138F" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8F95600D8CEA6B4D1887E9F29744A88A" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_DAE6DA1D315035D1CFB2E9F29746138F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_F72B4082169B9BBB94ABE9F29746D696" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8F95600D8CEA6B4D1887E9F29744A88A" xlink:to="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_F72B4082169B9BBB94ABE9F29746D696" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_CC99DF45D4293A3AC8A2E9F2974625B3" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8F95600D8CEA6B4D1887E9F29744A88A" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_CC99DF45D4293A3AC8A2E9F2974625B3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_A19FE20676A55426D4D3E9F297475167" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8F95600D8CEA6B4D1887E9F29744A88A" xlink:to="loc_us-gaap_ProfitLoss_A19FE20676A55426D4D3E9F297475167" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/EarningsLossPerShareScheduleOfEarningsLossPerShareDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasicLineItems" xlink:label="loc_us-gaap_EarningsPerShareBasicLineItems_8357D1AAFE98EA2433A7E9F2975B3EE0" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_F537823655ECC54D19A7E9F2975ADC74" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_8357D1AAFE98EA2433A7E9F2975B3EE0" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_F537823655ECC54D19A7E9F2975ADC74" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_2440EEC9577426E5CA74E9F2975AC1DB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_F537823655ECC54D19A7E9F2975ADC74" xlink:to="loc_us-gaap_StatementClassOfStockAxis_2440EEC9577426E5CA74E9F2975AC1DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_F3FA9330D71706393A0AE9F2975B380B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_2440EEC9577426E5CA74E9F2975AC1DB" xlink:to="loc_us-gaap_ClassOfStockDomain_F3FA9330D71706393A0AE9F2975B380B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_F3FA9330D71706393A0AE9F2975B380B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_2440EEC9577426E5CA74E9F2975AC1DB" xlink:to="loc_us-gaap_ClassOfStockDomain_F3FA9330D71706393A0AE9F2975B380B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassVMember" xlink:label="loc_dell_CommonClassVMember_9F9D9450CDF66F00BFEDE9F2975B38CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_F3FA9330D71706393A0AE9F2975B380B" xlink:to="loc_dell_CommonClassVMember_9F9D9450CDF66F00BFEDE9F2975B38CC" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember" xlink:label="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_6F26934AD17C0C9A149DE9F2975B89FD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_F3FA9330D71706393A0AE9F2975B380B" xlink:to="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_6F26934AD17C0C9A149DE9F2975B89FD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_757FD70C80219EB2E028E9F2975C258E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_8357D1AAFE98EA2433A7E9F2975B3EE0" xlink:to="loc_us-gaap_NetIncomeLoss_757FD70C80219EB2E028E9F2975C258E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_E96947D5E4B2D445B6F5E9F2975C005B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_8357D1AAFE98EA2433A7E9F2975B3EE0" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_E96947D5E4B2D445B6F5E9F2975C005B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_C873015F86611BE9E247E9F2975C34E1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_E96947D5E4B2D445B6F5E9F2975C005B" xlink:to="loc_us-gaap_EarningsPerShareBasic_C873015F86611BE9E247E9F2975C34E1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_7CC572D320D8BC6F2E76E9F2975C5C88" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_8357D1AAFE98EA2433A7E9F2975B3EE0" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_7CC572D320D8BC6F2E76E9F2975C5C88" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_DC933C10460EC82860EAE9F2975D15AE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_7CC572D320D8BC6F2E76E9F2975C5C88" xlink:to="loc_us-gaap_EarningsPerShareDiluted_DC933C10460EC82860EAE9F2975D15AE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLossAbstract" xlink:label="loc_us-gaap_NetIncomeLossAbstract_DF370C42C3F4FBCCC6A2E9F2975DBFCE" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_8357D1AAFE98EA2433A7E9F2975B3EE0" xlink:to="loc_us-gaap_NetIncomeLossAbstract_DF370C42C3F4FBCCC6A2E9F2975DBFCE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_489AF1CF6C1C0A2E59A0E9F2975D7CBA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAbstract_DF370C42C3F4FBCCC6A2E9F2975DBFCE" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_489AF1CF6C1C0A2E59A0E9F2975D7CBA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther" xlink:label="loc_us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther_04C38E987C4E4881AFE4E9F2975D789F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAbstract_DF370C42C3F4FBCCC6A2E9F2975DBFCE" xlink:to="loc_us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther_04C38E987C4E4881AFE4E9F2975D789F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_ADEA6EE8DDED826F749BE9F2975D42C5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAbstract_DF370C42C3F4FBCCC6A2E9F2975DBFCE" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_ADEA6EE8DDED826F749BE9F2975D42C5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_8BFF71B48A44A0592832E9F2975EAEEB" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_8357D1AAFE98EA2433A7E9F2975B3EE0" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_8BFF71B48A44A0592832E9F2975EAEEB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_0870DD8CE822395FD52BE9F2975E8F53" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_8BFF71B48A44A0592832E9F2975EAEEB" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_0870DD8CE822395FD52BE9F2975E8F53" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_5F2136FFDF2BD90051C6E9F2975E4CC0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_8BFF71B48A44A0592832E9F2975EAEEB" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_5F2136FFDF2BD90051C6E9F2975E4CC0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_63FEA7D1968768853FF6E9F2975E16E5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_8BFF71B48A44A0592832E9F2975EAEEB" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_63FEA7D1968768853FF6E9F2975E16E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_07DE04CB3EA4F003308AE9F2975EEEC6" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_8BFF71B48A44A0592832E9F2975EAEEB" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_07DE04CB3EA4F003308AE9F2975EEEC6" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/EarningsLossPerShareTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/FairValueMeasurementsAndInvestments" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/FairValueMeasurementsAndInvestmentsAdditionalInformationNarrativeDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/FairValueMeasurementsAndInvestmentsCarryingValueAndEstimatedFairValueOfOutstandingDebtDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4FE84077C89D840FDBAFE9F29966147B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_FAE5BA8AB8039CD463AFE9F29962DB05" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4FE84077C89D840FDBAFE9F29966147B" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_FAE5BA8AB8039CD463AFE9F29962DB05" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_93EF863F03E3B7305A51E9F29963E059" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_FAE5BA8AB8039CD463AFE9F29962DB05" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_93EF863F03E3B7305A51E9F29963E059" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_F9DC36C94D358AD4C287E9F299634C78_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_93EF863F03E3B7305A51E9F29963E059" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_F9DC36C94D358AD4C287E9F299634C78_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_6CBF39848D43AB4AD458E9F2996337EF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_93EF863F03E3B7305A51E9F29963E059" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_6CBF39848D43AB4AD458E9F2996337EF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_F9DC36C94D358AD4C287E9F299634C78" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_6CBF39848D43AB4AD458E9F2996337EF" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_F9DC36C94D358AD4C287E9F299634C78" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_6DE22CE74007C7FEB6DCE9F29963EE1A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_6CBF39848D43AB4AD458E9F2996337EF" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_6DE22CE74007C7FEB6DCE9F29963EE1A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_21A22FE0DC3E94D567AEE9F299635180" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_6CBF39848D43AB4AD458E9F2996337EF" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_21A22FE0DC3E94D567AEE9F299635180" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_67038FA0B7DB737CA36CE9F299641473" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_FAE5BA8AB8039CD463AFE9F29962DB05" xlink:to="loc_us-gaap_DebtInstrumentAxis_67038FA0B7DB737CA36CE9F299641473" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_75736D32FAE79661CDA4E9F29964C374_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_67038FA0B7DB737CA36CE9F299641473" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_75736D32FAE79661CDA4E9F29964C374_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_75736D32FAE79661CDA4E9F29964C374" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_67038FA0B7DB737CA36CE9F299641473" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_75736D32FAE79661CDA4E9F29964C374" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SeniorSecuredCreditFacilitiesMember" xlink:label="loc_dell_SeniorSecuredCreditFacilitiesMember_5D07116FF651FCAC2FB0E9F29964C128" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_75736D32FAE79661CDA4E9F29964C374" xlink:to="loc_dell_SeniorSecuredCreditFacilitiesMember_5D07116FF651FCAC2FB0E9F29964C128" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FirstLienNotesMember" xlink:label="loc_dell_FirstLienNotesMember_E0B140B9FA27750BB518E9F2996482F4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_75736D32FAE79661CDA4E9F29964C374" xlink:to="loc_dell_FirstLienNotesMember_E0B140B9FA27750BB518E9F2996482F4" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_UnsecuredNotesandDebenturesMember" xlink:label="loc_dell_UnsecuredNotesandDebenturesMember_BBF31AAE0C9F5D04AD0AE9F2996512A1" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_75736D32FAE79661CDA4E9F29964C374" xlink:to="loc_dell_UnsecuredNotesandDebenturesMember_BBF31AAE0C9F5D04AD0AE9F2996512A1" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SeniorUnsecuredNotesMember" xlink:label="loc_dell_SeniorUnsecuredNotesMember_C8C3B9DE71193BB21A44E9F29965754B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_75736D32FAE79661CDA4E9F29964C374" xlink:to="loc_dell_SeniorUnsecuredNotesMember_C8C3B9DE71193BB21A44E9F29965754B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_EMCNotesMember" xlink:label="loc_dell_EMCNotesMember_8525BB771693237C4B42E9F299650F95" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_75736D32FAE79661CDA4E9F29964C374" xlink:to="loc_dell_EMCNotesMember_8525BB771693237C4B42E9F299650F95" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareNotesMember" xlink:label="loc_dell_VMwareNotesMember_80690BA6F65C07443DA5E9F299658C74" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_75736D32FAE79661CDA4E9F29964C374" xlink:to="loc_dell_VMwareNotesMember_80690BA6F65C07443DA5E9F299658C74" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_MarginLoanFacilityIssued2017DueApril2022Member" xlink:label="loc_dell_MarginLoanFacilityIssued2017DueApril2022Member_07E472A13A23BA207DA8E9F29965DB06" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_75736D32FAE79661CDA4E9F29964C374" xlink:to="loc_dell_MarginLoanFacilityIssued2017DueApril2022Member_07E472A13A23BA207DA8E9F29965DB06" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_6BAE8F29557105E9FBF7E9F299659ADD" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_FAE5BA8AB8039CD463AFE9F29962DB05" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_6BAE8F29557105E9FBF7E9F299659ADD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_F21CE0408D65EEF978AAE9F299665113_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_6BAE8F29557105E9FBF7E9F299659ADD" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_F21CE0408D65EEF978AAE9F299665113_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_F21CE0408D65EEF978AAE9F299665113" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_6BAE8F29557105E9FBF7E9F299659ADD" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_F21CE0408D65EEF978AAE9F299665113" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_18B46E90DC23304FD3F8E9F29966F9B3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_F21CE0408D65EEF978AAE9F299665113" xlink:to="loc_us-gaap_SecuredDebtMember_18B46E90DC23304FD3F8E9F29966F9B3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_A94AD851346149C0470CE9F29966189D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_F21CE0408D65EEF978AAE9F299665113" xlink:to="loc_us-gaap_UnsecuredDebtMember_A94AD851346149C0470CE9F29966189D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BridgeLoanMember" xlink:label="loc_us-gaap_BridgeLoanMember_48DB621828873AFEAE3DE9F299661A6C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_F21CE0408D65EEF978AAE9F299665113" xlink:to="loc_us-gaap_BridgeLoanMember_48DB621828873AFEAE3DE9F299661A6C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="loc_us-gaap_LongTermDebtFairValue_5867E8170261CABB3E10E9F29966221F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4FE84077C89D840FDBAFE9F29966147B" xlink:to="loc_us-gaap_LongTermDebtFairValue_5867E8170261CABB3E10E9F29966221F" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/FairValueMeasurementsAndInvestmentsHierarchyForAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_7FB7316D801C845EACD5E9F2997371D7" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_16053128E2BC6F85F73CE9F29971B980" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_7FB7316D801C845EACD5E9F2997371D7" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_16053128E2BC6F85F73CE9F29971B980" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0B1E5383EF721D585B8BE9F29971326A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_16053128E2BC6F85F73CE9F29971B980" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0B1E5383EF721D585B8BE9F29971326A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F31D95F601A3E071EEAAE9F29971582A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0B1E5383EF721D585B8BE9F29971326A" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F31D95F601A3E071EEAAE9F29971582A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F31D95F601A3E071EEAAE9F29971582A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0B1E5383EF721D585B8BE9F29971326A" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F31D95F601A3E071EEAAE9F29971582A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_E9626C8346FFFCE46080E9F2997109FA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F31D95F601A3E071EEAAE9F29971582A" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_E9626C8346FFFCE46080E9F2997109FA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_514D42FC8B75612727A2E9F29972344B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F31D95F601A3E071EEAAE9F29971582A" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_514D42FC8B75612727A2E9F29972344B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_29F228343196D5DAC978E9F29972719E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F31D95F601A3E071EEAAE9F29971582A" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_29F228343196D5DAC978E9F29972719E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAxis" xlink:label="loc_us-gaap_CashAndCashEquivalentsAxis_8A14D2AA5580F24E0D5AE9F299724E3E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_16053128E2BC6F85F73CE9F29971B980" xlink:to="loc_us-gaap_CashAndCashEquivalentsAxis_8A14D2AA5580F24E0D5AE9F299724E3E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_3246F9E2AEF7AD1699D1E9F2997210B6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_8A14D2AA5580F24E0D5AE9F299724E3E" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_3246F9E2AEF7AD1699D1E9F2997210B6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_3246F9E2AEF7AD1699D1E9F2997210B6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_8A14D2AA5580F24E0D5AE9F299724E3E" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_3246F9E2AEF7AD1699D1E9F2997210B6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="loc_us-gaap_MoneyMarketFundsMember_A1FBE4622312F106DD4EE9F299738832" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_3246F9E2AEF7AD1699D1E9F2997210B6" xlink:to="loc_us-gaap_MoneyMarketFundsMember_A1FBE4622312F106DD4EE9F299738832" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_6DB5E8A3B6739019C4B5E9F29973579D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_7FB7316D801C845EACD5E9F2997371D7" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_6DB5E8A3B6739019C4B5E9F29973579D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_4DAC6BBC89168659AB99E9F299736B7B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_6DB5E8A3B6739019C4B5E9F29973579D" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_4DAC6BBC89168659AB99E9F299736B7B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNi" xlink:label="loc_us-gaap_EquitySecuritiesFvNi_1BE8AE3E1F95E3C3C58AE9F29973E09F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_6DB5E8A3B6739019C4B5E9F29973579D" xlink:to="loc_us-gaap_EquitySecuritiesFvNi_1BE8AE3E1F95E3C3C58AE9F29973E09F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets_95AD996A10B87AF4A4D2E9F299744B5A" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_6DB5E8A3B6739019C4B5E9F29973579D" xlink:to="loc_us-gaap_DerivativeAssets_95AD996A10B87AF4A4D2E9F299744B5A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_7288D16C2B6E8BE3D70FE9F29974DF4A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_6DB5E8A3B6739019C4B5E9F29973579D" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_7288D16C2B6E8BE3D70FE9F29974DF4A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_086333CFBC24B7932E69E9F299742B05" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_7FB7316D801C845EACD5E9F2997371D7" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_086333CFBC24B7932E69E9F299742B05" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_us-gaap_DerivativeLiabilities_E67E0FB9FBD50587554AE9F299744AF8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_086333CFBC24B7932E69E9F299742B05" xlink:to="loc_us-gaap_DerivativeLiabilities_E67E0FB9FBD50587554AE9F299744AF8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_5DDD1AD3F54EF321C4C7E9F299742253" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_086333CFBC24B7932E69E9F299742B05" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_5DDD1AD3F54EF321C4C7E9F299742253" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/FairValueMeasurementsAndInvestmentsInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:href="dell-20200131.xsd#dell_ScheduleofAvailableforsaleSecuritiesandCostMethodInvestmentsLineItems" xlink:label="loc_dell_ScheduleofAvailableforsaleSecuritiesandCostMethodInvestmentsLineItems_E5FCE10520874A6F22DEEA71CF2A5511" xlink:type="locator" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ScheduleofAvailableforsaleSecuritiesandCostMethodInvestmentsTable" xlink:label="loc_dell_ScheduleofAvailableforsaleSecuritiesandCostMethodInvestmentsTable_89A5F5C181F53348F02AEA71CF293E3C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dell_ScheduleofAvailableforsaleSecuritiesandCostMethodInvestmentsLineItems_E5FCE10520874A6F22DEEA71CF2A5511" xlink:to="loc_dell_ScheduleofAvailableforsaleSecuritiesandCostMethodInvestmentsTable_89A5F5C181F53348F02AEA71CF293E3C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_25274CB7862BF189231EEA71CF29B2CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dell_ScheduleofAvailableforsaleSecuritiesandCostMethodInvestmentsTable_89A5F5C181F53348F02AEA71CF293E3C" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_25274CB7862BF189231EEA71CF29B2CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_A431A217B7B0F50C21C8EA71CF29EC4B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_25274CB7862BF189231EEA71CF29B2CC" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_A431A217B7B0F50C21C8EA71CF29EC4B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_A431A217B7B0F50C21C8EA71CF29EC4B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_25274CB7862BF189231EEA71CF29B2CC" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_A431A217B7B0F50C21C8EA71CF29EC4B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LongTermInvestmentsMember" xlink:label="loc_dell_LongTermInvestmentsMember_FF6F9184475085FD0922EA71CF2AB3F9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_A431A217B7B0F50C21C8EA71CF29EC4B" xlink:to="loc_dell_LongTermInvestmentsMember_FF6F9184475085FD0922EA71CF2AB3F9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValueAbstract" xlink:label="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValueAbstract_3776A7D43FDEF82B4A6DEA71CF2A6D6E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_ScheduleofAvailableforsaleSecuritiesandCostMethodInvestmentsLineItems_E5FCE10520874A6F22DEEA71CF2A5511" xlink:to="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValueAbstract_3776A7D43FDEF82B4A6DEA71CF2A6D6E" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_EquitySecuritiesWithoutReadilyDeterminableFairValueAtCost" xlink:label="loc_dell_EquitySecuritiesWithoutReadilyDeterminableFairValueAtCost_982E9E410D96EBB670ADEA71CF2A9C7F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValueAbstract_3776A7D43FDEF82B4A6DEA71CF2A6D6E" xlink:to="loc_dell_EquitySecuritiesWithoutReadilyDeterminableFairValueAtCost_982E9E410D96EBB670ADEA71CF2A9C7F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount_366306985CA24E01EDC8EA71CF2B5C7D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValueAbstract_3776A7D43FDEF82B4A6DEA71CF2A6D6E" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount_366306985CA24E01EDC8EA71CF2B5C7D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount_809DA0E457FCE9C7368CEA71CF309C00" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValueAbstract_3776A7D43FDEF82B4A6DEA71CF2A6D6E" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount_809DA0E457FCE9C7368CEA71CF309C00" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_4EF73166C17B13A07B63EA71CF300303" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValueAbstract_3776A7D43FDEF82B4A6DEA71CF2A6D6E" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_4EF73166C17B13A07B63EA71CF300303" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/FairValueMeasurementsAndInvestmentsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/FinancialServices" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/FinancialServicesAdditionalInformationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_44116D0E093FEA827CFAE9F2993E1C52" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_44116D0E093FEA827CFAE9F2993E1C52" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_556C0D1A18DA9DCBEBFBE9F2993E3B3F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_44116D0E093FEA827CFAE9F2993E1C52" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_556C0D1A18DA9DCBEBFBE9F2993E3B3F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BEBFFECEB2736E835932E9F2993FEF28_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_556C0D1A18DA9DCBEBFBE9F2993E3B3F" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BEBFFECEB2736E835932E9F2993FEF28_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BEBFFECEB2736E835932E9F2993FEF28" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_556C0D1A18DA9DCBEBFBE9F2993E3B3F" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BEBFFECEB2736E835932E9F2993FEF28" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsLeasedToOthersMember" xlink:label="loc_us-gaap_AssetsLeasedToOthersMember_82D568CBB1C265F7F1DFE9F2993F4191" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BEBFFECEB2736E835932E9F2993FEF28" xlink:to="loc_us-gaap_AssetsLeasedToOthersMember_82D568CBB1C265F7F1DFE9F2993F4191" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:label="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_ADCEBFB23252387FF5F5E9F2993F34E0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_44116D0E093FEA827CFAE9F2993E1C52" xlink:to="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_ADCEBFB23252387FF5F5E9F2993F34E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_7788DDDAA2F602A6502AE9F2993F2288_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_ADCEBFB23252387FF5F5E9F2993F34E0" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_7788DDDAA2F602A6502AE9F2993F2288_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_7788DDDAA2F602A6502AE9F2993F2288" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_ADCEBFB23252387FF5F5E9F2993F34E0" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_7788DDDAA2F602A6502AE9F2993F2288" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_7B5612F25023729BD75DE9F299403203" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_7788DDDAA2F602A6502AE9F2993F2288" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_7B5612F25023729BD75DE9F299403203" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CurrencyAxis" xlink:label="loc_srt_CurrencyAxis_D4B6928442D34EA34457E9F299407783" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_44116D0E093FEA827CFAE9F2993E1C52" xlink:to="loc_srt_CurrencyAxis_D4B6928442D34EA34457E9F299407783" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd#currency_AllCurrenciesDomain" xlink:label="loc_currency_AllCurrenciesDomain_83381B8C8429D0914F24E9F29940F2BE_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CurrencyAxis_D4B6928442D34EA34457E9F299407783" xlink:to="loc_currency_AllCurrenciesDomain_83381B8C8429D0914F24E9F29940F2BE_default" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd#currency_AllCurrenciesDomain" xlink:label="loc_currency_AllCurrenciesDomain_83381B8C8429D0914F24E9F29940F2BE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CurrencyAxis_D4B6928442D34EA34457E9F299407783" xlink:to="loc_currency_AllCurrenciesDomain_83381B8C8429D0914F24E9F29940F2BE" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd#currency_MXN" xlink:label="loc_currency_MXN_DCAE58E3C69EAA30FC5FE9F2994059E5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_currency_AllCurrenciesDomain_83381B8C8429D0914F24E9F29940F2BE" xlink:to="loc_currency_MXN_DCAE58E3C69EAA30FC5FE9F2994059E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_A563759A54A62B3047EBE9F29941FD43" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_44116D0E093FEA827CFAE9F2993E1C52" xlink:to="loc_us-gaap_VariableRateAxis_A563759A54A62B3047EBE9F29941FD43" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_28AC3C2727CD9758563DE9F29941B432_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_A563759A54A62B3047EBE9F29941FD43" xlink:to="loc_us-gaap_VariableRateDomain_28AC3C2727CD9758563DE9F29941B432_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_28AC3C2727CD9758563DE9F29941B432" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_A563759A54A62B3047EBE9F29941FD43" xlink:to="loc_us-gaap_VariableRateDomain_28AC3C2727CD9758563DE9F29941B432" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_3897D889D6C89E3712EFE9F29941AE4D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_28AC3C2727CD9758563DE9F29941B432" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_3897D889D6C89E3712EFE9F29941AE4D" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_MexicanInterbankEquilibriumInterestRateMember" xlink:label="loc_dell_MexicanInterbankEquilibriumInterestRateMember_4D2935E236AD280F0E48E9F299419668" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_28AC3C2727CD9758563DE9F29941B432" xlink:to="loc_dell_MexicanInterbankEquilibriumInterestRateMember_4D2935E236AD280F0E48E9F299419668" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_srt_StatementGeographicalAxis_9E94021B60DE96EB6D92E9F2994223D4" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_44116D0E093FEA827CFAE9F2993E1C52" xlink:to="loc_srt_StatementGeographicalAxis_9E94021B60DE96EB6D92E9F2994223D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_1B553BA758B1380C4037E9F29942D752_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_9E94021B60DE96EB6D92E9F2994223D4" xlink:to="loc_srt_SegmentGeographicalDomain_1B553BA758B1380C4037E9F29942D752_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_1B553BA758B1380C4037E9F29942D752" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_9E94021B60DE96EB6D92E9F2994223D4" xlink:to="loc_srt_SegmentGeographicalDomain_1B553BA758B1380C4037E9F29942D752" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_45C071BC3AC50CF649A5E9F299426E60" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_1B553BA758B1380C4037E9F29942D752" xlink:to="loc_country_US_45C071BC3AC50CF649A5E9F299426E60" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonUsMember" xlink:label="loc_us-gaap_NonUsMember_AD974491C3D3F3AF3E48E9F299423CA0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_1B553BA758B1380C4037E9F29942D752" xlink:to="loc_us-gaap_NonUsMember_AD974491C3D3F3AF3E48E9F299423CA0" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_CA" xlink:label="loc_country_CA_01BDD38C86B84144E497E9F299429764" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_1B553BA758B1380C4037E9F29942D752" xlink:to="loc_country_CA_01BDD38C86B84144E497E9F299429764" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_EuropeMember" xlink:label="loc_srt_EuropeMember_6E15B9C793F61694C9AAE9F29942D39D" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_1B553BA758B1380C4037E9F29942D752" xlink:to="loc_srt_EuropeMember_6E15B9C793F61694C9AAE9F29942D39D" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_AUSTRALIAAndNEWZEALANDMember" xlink:label="loc_dell_AUSTRALIAAndNEWZEALANDMember_3D8BC4EFFB00B0BFEE1FE9F2994329E8" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_1B553BA758B1380C4037E9F29942D752" xlink:to="loc_dell_AUSTRALIAAndNEWZEALANDMember_3D8BC4EFFB00B0BFEE1FE9F2994329E8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_73816548813053C9859CE9F299432EDA" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_44116D0E093FEA827CFAE9F2993E1C52" xlink:to="loc_us-gaap_DebtInstrumentAxis_73816548813053C9859CE9F299432EDA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_8C77A273C8D90225EF72E9F2994356A7_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_73816548813053C9859CE9F299432EDA" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_8C77A273C8D90225EF72E9F2994356A7_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_8C77A273C8D90225EF72E9F2994356A7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_73816548813053C9859CE9F299432EDA" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_8C77A273C8D90225EF72E9F2994356A7" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SecuritizationProgramMember" xlink:label="loc_dell_SecuritizationProgramMember_CD19FCF12659101BE445E9F299430F7E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_8C77A273C8D90225EF72E9F2994356A7" xlink:to="loc_dell_SecuritizationProgramMember_CD19FCF12659101BE445E9F299430F7E" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FixedTermSecuritizationProgramsMember" xlink:label="loc_dell_FixedTermSecuritizationProgramsMember_28BE0DCD90A7432FE615E9F29944A55E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_8C77A273C8D90225EF72E9F2994356A7" xlink:to="loc_dell_FixedTermSecuritizationProgramsMember_28BE0DCD90A7432FE615E9F29944A55E" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_OtherStructuredFinancingProgramsMember" xlink:label="loc_dell_OtherStructuredFinancingProgramsMember_68661A7C4EB0838096A5E9F299441583" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_8C77A273C8D90225EF72E9F2994356A7" xlink:to="loc_dell_OtherStructuredFinancingProgramsMember_68661A7C4EB0838096A5E9F299441583" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtDueDecember2020Member" xlink:label="loc_dell_DebtDueDecember2020Member_AFD614A12B6C485ABC1BE9F29944689D" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_8C77A273C8D90225EF72E9F2994356A7" xlink:to="loc_dell_DebtDueDecember2020Member_AFD614A12B6C485ABC1BE9F29944689D" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DellBankBondsMember" xlink:label="loc_dell_DellBankBondsMember_F8225EBBBF92B2DEDF7CE9F299445AC6" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_8C77A273C8D90225EF72E9F2994356A7" xlink:to="loc_dell_DellBankBondsMember_F8225EBBBF92B2DEDF7CE9F299445AC6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_BB05CE0544D627C54D87E9F299447CBF" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_44116D0E093FEA827CFAE9F2993E1C52" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_BB05CE0544D627C54D87E9F299447CBF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_9BE2814F44F4D07AEA7FE9F29944AB29_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_BB05CE0544D627C54D87E9F299447CBF" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_9BE2814F44F4D07AEA7FE9F29944AB29_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_9BE2814F44F4D07AEA7FE9F29944AB29" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_BB05CE0544D627C54D87E9F299447CBF" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_9BE2814F44F4D07AEA7FE9F29944AB29" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_23E7716EAE4E82331007E9F2994554F5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_9BE2814F44F4D07AEA7FE9F29944AB29" xlink:to="loc_us-gaap_SecuredDebtMember_23E7716EAE4E82331007E9F2994554F5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_14FBE77BF13137891170E9F2994591F1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_9BE2814F44F4D07AEA7FE9F29944AB29" xlink:to="loc_us-gaap_UnsecuredDebtMember_14FBE77BF13137891170E9F2994591F1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_B3368A190A7F8FF5F2A2E9F299455337" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_44116D0E093FEA827CFAE9F2993E1C52" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_B3368A190A7F8FF5F2A2E9F299455337" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_FC08A14B23C7AC68ACE1E9F29945F188_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_B3368A190A7F8FF5F2A2E9F299455337" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_FC08A14B23C7AC68ACE1E9F29945F188_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_FC08A14B23C7AC68ACE1E9F29945F188" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_B3368A190A7F8FF5F2A2E9F299455337" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_FC08A14B23C7AC68ACE1E9F29945F188" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_RevolvingLoanPortfolioSegmentMember" xlink:label="loc_dell_RevolvingLoanPortfolioSegmentMember_9FC8E83CE1263168231DE9F29945D933" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_FC08A14B23C7AC68ACE1E9F29945F188" xlink:to="loc_dell_RevolvingLoanPortfolioSegmentMember_9FC8E83CE1263168231DE9F29945D933" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeasesPortfolioSegmentMember" xlink:label="loc_us-gaap_FinanceLeasesPortfolioSegmentMember_F8403F36D5663BF8AF6FE9F29946AC80" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_FC08A14B23C7AC68ACE1E9F29945F188" xlink:to="loc_us-gaap_FinanceLeasesPortfolioSegmentMember_F8403F36D5663BF8AF6FE9F29946AC80" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FinanceLeasesandRevolvingLoanPortfolioSegmentsMember" xlink:label="loc_dell_FinanceLeasesandRevolvingLoanPortfolioSegmentsMember_4100CB0A0854D204BA81E9F29946DA4F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_FC08A14B23C7AC68ACE1E9F29945F188" xlink:to="loc_dell_FinanceLeasesandRevolvingLoanPortfolioSegmentsMember_4100CB0A0854D204BA81E9F29946DA4F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis" xlink:label="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_778431A8F6EF4624EC7EE9F29946F82F" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_44116D0E093FEA827CFAE9F2993E1C52" xlink:to="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_778431A8F6EF4624EC7EE9F29946F82F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain" xlink:label="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_6A6FF54D467EB14AB8E0E9F29946BF68_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_778431A8F6EF4624EC7EE9F29946F82F" xlink:to="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_6A6FF54D467EB14AB8E0E9F29946BF68_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain" xlink:label="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_6A6FF54D467EB14AB8E0E9F29946BF68" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_778431A8F6EF4624EC7EE9F29946F82F" xlink:to="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_6A6FF54D467EB14AB8E0E9F29946BF68" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommercialBorrowerMember" xlink:label="loc_us-gaap_CommercialBorrowerMember_B5727976E73A5EADD274E9F299466D7D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_6A6FF54D467EB14AB8E0E9F29946BF68" xlink:to="loc_us-gaap_CommercialBorrowerMember_B5727976E73A5EADD274E9F299466D7D" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_OtherBorrowerMember" xlink:label="loc_dell_OtherBorrowerMember_68CD439B5515C56CAFD8E9F299478517" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_6A6FF54D467EB14AB8E0E9F29946BF68" xlink:to="loc_dell_OtherBorrowerMember_68CD439B5515C56CAFD8E9F299478517" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_06563294900A868B8FF2E9F299476188" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_44116D0E093FEA827CFAE9F2993E1C52" xlink:to="loc_srt_RangeAxis_06563294900A868B8FF2E9F299476188" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_746BB13A95E2B32D41D4E9F2994710DB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_06563294900A868B8FF2E9F299476188" xlink:to="loc_srt_RangeMember_746BB13A95E2B32D41D4E9F2994710DB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_746BB13A95E2B32D41D4E9F2994710DB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_06563294900A868B8FF2E9F299476188" xlink:to="loc_srt_RangeMember_746BB13A95E2B32D41D4E9F2994710DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_FC1A4E2D3B4D55372CBFE9F299482096" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_746BB13A95E2B32D41D4E9F2994710DB" xlink:to="loc_srt_MinimumMember_FC1A4E2D3B4D55372CBFE9F299482096" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_35EC5EBDFF1921515DB9E9F29948A7BA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_746BB13A95E2B32D41D4E9F2994710DB" xlink:to="loc_srt_MaximumMember_35EC5EBDFF1921515DB9E9F29948A7BA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireLoansAndLeasesHeldForInvestment" xlink:label="loc_us-gaap_PaymentsToAcquireLoansAndLeasesHeldForInvestment_35D18B0FE4EB442E65E6E9F2994848FF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_PaymentsToAcquireLoansAndLeasesHeldForInvestment_35D18B0FE4EB442E65E6E9F2994848FF" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FinancingReceivablesRepaymentTerm" xlink:label="loc_dell_FinancingReceivablesRepaymentTerm_3EDD1CE6A0BB30EBB072E9F299489342" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_dell_FinancingReceivablesRepaymentTerm_3EDD1CE6A0BB30EBB072E9F299489342" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesTypeLeaseInterestIncomeLeaseReceivable" xlink:label="loc_us-gaap_SalesTypeLeaseInterestIncomeLeaseReceivable_29D22C9E184DBAB816A9E9F299482745" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_SalesTypeLeaseInterestIncomeLeaseReceivable_29D22C9E184DBAB816A9E9F299482745" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLeaseIncome" xlink:label="loc_us-gaap_OperatingLeaseLeaseIncome_EC976478F07CF70405DEE9F29949CDF7" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_OperatingLeaseLeaseIncome_EC976478F07CF70405DEE9F29949CDF7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_E1D8C8DA6902830C20A6E9F2994917EA" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_Depreciation_E1D8C8DA6902830C20A6E9F2994917EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_06C9C118A9CB4659168FE9F299497867" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_06C9C118A9CB4659168FE9F299497867" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_0563692D3F7949389375E9F29949F823" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_0563692D3F7949389375E9F29949F823" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_DC31BA2E80001377556AE9F299492492" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_DC31BA2E80001377556AE9F299492492" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_53864F79122F6CF34E64E9F29949897A" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_53864F79122F6CF34E64E9F29949897A" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LoansandLeasesReceivableCollateralforSecuredBorrowingsPledgedinPeriod" xlink:label="loc_dell_LoansandLeasesReceivableCollateralforSecuredBorrowingsPledgedinPeriod_192F08B977DEA42E9E21E9F2994AD168" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_dell_LoansandLeasesReceivableCollateralforSecuredBorrowingsPledgedinPeriod_192F08B977DEA42E9E21E9F2994AD168" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_2B180525CB0E410A7025E9F2994A7C47" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_2B180525CB0E410A7025E9F2994A7C47" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableSignificantSales" xlink:label="loc_us-gaap_FinancingReceivableSignificantSales_E6162CC7E2C9A8B3A75BE9F2994AE009" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_FinancingReceivableSignificantSales_E6162CC7E2C9A8B3A75BE9F2994AE009" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_AC48448D14DFA3845032E9F2994AD251" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_AC48448D14DFA3845032E9F2994AD251" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears_2BC39452BB44012453BEE9F2994A8FDE" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears_2BC39452BB44012453BEE9F2994A8FDE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInThreeYears_8D8C7CCF3417E0D79D35E9F2994A148F" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInThreeYears_8D8C7CCF3417E0D79D35E9F2994A148F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInFourYears_F4FD059653D423B3A266E9F2994B253D" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInFourYears_F4FD059653D423B3A266E9F2994B253D" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CapitalLeasesFutureMinimumPaymentsReceivableInFiveYearsAndThereafter" xlink:label="loc_dell_CapitalLeasesFutureMinimumPaymentsReceivableInFiveYearsAndThereafter_DB9516C40497B571216AE9F2994B30E8" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_dell_CapitalLeasesFutureMinimumPaymentsReceivableInFiveYearsAndThereafter_DB9516C40497B571216AE9F2994B30E8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="loc_us-gaap_DebtInstrumentTerm_4F6CF066409B01A99E9BE9F2994BD51D" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_E7E0FD5620DF26C76C22E9F299484D06" xlink:to="loc_us-gaap_DebtInstrumentTerm_4F6CF066409B01A99E9BE9F2994BD51D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/FinancialServicesAgingCustomerFinancingReceivablesGrossIncludingAccruedInterestDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_A3125AB25F998823EAC0E9F29922BDF6" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_E6927C8FD06F824CB1C0E9F2991EB557" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_A3125AB25F998823EAC0E9F29922BDF6" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_E6927C8FD06F824CB1C0E9F2991EB557" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablesPeriodPastDueAxis" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_A39AF0507A389CFBAD4EE9F2991EE6F4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_E6927C8FD06F824CB1C0E9F2991EB557" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_A39AF0507A389CFBAD4EE9F2991EE6F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_637E4FD13E7CD6F845F3E9F2991F4958_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_A39AF0507A389CFBAD4EE9F2991EE6F4" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_637E4FD13E7CD6F845F3E9F2991F4958_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_637E4FD13E7CD6F845F3E9F2991F4958" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_A39AF0507A389CFBAD4EE9F2991EE6F4" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_637E4FD13E7CD6F845F3E9F2991F4958" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FinancingReceivables1To89DaysPastDueMember" xlink:label="loc_dell_FinancingReceivables1To89DaysPastDueMember_1E6AEA541E71FFB81FE8E9F2991F35FC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_637E4FD13E7CD6F845F3E9F2991F4958" xlink:to="loc_dell_FinancingReceivables1To89DaysPastDueMember_1E6AEA541E71FFB81FE8E9F2991F35FC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember" xlink:label="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_2B1B2BC3E97CC631211DE9F2991F22B4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_637E4FD13E7CD6F845F3E9F2991F4958" xlink:to="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_2B1B2BC3E97CC631211DE9F2991F22B4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_468538B74CED64146EF3E9F299209C5A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_E6927C8FD06F824CB1C0E9F2991EB557" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_468538B74CED64146EF3E9F299209C5A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_833D1FAFF5C52CCCCDCAE9F29920466A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_468538B74CED64146EF3E9F299209C5A" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_833D1FAFF5C52CCCCDCAE9F29920466A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_833D1FAFF5C52CCCCDCAE9F29920466A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_468538B74CED64146EF3E9F299209C5A" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_833D1FAFF5C52CCCCDCAE9F29920466A" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_RevolvingLoanPortfolioSegmentMember" xlink:label="loc_dell_RevolvingLoanPortfolioSegmentMember_5E9E9D234BDFC8B06924E9F299201FAA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_833D1FAFF5C52CCCCDCAE9F29920466A" xlink:to="loc_dell_RevolvingLoanPortfolioSegmentMember_5E9E9D234BDFC8B06924E9F299201FAA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeasesPortfolioSegmentMember" xlink:label="loc_us-gaap_FinanceLeasesPortfolioSegmentMember_2FE53E5FA32A2191691EE9F29920B1E5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_833D1FAFF5C52CCCCDCAE9F29920466A" xlink:to="loc_us-gaap_FinanceLeasesPortfolioSegmentMember_2FE53E5FA32A2191691EE9F29920B1E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis" xlink:label="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_F87F60BBE643EA40EDC3E9F29920ADAC" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_E6927C8FD06F824CB1C0E9F2991EB557" xlink:to="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_F87F60BBE643EA40EDC3E9F29920ADAC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain" xlink:label="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_C84418B81BD71C9DC5F0E9F2992102B9_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_F87F60BBE643EA40EDC3E9F29920ADAC" xlink:to="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_C84418B81BD71C9DC5F0E9F2992102B9_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain" xlink:label="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_C84418B81BD71C9DC5F0E9F2992102B9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_F87F60BBE643EA40EDC3E9F29920ADAC" xlink:to="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_C84418B81BD71C9DC5F0E9F2992102B9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConsumerBorrowerMember" xlink:label="loc_us-gaap_ConsumerBorrowerMember_6F3A39984F7E78BA1EE2E9F299216751" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_C84418B81BD71C9DC5F0E9F2992102B9" xlink:to="loc_us-gaap_ConsumerBorrowerMember_6F3A39984F7E78BA1EE2E9F299216751" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SmallAndMediumCommercialBorrowerMember" xlink:label="loc_dell_SmallAndMediumCommercialBorrowerMember_44A88437277BE708CC32E9F29921F0EF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_C84418B81BD71C9DC5F0E9F2992102B9" xlink:to="loc_dell_SmallAndMediumCommercialBorrowerMember_44A88437277BE708CC32E9F29921F0EF" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ConsumerAndSmallCommercialBorrowerMember" xlink:label="loc_dell_ConsumerAndSmallCommercialBorrowerMember_1868C7EC08197502CEF1E9F29921B7EE" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_C84418B81BD71C9DC5F0E9F2992102B9" xlink:to="loc_dell_ConsumerAndSmallCommercialBorrowerMember_1868C7EC08197502CEF1E9F29921B7EE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_6774C0E308D77AB8ACA9E9F2992120A5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_E6927C8FD06F824CB1C0E9F2991EB557" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_6774C0E308D77AB8ACA9E9F2992120A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain_F7AA4B759BEEF52EC16BE9F2992144C6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_6774C0E308D77AB8ACA9E9F2992120A5" xlink:to="loc_us-gaap_ReceivableTypeDomain_F7AA4B759BEEF52EC16BE9F2992144C6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain_F7AA4B759BEEF52EC16BE9F2992144C6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_6774C0E308D77AB8ACA9E9F2992120A5" xlink:to="loc_us-gaap_ReceivableTypeDomain_F7AA4B759BEEF52EC16BE9F2992144C6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansAndFinanceReceivablesMember" xlink:label="loc_us-gaap_LoansAndFinanceReceivablesMember_6FC1F9840E2A9B6A23DCE9F299222B39" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_F7AA4B759BEEF52EC16BE9F2992144C6" xlink:to="loc_us-gaap_LoansAndFinanceReceivablesMember_6FC1F9840E2A9B6A23DCE9F299222B39" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentCurrent_F60D3874877B091EFD8AE9F29922F348" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_A3125AB25F998823EAC0E9F29922BDF6" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentCurrent_F60D3874877B091EFD8AE9F29922F348" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDue" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDue_7A13F685C02802D1374BE9F299234805" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_A3125AB25F998823EAC0E9F29922BDF6" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDue_7A13F685C02802D1374BE9F299234805" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesReceivableGross" xlink:label="loc_us-gaap_NotesReceivableGross_EC985EF3561DB427AAB9E9F299233262" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_A3125AB25F998823EAC0E9F29922BDF6" xlink:to="loc_us-gaap_NotesReceivableGross_EC985EF3561DB427AAB9E9F299233262" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/FinancialServicesCreditQualityIndicatorsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentLineItems" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_57C83A6296B8E780BAA4E9F2991641BA" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_A9B3D288C73338E72ACFE9F299126653" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_57C83A6296B8E780BAA4E9F2991641BA" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_A9B3D288C73338E72ACFE9F299126653" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditScoreFicoAxis" xlink:label="loc_us-gaap_CreditScoreFicoAxis_A956F26C033F69C439C6E9F299123175" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_A9B3D288C73338E72ACFE9F299126653" xlink:to="loc_us-gaap_CreditScoreFicoAxis_A956F26C033F69C439C6E9F299123175" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditScoreFicoDomain" xlink:label="loc_us-gaap_CreditScoreFicoDomain_8B3978A392A4FFBFF68DE9F299131017_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditScoreFicoAxis_A956F26C033F69C439C6E9F299123175" xlink:to="loc_us-gaap_CreditScoreFicoDomain_8B3978A392A4FFBFF68DE9F299131017_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditScoreFicoDomain" xlink:label="loc_us-gaap_CreditScoreFicoDomain_8B3978A392A4FFBFF68DE9F299131017" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditScoreFicoAxis_A956F26C033F69C439C6E9F299123175" xlink:to="loc_us-gaap_CreditScoreFicoDomain_8B3978A392A4FFBFF68DE9F299131017" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FICOScoreGreaterthan720Member" xlink:label="loc_dell_FICOScoreGreaterthan720Member_0E3D0E7C7429208F17E6E9F29913F93C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditScoreFicoDomain_8B3978A392A4FFBFF68DE9F299131017" xlink:to="loc_dell_FICOScoreGreaterthan720Member_0E3D0E7C7429208F17E6E9F29913F93C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FICOScore660to719Member" xlink:label="loc_dell_FICOScore660to719Member_7D057B4BE365B7A62FCAE9F29913C21C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditScoreFicoDomain_8B3978A392A4FFBFF68DE9F299131017" xlink:to="loc_dell_FICOScore660to719Member_7D057B4BE365B7A62FCAE9F29913C21C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FICOScoreLessThan660Member" xlink:label="loc_dell_FICOScoreLessThan660Member_640A75B0E5D77DAE8D14E9F299131C82" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditScoreFicoDomain_8B3978A392A4FFBFF68DE9F299131017" xlink:to="loc_dell_FICOScoreLessThan660Member_640A75B0E5D77DAE8D14E9F299131C82" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_F06C0B15D1FC4C52A313E9F29914982B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_A9B3D288C73338E72ACFE9F299126653" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_F06C0B15D1FC4C52A313E9F29914982B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_64FC39A2DEF19D332676E9F29914E3F9_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_F06C0B15D1FC4C52A313E9F29914982B" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_64FC39A2DEF19D332676E9F29914E3F9_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_64FC39A2DEF19D332676E9F29914E3F9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_F06C0B15D1FC4C52A313E9F29914982B" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_64FC39A2DEF19D332676E9F29914E3F9" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_RevolvingLoanPortfolioSegmentMember" xlink:label="loc_dell_RevolvingLoanPortfolioSegmentMember_09C9BA2CEBBE494A1DA4E9F299141C8E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_64FC39A2DEF19D332676E9F29914E3F9" xlink:to="loc_dell_RevolvingLoanPortfolioSegmentMember_09C9BA2CEBBE494A1DA4E9F299141C8E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeasesPortfolioSegmentMember" xlink:label="loc_us-gaap_FinanceLeasesPortfolioSegmentMember_DE1BFF2512A63773C35BE9F299144FB1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_64FC39A2DEF19D332676E9F29914E3F9" xlink:to="loc_us-gaap_FinanceLeasesPortfolioSegmentMember_DE1BFF2512A63773C35BE9F299144FB1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis" xlink:label="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_E521B2C191A02D2CEDCDE9F29915C415" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_A9B3D288C73338E72ACFE9F299126653" xlink:to="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_E521B2C191A02D2CEDCDE9F29915C415" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain" xlink:label="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_D1C3A972A8D26E0B4AE7E9F2991565C9_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_E521B2C191A02D2CEDCDE9F29915C415" xlink:to="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_D1C3A972A8D26E0B4AE7E9F2991565C9_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain" xlink:label="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_D1C3A972A8D26E0B4AE7E9F2991565C9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_E521B2C191A02D2CEDCDE9F29915C415" xlink:to="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_D1C3A972A8D26E0B4AE7E9F2991565C9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConsumerBorrowerMember" xlink:label="loc_us-gaap_ConsumerBorrowerMember_4E5D9C3B6F0231B4598AE9F29915BA8A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_D1C3A972A8D26E0B4AE7E9F2991565C9" xlink:to="loc_us-gaap_ConsumerBorrowerMember_4E5D9C3B6F0231B4598AE9F29915BA8A" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SmallAndMediumCommercialBorrowerMember" xlink:label="loc_dell_SmallAndMediumCommercialBorrowerMember_74A1BB162975FCAA5E5CE9F299164035" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_D1C3A972A8D26E0B4AE7E9F2991565C9" xlink:to="loc_dell_SmallAndMediumCommercialBorrowerMember_74A1BB162975FCAA5E5CE9F299164035" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ConsumerAndSmallCommercialBorrowerMember" xlink:label="loc_dell_ConsumerAndSmallCommercialBorrowerMember_BA9ACA9A2626A4137C90E9F29916067E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_D1C3A972A8D26E0B4AE7E9F2991565C9" xlink:to="loc_dell_ConsumerAndSmallCommercialBorrowerMember_BA9ACA9A2626A4137C90E9F29916067E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesReceivableGross" xlink:label="loc_us-gaap_NotesReceivableGross_47EB045A2CC2CFF2B076E9F299161407" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_57C83A6296B8E780BAA4E9F2991641BA" xlink:to="loc_us-gaap_NotesReceivableGross_47EB045A2CC2CFF2B076E9F299161407" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/FinancialServicesDfsDebtDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementLineItems" xlink:label="loc_us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementLineItems_0549EFA9F1BF10B7D255F82DC8C6A5B7" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementTable" xlink:label="loc_us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementTable_0006758DC88F20F92FEDF82DC8C2DC81" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementLineItems_0549EFA9F1BF10B7D255F82DC8C6A5B7" xlink:to="loc_us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementTable_0006758DC88F20F92FEDF82DC8C2DC81" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_B8FBDCB2BB2C65549C97F82DC8C24CCD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementTable_0006758DC88F20F92FEDF82DC8C2DC81" xlink:to="loc_us-gaap_DebtInstrumentAxis_B8FBDCB2BB2C65549C97F82DC8C24CCD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_66096902F499C8E1878AF82DC8C3345C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_B8FBDCB2BB2C65549C97F82DC8C24CCD" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_66096902F499C8E1878AF82DC8C3345C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_66096902F499C8E1878AF82DC8C3345C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_B8FBDCB2BB2C65549C97F82DC8C24CCD" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_66096902F499C8E1878AF82DC8C3345C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SecuritizationProgramMember" xlink:label="loc_dell_SecuritizationProgramMember_64BEBD72ABCC465AB65FF82DC8C3823F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_66096902F499C8E1878AF82DC8C3345C" xlink:to="loc_dell_SecuritizationProgramMember_64BEBD72ABCC465AB65FF82DC8C3823F" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FixedTermSecuritizationProgramsMember" xlink:label="loc_dell_FixedTermSecuritizationProgramsMember_C1B4B87BE5CD4C256A4FF82DC8C3FD04" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_66096902F499C8E1878AF82DC8C3345C" xlink:to="loc_dell_FixedTermSecuritizationProgramsMember_C1B4B87BE5CD4C256A4FF82DC8C3FD04" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_OtherStructuredFinancingProgramsMember" xlink:label="loc_dell_OtherStructuredFinancingProgramsMember_6897405E528198BC8817F82DC8C3A1A2" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_66096902F499C8E1878AF82DC8C3345C" xlink:to="loc_dell_OtherStructuredFinancingProgramsMember_6897405E528198BC8817F82DC8C3A1A2" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtDueDecember2020Member" xlink:label="loc_dell_DebtDueDecember2020Member_C3E9B6C17F884B631ACEF82DC8C36147" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_66096902F499C8E1878AF82DC8C3345C" xlink:to="loc_dell_DebtDueDecember2020Member_C3E9B6C17F884B631ACEF82DC8C36147" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DellBankBondsMember" xlink:label="loc_dell_DellBankBondsMember_C3E8101BC036F642AC98F82DC8C34C81" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_66096902F499C8E1878AF82DC8C3345C" xlink:to="loc_dell_DellBankBondsMember_C3E8101BC036F642AC98F82DC8C34C81" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_StructuredFinancingDebtMember" xlink:label="loc_dell_StructuredFinancingDebtMember_EEF4E58A291469A6ABFDF82DC8C4A757" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_66096902F499C8E1878AF82DC8C3345C" xlink:to="loc_dell_StructuredFinancingDebtMember_EEF4E58A291469A6ABFDF82DC8C4A757" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_02E4363F983DF81ADC7DF82DC8C47BA6" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementTable_0006758DC88F20F92FEDF82DC8C2DC81" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_02E4363F983DF81ADC7DF82DC8C47BA6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2C6B677884FF7EAF51D4F82DC8C4D750_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_02E4363F983DF81ADC7DF82DC8C47BA6" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2C6B677884FF7EAF51D4F82DC8C4D750_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2C6B677884FF7EAF51D4F82DC8C4D750" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_02E4363F983DF81ADC7DF82DC8C47BA6" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2C6B677884FF7EAF51D4F82DC8C4D750" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_6C2AB19813FDA6D1D0AAF82DC8C4CA63" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2C6B677884FF7EAF51D4F82DC8C4D750" xlink:to="loc_us-gaap_SecuredDebtMember_6C2AB19813FDA6D1D0AAF82DC8C4CA63" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_1D148A84F369C5ED8318F82DC8C48955" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2C6B677884FF7EAF51D4F82DC8C4D750" xlink:to="loc_us-gaap_UnsecuredDebtMember_1D148A84F369C5ED8318F82DC8C48955" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_srt_StatementGeographicalAxis_9FD2EC484A8058463229F82DC8C56019" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementTable_0006758DC88F20F92FEDF82DC8C2DC81" xlink:to="loc_srt_StatementGeographicalAxis_9FD2EC484A8058463229F82DC8C56019" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_743A955A9ADF1A19FA35F82DC8C5E4E8_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_9FD2EC484A8058463229F82DC8C56019" xlink:to="loc_srt_SegmentGeographicalDomain_743A955A9ADF1A19FA35F82DC8C5E4E8_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_743A955A9ADF1A19FA35F82DC8C5E4E8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_9FD2EC484A8058463229F82DC8C56019" xlink:to="loc_srt_SegmentGeographicalDomain_743A955A9ADF1A19FA35F82DC8C5E4E8" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_77E07DDFFAC4FFC33C8EF82DC8C598D3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_743A955A9ADF1A19FA35F82DC8C5E4E8" xlink:to="loc_country_US_77E07DDFFAC4FFC33C8EF82DC8C598D3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonUsMember" xlink:label="loc_us-gaap_NonUsMember_0D557B77A74A1601B4FCF82DC8C57286" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_743A955A9ADF1A19FA35F82DC8C5E4E8" xlink:to="loc_us-gaap_NonUsMember_0D557B77A74A1601B4FCF82DC8C57286" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_83AB80E18EF3333ADE7CF82DC8C66EBA" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementTable_0006758DC88F20F92FEDF82DC8C2DC81" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_83AB80E18EF3333ADE7CF82DC8C66EBA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_42B9443E1BF1DFA61754F82DC8C6D89A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_83AB80E18EF3333ADE7CF82DC8C66EBA" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_42B9443E1BF1DFA61754F82DC8C6D89A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_42B9443E1BF1DFA61754F82DC8C6D89A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_83AB80E18EF3333ADE7CF82DC8C66EBA" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_42B9443E1BF1DFA61754F82DC8C6D89A" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FinanceLeasesandRevolvingLoanPortfolioSegmentsMember" xlink:label="loc_dell_FinanceLeasesandRevolvingLoanPortfolioSegmentsMember_91A1F51DF5FA354F4C41F82DC8C6C242" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_42B9443E1BF1DFA61754F82DC8C6D89A" xlink:to="loc_dell_FinanceLeasesandRevolvingLoanPortfolioSegmentsMember_91A1F51DF5FA354F4C41F82DC8C6C242" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_81B7FD2C13892E7085FEF82DC8C6FD56" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementLineItems_0549EFA9F1BF10B7D255F82DC8C6A5B7" xlink:to="loc_us-gaap_LongTermDebt_81B7FD2C13892E7085FEF82DC8C6FD56" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_DFBF5B6766E22E4A4F70F82DC8C750E1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementLineItems_0549EFA9F1BF10B7D255F82DC8C6A5B7" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_DFBF5B6766E22E4A4F70F82DC8C750E1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_us-gaap_DebtCurrent_0DF7D1EF53BF289830EEF82DC8C7EC88" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementLineItems_0549EFA9F1BF10B7D255F82DC8C6A5B7" xlink:to="loc_us-gaap_DebtCurrent_0DF7D1EF53BF289830EEF82DC8C7EC88" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_43CE1470210C5EFCF368F82DC8C77F6B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementLineItems_0549EFA9F1BF10B7D255F82DC8C6A5B7" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_43CE1470210C5EFCF368F82DC8C77F6B" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/FinancialServicesFinanceLeasesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/FinancialServicesFinanceLeasesFutureMaturityDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_60B9836DB7AFDB1CD219EA71CEA3E0F8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_0B512276356DB1E7CD4FEA71CEA236C2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_60B9836DB7AFDB1CD219EA71CEA3E0F8" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_0B512276356DB1E7CD4FEA71CEA236C2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_58B803B8CC5FD04D0B1FEA71CEA24D22" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_0B512276356DB1E7CD4FEA71CEA236C2" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_58B803B8CC5FD04D0B1FEA71CEA24D22" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_D8B8A49A24A9E17A4742EA71CEA21E18_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_58B803B8CC5FD04D0B1FEA71CEA24D22" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_D8B8A49A24A9E17A4742EA71CEA21E18_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_D8B8A49A24A9E17A4742EA71CEA21E18" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_58B803B8CC5FD04D0B1FEA71CEA24D22" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_D8B8A49A24A9E17A4742EA71CEA21E18" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LeaseReceivableFixedTermLoansMember" xlink:label="loc_dell_LeaseReceivableFixedTermLoansMember_CC158649D94A2216C426EA71CEA35310" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_D8B8A49A24A9E17A4742EA71CEA21E18" xlink:to="loc_dell_LeaseReceivableFixedTermLoansMember_CC158649D94A2216C426EA71CEA35310" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LeaseReceivableRevolvingLoansMember" xlink:label="loc_dell_LeaseReceivableRevolvingLoansMember_78D03B845410AADEFA82EA71CEA35D4B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_D8B8A49A24A9E17A4742EA71CEA21E18" xlink:to="loc_dell_LeaseReceivableRevolvingLoansMember_78D03B845410AADEFA82EA71CEA35D4B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableFiscalYearMaturityAbstract" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableFiscalYearMaturityAbstract_992F152EDB0BBA59C630EA71CEA3BC03" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_60B9836DB7AFDB1CD219EA71CEA3E0F8" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableFiscalYearMaturityAbstract_992F152EDB0BBA59C630EA71CEA3BC03" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths_7842C8CFFB02CA71AE55EA71CEA3EA8B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableFiscalYearMaturityAbstract_992F152EDB0BBA59C630EA71CEA3BC03" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths_7842C8CFFB02CA71AE55EA71CEA3EA8B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears_38F206F8E089F3AD91ABEA71CEA41717" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableFiscalYearMaturityAbstract_992F152EDB0BBA59C630EA71CEA3BC03" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears_38F206F8E089F3AD91ABEA71CEA41717" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears_9FC6A24652D5FE987276EA71CEA47A1B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableFiscalYearMaturityAbstract_992F152EDB0BBA59C630EA71CEA3BC03" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears_9FC6A24652D5FE987276EA71CEA47A1B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears_9E57CF31B574F410E154EA71CEA40DB0" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableFiscalYearMaturityAbstract_992F152EDB0BBA59C630EA71CEA3BC03" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears_9E57CF31B574F410E154EA71CEA40DB0" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SalestypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYearsAndThereafter" xlink:label="loc_dell_SalestypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYearsAndThereafter_08256577E4739E5C0DBCEA71CEA4F7AC" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableFiscalYearMaturityAbstract_992F152EDB0BBA59C630EA71CEA3BC03" xlink:to="loc_dell_SalestypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYearsAndThereafter_08256577E4739E5C0DBCEA71CEA4F7AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_2E9E150391B19CFCDF0FEA71CEA4AF37" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableFiscalYearMaturityAbstract_992F152EDB0BBA59C630EA71CEA3BC03" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_2E9E150391B19CFCDF0FEA71CEA4AF37" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivable" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivable_9A015DE4C6F0B098ED75EA71CEA493DB" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableFiscalYearMaturityAbstract_992F152EDB0BBA59C630EA71CEA3BC03" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivable_9A015DE4C6F0B098ED75EA71CEA493DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableUndiscountedExcessAmount" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableUndiscountedExcessAmount_C4882FF66B2D26798FEDEA71CEA52A27" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableFiscalYearMaturityAbstract_992F152EDB0BBA59C630EA71CEA3BC03" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableUndiscountedExcessAmount_C4882FF66B2D26798FEDEA71CEA52A27" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/FinancialServicesFutureMaturitiesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/FinancialServicesOperatingLeasesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_FB1FF182BA3E3814B45EE9F298FE6AD5" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_D9F9BB38B55A1AD4B03FE9F298FDD58B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_FB1FF182BA3E3814B45EE9F298FE6AD5" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_D9F9BB38B55A1AD4B03FE9F298FDD58B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_E7CFB265D4F96ABD9ACDE9F298FD1BC5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_D9F9BB38B55A1AD4B03FE9F298FDD58B" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_E7CFB265D4F96ABD9ACDE9F298FD1BC5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7DB65BCAD16F3B6F1830E9F298FDCB19_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_E7CFB265D4F96ABD9ACDE9F298FD1BC5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7DB65BCAD16F3B6F1830E9F298FDCB19_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7DB65BCAD16F3B6F1830E9F298FDCB19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_E7CFB265D4F96ABD9ACDE9F298FD1BC5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7DB65BCAD16F3B6F1830E9F298FDCB19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsLeasedToOthersMember" xlink:label="loc_us-gaap_AssetsLeasedToOthersMember_5CF107F3D732D816DE0DE9F298FD2B85" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7DB65BCAD16F3B6F1830E9F298FDCB19" xlink:to="loc_us-gaap_AssetsLeasedToOthersMember_5CF107F3D732D816DE0DE9F298FD2B85" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_DF6EC858B1064BBABBFDE9F298FEF59A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_FB1FF182BA3E3814B45EE9F298FE6AD5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_DF6EC858B1064BBABBFDE9F298FEF59A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_5B357F3C0608BFE25758E9F298FE87A7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_FB1FF182BA3E3814B45EE9F298FE6AD5" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_5B357F3C0608BFE25758E9F298FE87A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_DA0F16017A892B9D8688E9F298FE013B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_FB1FF182BA3E3814B45EE9F298FE6AD5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_DA0F16017A892B9D8688E9F298FE013B" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/FinancialServicesScheduleOfChangesInAllowanceForFinancingReceivableLossesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_DBB075856D164B7A677DE9F2992A5D5B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_8E7CD0C681DFD2876165E9F299282617" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_DBB075856D164B7A677DE9F2992A5D5B" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_8E7CD0C681DFD2876165E9F299282617" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_CC3632B5008344FEC04CE9F29928815E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_8E7CD0C681DFD2876165E9F299282617" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_CC3632B5008344FEC04CE9F29928815E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_F0AF9E3B20C62E228640E9F2992823CB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_CC3632B5008344FEC04CE9F29928815E" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_F0AF9E3B20C62E228640E9F2992823CB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_F0AF9E3B20C62E228640E9F2992823CB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_CC3632B5008344FEC04CE9F29928815E" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_F0AF9E3B20C62E228640E9F2992823CB" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_RevolvingLoanPortfolioSegmentMember" xlink:label="loc_dell_RevolvingLoanPortfolioSegmentMember_FC687600EF66971C6932E9F299280F93" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_F0AF9E3B20C62E228640E9F2992823CB" xlink:to="loc_dell_RevolvingLoanPortfolioSegmentMember_FC687600EF66971C6932E9F299280F93" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeasesPortfolioSegmentMember" xlink:label="loc_us-gaap_FinanceLeasesPortfolioSegmentMember_308E9671104719780813E9F29929E875" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_F0AF9E3B20C62E228640E9F2992823CB" xlink:to="loc_us-gaap_FinanceLeasesPortfolioSegmentMember_308E9671104719780813E9F29929E875" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_6424A9161CD016FCAA8AE9F299294025" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_8E7CD0C681DFD2876165E9F299282617" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_6424A9161CD016FCAA8AE9F299294025" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain_C011C16C9CEBD0948C23E9F299291A23_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_6424A9161CD016FCAA8AE9F299294025" xlink:to="loc_us-gaap_ReceivableTypeDomain_C011C16C9CEBD0948C23E9F299291A23_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain_C011C16C9CEBD0948C23E9F299291A23" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_6424A9161CD016FCAA8AE9F299294025" xlink:to="loc_us-gaap_ReceivableTypeDomain_C011C16C9CEBD0948C23E9F299291A23" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansAndFinanceReceivablesMember" xlink:label="loc_us-gaap_LoansAndFinanceReceivablesMember_0269512F559F367D516CE9F299291693" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_C011C16C9CEBD0948C23E9F299291A23" xlink:to="loc_us-gaap_LoansAndFinanceReceivablesMember_0269512F559F367D516CE9F299291693" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_0A09694E0F95BDA17701E9F2992ADBBC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_DBB075856D164B7A677DE9F2992A5D5B" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_0A09694E0F95BDA17701E9F2992ADBBC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLosses" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_09F7FCEE0C28BFE97ABAE9F2992A7B44" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_0A09694E0F95BDA17701E9F2992ADBBC" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_09F7FCEE0C28BFE97ABAE9F2992A7B44" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_3C38143FDA1AFFB752B3E9F2992AC312" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_0A09694E0F95BDA17701E9F2992ADBBC" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_3C38143FDA1AFFB752B3E9F2992AC312" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProvisionForLoanLeaseAndOtherLosses" xlink:label="loc_us-gaap_ProvisionForLoanLeaseAndOtherLosses_AC1E6D7621D27F4EA1BDE9F2992AF1C4" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_0A09694E0F95BDA17701E9F2992ADBBC" xlink:to="loc_us-gaap_ProvisionForLoanLeaseAndOtherLosses_AC1E6D7621D27F4EA1BDE9F2992AF1C4" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/FinancialServicesScheduleOfComponentsOfCompanysFinancingReceivablesSegregatedByPortfolioSegmentDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_905E0CB101065C677DF1E9F299341ECE" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_1E175404F6F8C0C9280DE9F29931335B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_905E0CB101065C677DF1E9F299341ECE" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_1E175404F6F8C0C9280DE9F29931335B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_F4A92E00EFD1E9447395E9F299323EA9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_1E175404F6F8C0C9280DE9F29931335B" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_F4A92E00EFD1E9447395E9F299323EA9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_D0A04C5DE281602A3E3FE9F29932CECE_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_F4A92E00EFD1E9447395E9F299323EA9" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_D0A04C5DE281602A3E3FE9F29932CECE_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_D0A04C5DE281602A3E3FE9F29932CECE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_F4A92E00EFD1E9447395E9F299323EA9" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_D0A04C5DE281602A3E3FE9F29932CECE" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_RevolvingLoanPortfolioSegmentMember" xlink:label="loc_dell_RevolvingLoanPortfolioSegmentMember_ECF7F6BAED93A84E1E22E9F2993246F1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_D0A04C5DE281602A3E3FE9F29932CECE" xlink:to="loc_dell_RevolvingLoanPortfolioSegmentMember_ECF7F6BAED93A84E1E22E9F2993246F1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeasesPortfolioSegmentMember" xlink:label="loc_us-gaap_FinanceLeasesPortfolioSegmentMember_D9ACD4149B3827D24688E9F2993362E7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_D0A04C5DE281602A3E3FE9F29932CECE" xlink:to="loc_us-gaap_FinanceLeasesPortfolioSegmentMember_D9ACD4149B3827D24688E9F2993362E7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_1F5F50B8F00F940F1257E9F299336E86" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_1E175404F6F8C0C9280DE9F29931335B" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_1F5F50B8F00F940F1257E9F299336E86" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain_9BAA86916E604D832E92E9F299335973_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_1F5F50B8F00F940F1257E9F299336E86" xlink:to="loc_us-gaap_ReceivableTypeDomain_9BAA86916E604D832E92E9F299335973_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain_9BAA86916E604D832E92E9F299335973" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_1F5F50B8F00F940F1257E9F299336E86" xlink:to="loc_us-gaap_ReceivableTypeDomain_9BAA86916E604D832E92E9F299335973" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansAndFinanceReceivablesMember" xlink:label="loc_us-gaap_LoansAndFinanceReceivablesMember_892839B1454CDF3768F9E9F29933E5B2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_9BAA86916E604D832E92E9F299335973" xlink:to="loc_us-gaap_LoansAndFinanceReceivablesMember_892839B1454CDF3768F9E9F29933E5B2" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ResidualValuesOfLeasedPropertyMember" xlink:label="loc_dell_ResidualValuesOfLeasedPropertyMember_88F3712CDCFE310075DEE9F29933F220" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_9BAA86916E604D832E92E9F299335973" xlink:to="loc_dell_ResidualValuesOfLeasedPropertyMember_88F3712CDCFE310075DEE9F29933F220" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesReceivableGross" xlink:label="loc_us-gaap_NotesReceivableGross_9E267EBB3C7923706359E9F29934FEFB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_905E0CB101065C677DF1E9F299341ECE" xlink:to="loc_us-gaap_NotesReceivableGross_9E267EBB3C7923706359E9F29934FEFB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLosses" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_794050A1D3C48B614672E9F29934A94C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_905E0CB101065C677DF1E9F299341ECE" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_794050A1D3C48B614672E9F29934A94C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesReceivableNet" xlink:label="loc_us-gaap_NotesReceivableNet_FE2B7967074897202FD9E9F2993442AB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_905E0CB101065C677DF1E9F299341ECE" xlink:to="loc_us-gaap_NotesReceivableNet_FE2B7967074897202FD9E9F2993442AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesAndLoansReceivableNetCurrent" xlink:label="loc_us-gaap_NotesAndLoansReceivableNetCurrent_ABA2A21D58AB5443AC40E9F29934D6DD" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_905E0CB101065C677DF1E9F299341ECE" xlink:to="loc_us-gaap_NotesAndLoansReceivableNetCurrent_ABA2A21D58AB5443AC40E9F29934D6DD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesAndLoansReceivableNetNoncurrent" xlink:label="loc_us-gaap_NotesAndLoansReceivableNetNoncurrent_7A08C0D5630346BFA4A8E9F29935FAAB" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_905E0CB101065C677DF1E9F299341ECE" xlink:to="loc_us-gaap_NotesAndLoansReceivableNetNoncurrent_7A08C0D5630346BFA4A8E9F29935FAAB" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/FinancialServicesScheduleOfFinancingReceivablesHeldByConsolidatedViesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_C8C43B5ECCFC50FE60D3E9F298E7E131" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_5E58491D8EFA2E40721EE9F298E5965E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_C8C43B5ECCFC50FE60D3E9F298E7E131" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_5E58491D8EFA2E40721EE9F298E5965E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_61562410A42A4C6000EFE9F298E5D309" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_5E58491D8EFA2E40721EE9F298E5965E" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_61562410A42A4C6000EFE9F298E5D309" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_43FD4903CA4FF7874A4DE9F298E54619_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_61562410A42A4C6000EFE9F298E5D309" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_43FD4903CA4FF7874A4DE9F298E54619_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_43FD4903CA4FF7874A4DE9F298E54619" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_61562410A42A4C6000EFE9F298E5D309" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_43FD4903CA4FF7874A4DE9F298E54619" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FinancingReceivablesShorttermNetMember" xlink:label="loc_dell_FinancingReceivablesShorttermNetMember_D2E0A81E72895BC5052FE9F298E640CF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_43FD4903CA4FF7874A4DE9F298E54619" xlink:to="loc_dell_FinancingReceivablesShorttermNetMember_D2E0A81E72895BC5052FE9F298E640CF" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_FinancingReceivablesLongtermNetMember" xlink:label="loc_dell_FinancingReceivablesLongtermNetMember_6A7E05B9E70409CF9DB7E9F298E6D24F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_43FD4903CA4FF7874A4DE9F298E54619" xlink:to="loc_dell_FinancingReceivablesLongtermNetMember_6A7E05B9E70409CF9DB7E9F298E6D24F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:label="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_A0545B70D3889DEEF4C0E9F298E6FEEE" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_5E58491D8EFA2E40721EE9F298E5965E" xlink:to="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_A0545B70D3889DEEF4C0E9F298E6FEEE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_891E7573BE8DDB923CCCE9F298E6FEB5_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_A0545B70D3889DEEF4C0E9F298E6FEEE" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_891E7573BE8DDB923CCCE9F298E6FEB5_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_891E7573BE8DDB923CCCE9F298E6FEB5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_A0545B70D3889DEEF4C0E9F298E6FEEE" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_891E7573BE8DDB923CCCE9F298E6FEB5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_8ACCFB182C72BA2B4307E9F298E7AA87" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_891E7573BE8DDB923CCCE9F298E6FEB5" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_8ACCFB182C72BA2B4307E9F298E7AA87" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets" xlink:label="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_2DDD3FAC182DD4C93128E9F298E7FCEF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_C8C43B5ECCFC50FE60D3E9F298E7E131" xlink:to="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_2DDD3FAC182DD4C93128E9F298E7FCEF" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/FinancialServicesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/IncomeAndOtherTaxes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/IncomeAndOtherTaxesComponentsOfNetDeferredTaxAssetsLiabilitiesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/IncomeAndOtherTaxesIncomeLossFromContinuingOperationsBeforeIncomeTaxesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/IncomeAndOtherTaxesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems" xlink:label="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable" xlink:label="loc_us-gaap_OperatingLossCarryforwardsTable_599D94F266B492C9030612A3667D0B12" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_OperatingLossCarryforwardsTable_599D94F266B492C9030612A3667D0B12" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowanceByDeferredTaxAssetAxis" xlink:label="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_EB88B5FDF791D9A137EA12A3667D7D3D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_599D94F266B492C9030612A3667D0B12" xlink:to="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_EB88B5FDF791D9A137EA12A3667D7D3D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetDomain" xlink:label="loc_us-gaap_DeferredTaxAssetDomain_E8B4E9D34A1DBCE35CE212A3667EFFF4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_EB88B5FDF791D9A137EA12A3667D7D3D" xlink:to="loc_us-gaap_DeferredTaxAssetDomain_E8B4E9D34A1DBCE35CE212A3667EFFF4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetDomain" xlink:label="loc_us-gaap_DeferredTaxAssetDomain_E8B4E9D34A1DBCE35CE212A3667EFFF4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_EB88B5FDF791D9A137EA12A3667D7D3D" xlink:to="loc_us-gaap_DeferredTaxAssetDomain_E8B4E9D34A1DBCE35CE212A3667EFFF4" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TaxCreditCarryforwardMember" xlink:label="loc_dell_TaxCreditCarryforwardMember_781161B3C872EC5F0D3412A3667E8F48" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetDomain_E8B4E9D34A1DBCE35CE212A3667EFFF4" xlink:to="loc_dell_TaxCreditCarryforwardMember_781161B3C872EC5F0D3412A3667E8F48" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_EA4507E104D9BB3F705F12A3667EB38D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_599D94F266B492C9030612A3667D0B12" xlink:to="loc_dei_LegalEntityAxis_EA4507E104D9BB3F705F12A3667EB38D" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_5E1B6F244888DA4A264A12A3667E65C4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_EA4507E104D9BB3F705F12A3667EB38D" xlink:to="loc_dei_EntityDomain_5E1B6F244888DA4A264A12A3667E65C4_default" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_5E1B6F244888DA4A264A12A3667E65C4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_EA4507E104D9BB3F705F12A3667EB38D" xlink:to="loc_dei_EntityDomain_5E1B6F244888DA4A264A12A3667E65C4" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ForeignSubsidiariesMember" xlink:label="loc_dell_ForeignSubsidiariesMember_B4F14CC0C222C3D7CD5A12A3667F881B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_5E1B6F244888DA4A264A12A3667E65C4" xlink:to="loc_dell_ForeignSubsidiariesMember_B4F14CC0C222C3D7CD5A12A3667F881B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxAuthorityNameAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameAxis_6D8308BE3B5FF300440312A3667FDE24" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_599D94F266B492C9030612A3667D0B12" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameAxis_6D8308BE3B5FF300440312A3667FDE24" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_D72F2CE093A54C47B8E512A3667FF0EA_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_6D8308BE3B5FF300440312A3667FDE24" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_D72F2CE093A54C47B8E512A3667FF0EA_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_D72F2CE093A54C47B8E512A3667FF0EA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_6D8308BE3B5FF300440312A3667FDE24" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_D72F2CE093A54C47B8E512A3667FF0EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InternalRevenueServiceIRSMember" xlink:label="loc_us-gaap_InternalRevenueServiceIRSMember_F0C9AFF3EC78462C94D412A3667FDB00" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_D72F2CE093A54C47B8E512A3667FF0EA" xlink:to="loc_us-gaap_InternalRevenueServiceIRSMember_F0C9AFF3EC78462C94D412A3667FDB00" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_D8E6B38C693585FE879312A366857BB8" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_599D94F266B492C9030612A3667D0B12" xlink:to="loc_srt_RangeAxis_D8E6B38C693585FE879312A366857BB8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_B76EE4591A06966F5C1B12A366851A07_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_D8E6B38C693585FE879312A366857BB8" xlink:to="loc_srt_RangeMember_B76EE4591A06966F5C1B12A366851A07_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_B76EE4591A06966F5C1B12A366851A07" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_D8E6B38C693585FE879312A366857BB8" xlink:to="loc_srt_RangeMember_B76EE4591A06966F5C1B12A366851A07" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_467BD153EF0CF39758F012A36685141D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_B76EE4591A06966F5C1B12A366851A07" xlink:to="loc_srt_MinimumMember_467BD153EF0CF39758F012A36685141D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_6126DC86756DD5FF444312A366850687" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_B76EE4591A06966F5C1B12A366851A07" xlink:to="loc_srt_MaximumMember_6126DC86756DD5FF444312A366850687" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_94444DF2574DA180370B12A366869899" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_94444DF2574DA180370B12A366869899" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_7160E9BBFF497E0067F512B1F1A61F00" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_7160E9BBFF497E0067F512B1F1A61F00" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_298974F18FC48A72D09A12A36686C491" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_298974F18FC48A72D09A12A36686C491" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_EffectiveIncomeTaxRateReconciliationIntraEntityAssetTransfer" xlink:label="loc_dell_EffectiveIncomeTaxRateReconciliationIntraEntityAssetTransfer_279C6542A247A00D84BC12A3668691AE" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_dell_EffectiveIncomeTaxRateReconciliationIntraEntityAssetTransfer_279C6542A247A00D84BC12A3668691AE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit_C8F3474AF970E198E46912A366863DCE" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit_C8F3474AF970E198E46912A366863DCE" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpenseBenefit" xlink:label="loc_dell_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpenseBenefit_012E33A7031A43F69D1E12A36686CC76" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_dell_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpenseBenefit_012E33A7031A43F69D1E12A36686CC76" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense" xlink:label="loc_us-gaap_TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense_811F1D60DF53605A042A12A366874F5F" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense_811F1D60DF53605A042A12A366874F5F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses_7B39F03894D320B9BE1C12A366874C23" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses_7B39F03894D320B9BE1C12A366874C23" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_EffectiveIncomeTaxRateReconciliationAdoptionOfNewAccountingStandard" xlink:label="loc_dell_EffectiveIncomeTaxRateReconciliationAdoptionOfNewAccountingStandard_63DFC1C42FD50536AC1912A36687F478" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_dell_EffectiveIncomeTaxRateReconciliationAdoptionOfNewAccountingStandard_63DFC1C42FD50536AC1912A36687F478" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_3D7441CD3C291560D00012A366873C19" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_3D7441CD3C291560D00012A366873C19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxSettlements" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxSettlements_5FB750625188E17AF01312A366875132" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxSettlements_5FB750625188E17AF01312A366875132" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxHolidayAggregateDollarAmount" xlink:label="loc_us-gaap_IncomeTaxHolidayAggregateDollarAmount_0A58B17BB6FDB8EE963512A366882937" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_IncomeTaxHolidayAggregateDollarAmount_0A58B17BB6FDB8EE963512A366882937" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare" xlink:label="loc_us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare_B81AE8563417C4F6AA3612A36688AE73" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare_B81AE8563417C4F6AA3612A36688AE73" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UndistributedEarningsOfForeignSubsidiaries" xlink:label="loc_us-gaap_UndistributedEarningsOfForeignSubsidiaries_BCC3320847FBC30BD90812A36688851F" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_UndistributedEarningsOfForeignSubsidiaries_BCC3320847FBC30BD90812A36688851F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:label="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_77C4D5F230470EDAC01212A3668877F5" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_77C4D5F230470EDAC01212A3668877F5" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_UnrecognizedTaxBenefitsandIncomeTaxPenaltiesandInterestAccrued" xlink:label="loc_dell_UnrecognizedTaxBenefitsandIncomeTaxPenaltiesandInterestAccrued_858F880D0DFB963BEC2812A3668844D2" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_dell_UnrecognizedTaxBenefitsandIncomeTaxPenaltiesandInterestAccrued_858F880D0DFB963BEC2812A3668844D2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_7C9C4DA7AD905DF304D612A36688787C" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_7C9C4DA7AD905DF304D612A36688787C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_D23BB3520546C4425CF912A36689F1F8" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_D23BB3520546C4425CF912A36689F1F8" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_UnrecognizedTaxBenefitsInterestDeductions" xlink:label="loc_dell_UnrecognizedTaxBenefitsInterestDeductions_2DC427C50C73E41F3FCB12A36689FE1E" xlink:type="locator" />
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_dell_UnrecognizedTaxBenefitsInterestDeductions_2DC427C50C73E41F3FCB12A36689FE1E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_233F661326025786A92B12A36689C723" xlink:type="locator" />
    <link:definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_233F661326025786A92B12A36689C723" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions" xlink:label="loc_us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_7C8FF745B7231E775A1A12A366893D7F" xlink:type="locator" />
    <link:definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_7C8FF745B7231E775A1A12A366893D7F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible" xlink:label="loc_us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible_BABE1EFB765ABBD7FC2E12A36689FBEF" xlink:type="locator" />
    <link:definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_9D8843E20FF13BB8CAC512A366867BD7" xlink:to="loc_us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible_BABE1EFB765ABBD7FC2E12A36689FBEF" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/IncomeAndOtherTaxesProvisionForIncomeTaxesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/IncomeAndOtherTaxesReconciliationOfIncomeTaxBenefitFromContinuingOperationsDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/IncomeAndOtherTaxesReconciliationOfUnrecognizedTaxBenefitsDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/IncomeAndOtherTaxesSummaryOfNetOperatingLossCarryforwardsTaxCreditCarryforwardsAndOtherDeferredTaxAssetsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems" xlink:label="loc_us-gaap_OperatingLossCarryforwardsLineItems_3D77F976917A3DBEC00BE9F297D162E4" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable" xlink:label="loc_us-gaap_OperatingLossCarryforwardsTable_A54DE561A944F0EF1E19E9F297CFC8AC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_3D77F976917A3DBEC00BE9F297D162E4" xlink:to="loc_us-gaap_OperatingLossCarryforwardsTable_A54DE561A944F0EF1E19E9F297CFC8AC" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowanceByDeferredTaxAssetAxis" xlink:label="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_7A3A9A3408295CA95257E9F297D03DE9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_A54DE561A944F0EF1E19E9F297CFC8AC" xlink:to="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_7A3A9A3408295CA95257E9F297D03DE9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetDomain" xlink:label="loc_us-gaap_DeferredTaxAssetDomain_0001821D967AA2DE7A5BE9F297D040C8_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_7A3A9A3408295CA95257E9F297D03DE9" xlink:to="loc_us-gaap_DeferredTaxAssetDomain_0001821D967AA2DE7A5BE9F297D040C8_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetDomain" xlink:label="loc_us-gaap_DeferredTaxAssetDomain_0001821D967AA2DE7A5BE9F297D040C8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_7A3A9A3408295CA95257E9F297D03DE9" xlink:to="loc_us-gaap_DeferredTaxAssetDomain_0001821D967AA2DE7A5BE9F297D040C8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowanceTaxCreditCarryforwardMember" xlink:label="loc_us-gaap_ValuationAllowanceTaxCreditCarryforwardMember_E46D7CFCD2ED7CA3CCA6E9F297D06893" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetDomain_0001821D967AA2DE7A5BE9F297D040C8" xlink:to="loc_us-gaap_ValuationAllowanceTaxCreditCarryforwardMember_E46D7CFCD2ED7CA3CCA6E9F297D06893" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowanceOperatingLossCarryforwardsMember" xlink:label="loc_us-gaap_ValuationAllowanceOperatingLossCarryforwardsMember_EE7A92E298767EE61A5AE9F297D06679" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetDomain_0001821D967AA2DE7A5BE9F297D040C8" xlink:to="loc_us-gaap_ValuationAllowanceOperatingLossCarryforwardsMember_EE7A92E298767EE61A5AE9F297D06679" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ValuationAllowanceDeferredTaxAssetOtherMember" xlink:label="loc_dell_ValuationAllowanceDeferredTaxAssetOtherMember_275D3C7BA82BB59B0561E9F297D14728" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetDomain_0001821D967AA2DE7A5BE9F297D040C8" xlink:to="loc_dell_ValuationAllowanceDeferredTaxAssetOtherMember_275D3C7BA82BB59B0561E9F297D14728" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_718DE8D191AE52767F31E9F297D10FDC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_3D77F976917A3DBEC00BE9F297D162E4" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_718DE8D191AE52767F31E9F297D10FDC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_A89C4CF6ED3DF1571B90E9F297D1C290" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_3D77F976917A3DBEC00BE9F297D162E4" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_A89C4CF6ED3DF1571B90E9F297D1C290" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_49846ED5AEBA0AD89DE7E9F297D17136" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_3D77F976917A3DBEC00BE9F297D162E4" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_49846ED5AEBA0AD89DE7E9F297D17136" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/IncomeAndOtherTaxesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/Leases" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/LeasesComponentsOfLeaseExpenseDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/LeasesFutureMinimumLeasePaymentsDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/LeasesMaturityOfOperatingLeasesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/LeasesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeLeaseDescriptionLineItems" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_29E252EDE67D1CD71756E9F298070798" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeLeaseDescriptionTable" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_C2186CC75D821F6AB340E9F298059B42" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_29E252EDE67D1CD71756E9F298070798" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_C2186CC75D821F6AB340E9F298059B42" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_E33A538910B323DFCCEFE9F29806189D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_C2186CC75D821F6AB340E9F298059B42" xlink:to="loc_srt_RangeAxis_E33A538910B323DFCCEFE9F29806189D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_9FD1A145BB82A96276A8E9F298069BF4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_E33A538910B323DFCCEFE9F29806189D" xlink:to="loc_srt_RangeMember_9FD1A145BB82A96276A8E9F298069BF4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_9FD1A145BB82A96276A8E9F298069BF4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_E33A538910B323DFCCEFE9F29806189D" xlink:to="loc_srt_RangeMember_9FD1A145BB82A96276A8E9F298069BF4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_AFEBEABABF96E14F7942E9F298060B31" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_9FD1A145BB82A96276A8E9F298069BF4" xlink:to="loc_srt_MinimumMember_AFEBEABABF96E14F7942E9F298060B31" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_E027475460BAD3FD30F7E9F298071E80" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_9FD1A145BB82A96276A8E9F298069BF4" xlink:to="loc_srt_MaximumMember_E027475460BAD3FD30F7E9F298071E80" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LesseeOperatingLeaseLeaseNotYetCommencedLiability" xlink:label="loc_dell_LesseeOperatingLeaseLeaseNotYetCommencedLiability_9386D2041B4EC81A2AE2E9F2980740DB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_29E252EDE67D1CD71756E9F298070798" xlink:to="loc_dell_LesseeOperatingLeaseLeaseNotYetCommencedLiability_9386D2041B4EC81A2AE2E9F2980740DB" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_LesseeOperatingLeaseRemainingLeaseTerm" xlink:label="loc_dell_LesseeOperatingLeaseRemainingLeaseTerm_FE4BCE29C5489E45E0F0E9F29807CC42" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_29E252EDE67D1CD71756E9F298070798" xlink:to="loc_dell_LesseeOperatingLeaseRemainingLeaseTerm_FE4BCE29C5489E45E0F0E9F29807CC42" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1" xlink:label="loc_us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1_6603F61AC81C7D637D80E9F298079D7D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_29E252EDE67D1CD71756E9F298070798" xlink:to="loc_us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1_6603F61AC81C7D637D80E9F298079D7D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/LeasesSupplementalCashFlowInformationDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/LeasesSupplementalInformationRelatedToOperatingLeasesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/LeasesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/NonControllingInterests" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/NonControllingInterestsAdditionalInformationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterestLineItems" xlink:label="loc_us-gaap_MinorityInterestLineItems_D966CFA4552C4CBE13CBE9F297A9CDD1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterestTable" xlink:label="loc_us-gaap_MinorityInterestTable_CECD4A031ED5934A69CBE9F297A725C4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MinorityInterestLineItems_D966CFA4552C4CBE13CBE9F297A9CDD1" xlink:to="loc_us-gaap_MinorityInterestTable_CECD4A031ED5934A69CBE9F297A725C4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipAxis" xlink:label="loc_srt_OwnershipAxis_16689A99B3ECD8A3105EE9F297A7A058" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_CECD4A031ED5934A69CBE9F297A725C4" xlink:to="loc_srt_OwnershipAxis_16689A99B3ECD8A3105EE9F297A7A058" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipDomain" xlink:label="loc_srt_OwnershipDomain_FD6D8B1CCDBC35DE0AAAE9F297A8E095_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_16689A99B3ECD8A3105EE9F297A7A058" xlink:to="loc_srt_OwnershipDomain_FD6D8B1CCDBC35DE0AAAE9F297A8E095_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipDomain" xlink:label="loc_srt_OwnershipDomain_FD6D8B1CCDBC35DE0AAAE9F297A8E095" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_16689A99B3ECD8A3105EE9F297A7A058" xlink:to="loc_srt_OwnershipDomain_FD6D8B1CCDBC35DE0AAAE9F297A8E095" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_A254D2C0B80AE5B95DAAE9F297A8D8DD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_FD6D8B1CCDBC35DE0AAAE9F297A8E095" xlink:to="loc_dell_VMwareInc.Member_A254D2C0B80AE5B95DAAE9F297A8D8DD" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_PivotalMember" xlink:label="loc_dell_PivotalMember_F9F6A10AB2030A5FAEDFE9F297A8CF77" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_FD6D8B1CCDBC35DE0AAAE9F297A8E095" xlink:to="loc_dell_PivotalMember_F9F6A10AB2030A5FAEDFE9F297A8CF77" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SecureWorksCorp.Member" xlink:label="loc_dell_SecureWorksCorp.Member_30C9D544AC8BBD503167E9F297A89E06" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_FD6D8B1CCDBC35DE0AAAE9F297A8E095" xlink:to="loc_dell_SecureWorksCorp.Member_30C9D544AC8BBD503167E9F297A89E06" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_2FBD30D96EBACB12011DE9F297A99CB6" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_CECD4A031ED5934A69CBE9F297A725C4" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_2FBD30D96EBACB12011DE9F297A99CB6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_6FCFB59E6E0FB19C2395E9F297A91671_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_2FBD30D96EBACB12011DE9F297A99CB6" xlink:to="loc_us-gaap_EquityComponentDomain_6FCFB59E6E0FB19C2395E9F297A91671_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_6FCFB59E6E0FB19C2395E9F297A91671" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_2FBD30D96EBACB12011DE9F297A99CB6" xlink:to="loc_us-gaap_EquityComponentDomain_6FCFB59E6E0FB19C2395E9F297A91671" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_561A4B055D529328C1BCE9F297A99A9A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_6FCFB59E6E0FB19C2395E9F297A91671" xlink:to="loc_us-gaap_NoncontrollingInterestMember_561A4B055D529328C1BCE9F297A99A9A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_D8FFE796A17289E0341BE9F297AAB19C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_D966CFA4552C4CBE13CBE9F297A9CDD1" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_D8FFE796A17289E0341BE9F297AAB19C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_32B6473026780848F307E9F297AA368E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_D966CFA4552C4CBE13CBE9F297A9CDD1" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_32B6473026780848F307E9F297AA368E" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_NoncontrollingInterestOwnershipPercentagebyParentIncludingRestrictedStockAwards" xlink:label="loc_dell_NoncontrollingInterestOwnershipPercentagebyParentIncludingRestrictedStockAwards_0680D9AB9D8D1105A93EE9F297AA8257" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_D966CFA4552C4CBE13CBE9F297A9CDD1" xlink:to="loc_dell_NoncontrollingInterestOwnershipPercentagebyParentIncludingRestrictedStockAwards_0680D9AB9D8D1105A93EE9F297AA8257" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/NonControllingInterestsEffectOfChangesInOwnershipInterestsOfLessThanWhollyOwnedSubsidiariesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/NonControllingInterestsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/RedeemableShares" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/RedeemableSharesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TemporaryEquityLineItems" xlink:label="loc_us-gaap_TemporaryEquityLineItems_3E0EE71D2960403618EDE9F296083CEF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TemporaryEquityByClassOfStockTable" xlink:label="loc_us-gaap_TemporaryEquityByClassOfStockTable_07E61BBAE06A972F959CE9F29606C148" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_TemporaryEquityLineItems_3E0EE71D2960403618EDE9F296083CEF" xlink:to="loc_us-gaap_TemporaryEquityByClassOfStockTable_07E61BBAE06A972F959CE9F29606C148" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_83F456FCB12A0BC224B8E9F296066731" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_TemporaryEquityByClassOfStockTable_07E61BBAE06A972F959CE9F29606C148" xlink:to="loc_us-gaap_AwardTypeAxis_83F456FCB12A0BC224B8E9F296066731" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E089FE63FAFC6B1BB83BE9F29607F057_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_83F456FCB12A0BC224B8E9F296066731" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E089FE63FAFC6B1BB83BE9F29607F057_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E089FE63FAFC6B1BB83BE9F29607F057" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_83F456FCB12A0BC224B8E9F296066731" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E089FE63FAFC6B1BB83BE9F29607F057" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_E7C24DFBC03C808C6F65E9F296072D79" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E089FE63FAFC6B1BB83BE9F29607F057" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_E7C24DFBC03C808C6F65E9F296072D79" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_B0D9608FC215C0938CC9E9F2960789C0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E089FE63FAFC6B1BB83BE9F29607F057" xlink:to="loc_us-gaap_RestrictedStockMember_B0D9608FC215C0938CC9E9F2960789C0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_7E81EE782E1FA77BA2D3E9F296073947" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E089FE63FAFC6B1BB83BE9F29607F057" xlink:to="loc_us-gaap_EmployeeStockOptionMember_7E81EE782E1FA77BA2D3E9F296073947" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_AEC6FC92B1B73B2F7EBEE9F296079FD8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_TemporaryEquityByClassOfStockTable_07E61BBAE06A972F959CE9F29606C148" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_AEC6FC92B1B73B2F7EBEE9F296079FD8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_C196A004730AAA7CDCA0E9F29608D2B3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_AEC6FC92B1B73B2F7EBEE9F296079FD8" xlink:to="loc_us-gaap_EquityComponentDomain_C196A004730AAA7CDCA0E9F29608D2B3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_C196A004730AAA7CDCA0E9F29608D2B3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_AEC6FC92B1B73B2F7EBEE9F296079FD8" xlink:to="loc_us-gaap_EquityComponentDomain_C196A004730AAA7CDCA0E9F29608D2B3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_973ADE908FDEC5288B72E9F29608DB4A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_C196A004730AAA7CDCA0E9F29608D2B3" xlink:to="loc_us-gaap_CommonStockMember_973ADE908FDEC5288B72E9F29608DB4A" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAndEquityInstrumentsOtherthanOptionsPutFeatureHoldingPeriod" xlink:label="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAndEquityInstrumentsOtherthanOptionsPutFeatureHoldingPeriod_F311ED1C2A54EFBA07ADE9F296088094" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_3E0EE71D2960403618EDE9F296083CEF" xlink:to="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAndEquityInstrumentsOtherthanOptionsPutFeatureHoldingPeriod_F311ED1C2A54EFBA07ADE9F296088094" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndEquityInstrumentsOtherThanOptionsPutFeatureExpirationPeriod" xlink:label="loc_dell_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndEquityInstrumentsOtherThanOptionsPutFeatureExpirationPeriod_7500DEA8A2597AC50229E9F296096997" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_3E0EE71D2960403618EDE9F296083CEF" xlink:to="loc_dell_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndEquityInstrumentsOtherThanOptionsPutFeatureExpirationPeriod_7500DEA8A2597AC50229E9F296096997" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_5DA924C2ABF5FC33CBFCE9F29609679D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_3E0EE71D2960403618EDE9F296083CEF" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_5DA924C2ABF5FC33CBFCE9F29609679D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TemporaryEquitySharesIssued" xlink:label="loc_us-gaap_TemporaryEquitySharesIssued_77DFCA5924F062230EAEE9F296091D02" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_3E0EE71D2960403618EDE9F296083CEF" xlink:to="loc_us-gaap_TemporaryEquitySharesIssued_77DFCA5924F062230EAEE9F296091D02" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TemporaryEquitySharesOutstanding" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding_D89909D0BF35FDA63FB9E9F29609332D" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_3E0EE71D2960403618EDE9F296083CEF" xlink:to="loc_us-gaap_TemporaryEquitySharesOutstanding_D89909D0BF35FDA63FB9E9F29609332D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/RedeemableSharesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/RelatedPartyTransactions" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/RetirementPlanBenefits" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/RetirementPlanBenefitsChangeInFairValueOfPlanAssetsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_88FF04178C0D3F021F5DE9F295E20370" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_34F1D3F7BE1CEEC58391E9F295DCEACE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_88FF04178C0D3F021F5DE9F295E20370" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_34F1D3F7BE1CEEC58391E9F295DCEACE" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanSponsorLocationAxis" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationAxis_2EF581F1FB3D2F8669A0E9F295E1B671" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_34F1D3F7BE1CEEC58391E9F295DCEACE" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationAxis_2EF581F1FB3D2F8669A0E9F295E1B671" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanSponsorLocationDomain" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationDomain_55CEC9C5F165B141DF55E9F295E16EF8_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationAxis_2EF581F1FB3D2F8669A0E9F295E1B671" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationDomain_55CEC9C5F165B141DF55E9F295E16EF8_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanSponsorLocationDomain" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationDomain_55CEC9C5F165B141DF55E9F295E16EF8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationAxis_2EF581F1FB3D2F8669A0E9F295E1B671" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationDomain_55CEC9C5F165B141DF55E9F295E16EF8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DomesticPlanMember" xlink:label="loc_us-gaap_DomesticPlanMember_3308789B51CAE22D679AE9F295E1885E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationDomain_55CEC9C5F165B141DF55E9F295E16EF8" xlink:to="loc_us-gaap_DomesticPlanMember_3308789B51CAE22D679AE9F295E1885E" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_BBB6B1067C05F295D0A1E9F295E2964B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DomesticPlanMember_3308789B51CAE22D679AE9F295E1885E" xlink:to="loc_country_US_BBB6B1067C05F295D0A1E9F295E2964B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_9262CE94A6B26659D9B7E9F295E2AB27" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_88FF04178C0D3F021F5DE9F295E20370" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_9262CE94A6B26659D9B7E9F295E2AB27" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_C9621EAFA5AAA09548AFE9F295E35ECE" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_88FF04178C0D3F021F5DE9F295E20370" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitObligation_C9621EAFA5AAA09548AFE9F295E35ECE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_CEC3411ADA96E6459AADE9F295E3AB83" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_88FF04178C0D3F021F5DE9F295E20370" xlink:to="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_CEC3411ADA96E6459AADE9F295E3AB83" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/RetirementPlanBenefitsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F1ECF3DD509E52376F47E9F295C989AF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_D01263690769269DAC5FE9F295C745B5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F1ECF3DD509E52376F47E9F295C989AF" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_D01263690769269DAC5FE9F295C745B5" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanSponsorLocationAxis" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationAxis_D4BF2BE1138E056E9C2AE9F295C76EC8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_D01263690769269DAC5FE9F295C745B5" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationAxis_D4BF2BE1138E056E9C2AE9F295C76EC8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanSponsorLocationDomain" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationDomain_6DD948DA76C7B2C1E95DE9F295C79972_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationAxis_D4BF2BE1138E056E9C2AE9F295C76EC8" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationDomain_6DD948DA76C7B2C1E95DE9F295C79972_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanSponsorLocationDomain" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationDomain_6DD948DA76C7B2C1E95DE9F295C79972" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationAxis_D4BF2BE1138E056E9C2AE9F295C76EC8" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationDomain_6DD948DA76C7B2C1E95DE9F295C79972" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DomesticPlanMember" xlink:label="loc_us-gaap_DomesticPlanMember_E2EC163529D7C74A1785E9F295C76832" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationDomain_6DD948DA76C7B2C1E95DE9F295C79972" xlink:to="loc_us-gaap_DomesticPlanMember_E2EC163529D7C74A1785E9F295C76832" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_557F5D66D2435880E616E9F295C829F4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DomesticPlanMember_E2EC163529D7C74A1785E9F295C76832" xlink:to="loc_country_US_557F5D66D2435880E616E9F295C829F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignPlanMember" xlink:label="loc_us-gaap_ForeignPlanMember_15273A5E57ACB2DFC1F3E9F295C80497" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationDomain_6DD948DA76C7B2C1E95DE9F295C79972" xlink:to="loc_us-gaap_ForeignPlanMember_15273A5E57ACB2DFC1F3E9F295C80497" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanNameAxis" xlink:label="loc_us-gaap_RetirementPlanNameAxis_3FEA931AA2AFD69DBCB2E9F295C8F023" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_D01263690769269DAC5FE9F295C745B5" xlink:to="loc_us-gaap_RetirementPlanNameAxis_3FEA931AA2AFD69DBCB2E9F295C8F023" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanNameDomain" xlink:label="loc_us-gaap_RetirementPlanNameDomain_EAA3C7E9A313F0B1E7DDE9F295C81CB8_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanNameAxis_3FEA931AA2AFD69DBCB2E9F295C8F023" xlink:to="loc_us-gaap_RetirementPlanNameDomain_EAA3C7E9A313F0B1E7DDE9F295C81CB8_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanNameDomain" xlink:label="loc_us-gaap_RetirementPlanNameDomain_EAA3C7E9A313F0B1E7DDE9F295C81CB8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanNameAxis_3FEA931AA2AFD69DBCB2E9F295C8F023" xlink:to="loc_us-gaap_RetirementPlanNameDomain_EAA3C7E9A313F0B1E7DDE9F295C81CB8" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_Dell401kPlanMember" xlink:label="loc_dell_Dell401kPlanMember_623578493CC1F70A377EE9F295C9A31A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanNameDomain_EAA3C7E9A313F0B1E7DDE9F295C81CB8" xlink:to="loc_dell_Dell401kPlanMember_623578493CC1F70A377EE9F295C9A31A" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_EMC401kPlanMember" xlink:label="loc_dell_EMC401kPlanMember_F3B85CBFBB03742829F5E9F295C9CB2A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanNameDomain_EAA3C7E9A313F0B1E7DDE9F295C81CB8" xlink:to="loc_dell_EMC401kPlanMember_F3B85CBFBB03742829F5E9F295C9CB2A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_AFAFEEE3B496D5665787E9F295C97D9A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F1ECF3DD509E52376F47E9F295C989AF" xlink:to="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_AFAFEEE3B496D5665787E9F295C97D9A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_C630CC25150DDA4790D7E9F295C9F8E1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_AFAFEEE3B496D5665787E9F295C97D9A" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_C630CC25150DDA4790D7E9F295C9F8E1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_D76DEA87501853B298CDE9F295CAB930" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_AFAFEEE3B496D5665787E9F295C97D9A" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_D76DEA87501853B298CDE9F295CAB930" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_A7678CA868DAB743FBBDE9F295CA489B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_AFAFEEE3B496D5665787E9F295C97D9A" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_A7678CA868DAB743FBBDE9F295CA489B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_0C1D658A536FCFB221EEE9F295CAB0F3" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_AFAFEEE3B496D5665787E9F295C97D9A" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_0C1D658A536FCFB221EEE9F295CAB0F3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_25B995C0015111BA49EEE9F295CA17F9" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_AFAFEEE3B496D5665787E9F295C97D9A" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_25B995C0015111BA49EEE9F295CA17F9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_ACA6E7FECEA73FB59021E9F295CA34C5" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_AFAFEEE3B496D5665787E9F295C97D9A" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_ACA6E7FECEA73FB59021E9F295CA34C5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_F8EFB6A8864E39373EE2E9F295CB02CA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F1ECF3DD509E52376F47E9F295C989AF" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_F8EFB6A8864E39373EE2E9F295CB02CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_CCA8238B313FF5B64606E9F295CBA08B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F1ECF3DD509E52376F47E9F295C989AF" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitObligation_CCA8238B313FF5B64606E9F295CBA08B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_039560545BB107AB7298E9F295CB5893" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F1ECF3DD509E52376F47E9F295C989AF" xlink:to="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_039560545BB107AB7298E9F295CB5893" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch" xlink:label="loc_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_B3D64D37ED0BB77F9DBDE9F295CB459A" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F1ECF3DD509E52376F47E9F295C989AF" xlink:to="loc_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_B3D64D37ED0BB77F9DBDE9F295CB459A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:label="loc_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_1E7E8FC9AA1FA68BD98FE9F295CB19E4" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F1ECF3DD509E52376F47E9F295C989AF" xlink:to="loc_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_1E7E8FC9AA1FA68BD98FE9F295CB19E4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount" xlink:label="loc_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount_F8EA201F35EBFB7B61F5E9F295CB37EA" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F1ECF3DD509E52376F47E9F295C989AF" xlink:to="loc_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount_F8EA201F35EBFB7B61F5E9F295CB37EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_AC606C3F97657CA2DECDE9F295CCA822" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F1ECF3DD509E52376F47E9F295C989AF" xlink:to="loc_us-gaap_DefinedContributionPlanCostRecognized_AC606C3F97657CA2DECDE9F295CCA822" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/RetirementPlanBenefitsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/SegmentInformation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/SegmentInformationAdditionalInformationNarrativeDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/SegmentInformationNetRevenueAndPropertyPlantAndEquipmentDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_2FA2FE8744FDA796CFD5E9F2952C1787" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_9EE3E0576B9CA1135530E9F295271405" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_2FA2FE8744FDA796CFD5E9F2952C1787" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_9EE3E0576B9CA1135530E9F295271405" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_srt_StatementGeographicalAxis_8549AF58924FE313C2DAE9F295270C13" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_9EE3E0576B9CA1135530E9F295271405" xlink:to="loc_srt_StatementGeographicalAxis_8549AF58924FE313C2DAE9F295270C13" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_FBBE4B4B367C0FDA9730E9F2952820F6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_8549AF58924FE313C2DAE9F295270C13" xlink:to="loc_srt_SegmentGeographicalDomain_FBBE4B4B367C0FDA9730E9F2952820F6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_FBBE4B4B367C0FDA9730E9F2952820F6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_8549AF58924FE313C2DAE9F295270C13" xlink:to="loc_srt_SegmentGeographicalDomain_FBBE4B4B367C0FDA9730E9F2952820F6" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_221092A365D5EF70CEF9E9F295283167" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_FBBE4B4B367C0FDA9730E9F2952820F6" xlink:to="loc_country_US_221092A365D5EF70CEF9E9F295283167" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonUsMember" xlink:label="loc_us-gaap_NonUsMember_1A12985000C40B837208E9F29528C253" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_FBBE4B4B367C0FDA9730E9F2952820F6" xlink:to="loc_us-gaap_NonUsMember_1A12985000C40B837208E9F29528C253" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_F4D6E6682D6E2E53A0D0E9F295280D76" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_9EE3E0576B9CA1135530E9F295271405" xlink:to="loc_srt_ConsolidationItemsAxis_F4D6E6682D6E2E53A0D0E9F295280D76" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_FB2C9BC310EAA35B5554E9F29529D324_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_F4D6E6682D6E2E53A0D0E9F295280D76" xlink:to="loc_srt_ConsolidationItemsDomain_FB2C9BC310EAA35B5554E9F29529D324_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_FB2C9BC310EAA35B5554E9F29529D324" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_F4D6E6682D6E2E53A0D0E9F295280D76" xlink:to="loc_srt_ConsolidationItemsDomain_FB2C9BC310EAA35B5554E9F29529D324" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_F31F9C5CD3814927DF0FE9F29529F9EF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_FB2C9BC310EAA35B5554E9F29529D324" xlink:to="loc_us-gaap_OperatingSegmentsMember_F31F9C5CD3814927DF0FE9F29529F9EF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_CBB51F435122C82183DCE9F29529A7CA" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_9EE3E0576B9CA1135530E9F295271405" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_CBB51F435122C82183DCE9F29529A7CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_4992157B51D4C6A89530E9F2952AF7BC_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_CBB51F435122C82183DCE9F29529A7CA" xlink:to="loc_us-gaap_SegmentDomain_4992157B51D4C6A89530E9F2952AF7BC_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_4992157B51D4C6A89530E9F2952AF7BC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_CBB51F435122C82183DCE9F29529A7CA" xlink:to="loc_us-gaap_SegmentDomain_4992157B51D4C6A89530E9F2952AF7BC" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_InfrastructureSolutionsGroupMember" xlink:label="loc_dell_InfrastructureSolutionsGroupMember_7DEB87AA95693B3AB48AE9F2952A5AB5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4992157B51D4C6A89530E9F2952AF7BC" xlink:to="loc_dell_InfrastructureSolutionsGroupMember_7DEB87AA95693B3AB48AE9F2952A5AB5" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ClientSolutionsMember" xlink:label="loc_dell_ClientSolutionsMember_031867CA57C5EDD2E023E9F2952A5BC9" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4992157B51D4C6A89530E9F2952AF7BC" xlink:to="loc_dell_ClientSolutionsMember_031867CA57C5EDD2E023E9F2952A5BC9" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_48EDCDD9B24C3E548666E9F2952A9560" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4992157B51D4C6A89530E9F2952AF7BC" xlink:to="loc_dell_VMwareInc.Member_48EDCDD9B24C3E548666E9F2952A9560" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_8FEEA405FD39526AA515E9F2952AADD5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_9EE3E0576B9CA1135530E9F295271405" xlink:to="loc_srt_ProductOrServiceAxis_8FEEA405FD39526AA515E9F2952AADD5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_91119F93A1F73D7DC6F4E9F2952B11B6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_8FEEA405FD39526AA515E9F2952AADD5" xlink:to="loc_srt_ProductsAndServicesDomain_91119F93A1F73D7DC6F4E9F2952B11B6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_91119F93A1F73D7DC6F4E9F2952B11B6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_8FEEA405FD39526AA515E9F2952AADD5" xlink:to="loc_srt_ProductsAndServicesDomain_91119F93A1F73D7DC6F4E9F2952B11B6" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ServersAndNetworkingMember" xlink:label="loc_dell_ServersAndNetworkingMember_4C7E2519EC40505FA246E9F2952B758B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_91119F93A1F73D7DC6F4E9F2952B11B6" xlink:to="loc_dell_ServersAndNetworkingMember_4C7E2519EC40505FA246E9F2952B758B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_StorageMember" xlink:label="loc_dell_StorageMember_36A0FCF139C93C31858AE9F2952C9830" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_91119F93A1F73D7DC6F4E9F2952B11B6" xlink:to="loc_dell_StorageMember_36A0FCF139C93C31858AE9F2952C9830" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommercialMember" xlink:label="loc_dell_CommercialMember_7594A50D67CF7346BD7FE9F2952C21B4" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_91119F93A1F73D7DC6F4E9F2952B11B6" xlink:to="loc_dell_CommercialMember_7594A50D67CF7346BD7FE9F2952C21B4" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ConsumerMember" xlink:label="loc_dell_ConsumerMember_1EA2B8DD5610D8089450E9F2952C7D4C" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_91119F93A1F73D7DC6F4E9F2952B11B6" xlink:to="loc_dell_ConsumerMember_1EA2B8DD5610D8089450E9F2952C7D4C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_E0D078F923ACA987BC72E9F2952CFC5D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_2FA2FE8744FDA796CFD5E9F2952C1787" xlink:to="loc_us-gaap_Revenues_E0D078F923ACA987BC72E9F2952CFC5D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_7BD04DB290A295AE41DBE9F2952D281E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_2FA2FE8744FDA796CFD5E9F2952C1787" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_7BD04DB290A295AE41DBE9F2952D281E" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/SegmentInformationReconciliationOfNetRevenueByReportableSegmentsToConsolidatedNetRevenueDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_48E065BCA98719372941E9F2954B8923" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E117E3C64FEF5AAB0ED8E9F29547C39E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_48E065BCA98719372941E9F2954B8923" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E117E3C64FEF5AAB0ED8E9F29547C39E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_E46A0970095D71C4F7F3E9F2954996B9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E117E3C64FEF5AAB0ED8E9F29547C39E" xlink:to="loc_srt_ConsolidationItemsAxis_E46A0970095D71C4F7F3E9F2954996B9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_2B44CB65B40001AB0F11E9F29549D932_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_E46A0970095D71C4F7F3E9F2954996B9" xlink:to="loc_srt_ConsolidationItemsDomain_2B44CB65B40001AB0F11E9F29549D932_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_2B44CB65B40001AB0F11E9F29549D932" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_E46A0970095D71C4F7F3E9F2954996B9" xlink:to="loc_srt_ConsolidationItemsDomain_2B44CB65B40001AB0F11E9F29549D932" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_E1BB30934787731CA8DCE9F2954992F9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_2B44CB65B40001AB0F11E9F29549D932" xlink:to="loc_us-gaap_OperatingSegmentsMember_E1BB30934787731CA8DCE9F2954992F9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateNonSegmentMember" xlink:label="loc_us-gaap_CorporateNonSegmentMember_8BC1EFD8115AFFBEF507E9F295491044" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_2B44CB65B40001AB0F11E9F29549D932" xlink:to="loc_us-gaap_CorporateNonSegmentMember_8BC1EFD8115AFFBEF507E9F295491044" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MaterialReconcilingItemsMember" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_59BEE5C7F4AC365FAD28E9F295493259" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_2B44CB65B40001AB0F11E9F29549D932" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_59BEE5C7F4AC365FAD28E9F295493259" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_C77992819E2790986EAFE9F295490423" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E117E3C64FEF5AAB0ED8E9F29547C39E" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_C77992819E2790986EAFE9F295490423" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_514B38DC6DF29AE92050E9F29549E860_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_C77992819E2790986EAFE9F295490423" xlink:to="loc_us-gaap_SegmentDomain_514B38DC6DF29AE92050E9F29549E860_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_514B38DC6DF29AE92050E9F29549E860" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_C77992819E2790986EAFE9F295490423" xlink:to="loc_us-gaap_SegmentDomain_514B38DC6DF29AE92050E9F29549E860" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_InfrastructureSolutionsGroupMember" xlink:label="loc_dell_InfrastructureSolutionsGroupMember_8BC72E4CC63CA4F50201E9F2954A9C2C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_514B38DC6DF29AE92050E9F29549E860" xlink:to="loc_dell_InfrastructureSolutionsGroupMember_8BC72E4CC63CA4F50201E9F2954A9C2C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_ClientSolutionsMember" xlink:label="loc_dell_ClientSolutionsMember_DE21D67B0D14A87832ECE9F2954ABFCA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_514B38DC6DF29AE92050E9F29549E860" xlink:to="loc_dell_ClientSolutionsMember_DE21D67B0D14A87832ECE9F2954ABFCA" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_4049A48905424B114247E9F2954A8649" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_514B38DC6DF29AE92050E9F29549E860" xlink:to="loc_dell_VMwareInc.Member_4049A48905424B114247E9F2954A8649" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllOtherSegmentsMember" xlink:label="loc_us-gaap_AllOtherSegmentsMember_F20E685C5FD5A955DD47E9F2954B5E2B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_514B38DC6DF29AE92050E9F29549E860" xlink:to="loc_us-gaap_AllOtherSegmentsMember_F20E685C5FD5A955DD47E9F2954B5E2B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_165D7FB113754B7012D6E9F2954BF505" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_48E065BCA98719372941E9F2954B8923" xlink:to="loc_us-gaap_Revenues_165D7FB113754B7012D6E9F2954BF505" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_49B50011970404FB788AE9F2954BD51F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_48E065BCA98719372941E9F2954B8923" xlink:to="loc_us-gaap_OperatingIncomeLoss_49B50011970404FB788AE9F2954BD51F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentsRelatedToPreviousPeriod" xlink:label="loc_us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentsRelatedToPreviousPeriod_C884B482118A5648EAC5E9F2954B85A4" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_48E065BCA98719372941E9F2954B8923" xlink:to="loc_us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentsRelatedToPreviousPeriod_C884B482118A5648EAC5E9F2954B85A4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_5441CA503F444B778A9DE9F2954CBCC1" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_48E065BCA98719372941E9F2954B8923" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_5441CA503F444B778A9DE9F2954CBCC1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationIntegrationRelatedCosts" xlink:label="loc_us-gaap_BusinessCombinationIntegrationRelatedCosts_9D4C9E45E9ED8BFDE58EE9F2954CE1AC" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_48E065BCA98719372941E9F2954B8923" xlink:to="loc_us-gaap_BusinessCombinationIntegrationRelatedCosts_9D4C9E45E9ED8BFDE58EE9F2954CE1AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_D348B92443A1A7CCD309E9F2954CB1CD" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_48E065BCA98719372941E9F2954B8923" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_D348B92443A1A7CCD309E9F2954CB1CD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherExpenses" xlink:label="loc_us-gaap_OtherExpenses_C77D73E7B099842FB3EDE9F2954C63B5" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_48E065BCA98719372941E9F2954B8923" xlink:to="loc_us-gaap_OtherExpenses_C77D73E7B099842FB3EDE9F2954C63B5" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/SegmentInformationTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/StockBasedCompensation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/StockBasedCompensationAssumptionsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD12CB52B36292FEC86CE9F29673D7B9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_23096D75E954D23C872DE9F2966B46D0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD12CB52B36292FEC86CE9F29673D7B9" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_23096D75E954D23C872DE9F2966B46D0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_03668C3B004DE116ECD7E9F2966CFD9C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_23096D75E954D23C872DE9F2966B46D0" xlink:to="loc_us-gaap_PlanNameAxis_03668C3B004DE116ECD7E9F2966CFD9C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_9C4AEEF90320A8198DECE9F2966C9F67_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_03668C3B004DE116ECD7E9F2966CFD9C" xlink:to="loc_us-gaap_PlanNameDomain_9C4AEEF90320A8198DECE9F2966C9F67_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_9C4AEEF90320A8198DECE9F2966C9F67" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_03668C3B004DE116ECD7E9F2966CFD9C" xlink:to="loc_us-gaap_PlanNameDomain_9C4AEEF90320A8198DECE9F2966C9F67" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMware2007EquityandIncentivePlanMember" xlink:label="loc_dell_VMware2007EquityandIncentivePlanMember_60FE620E9B761C627EE2E9F296711F83" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_9C4AEEF90320A8198DECE9F2966C9F67" xlink:to="loc_dell_VMware2007EquityandIncentivePlanMember_60FE620E9B761C627EE2E9F296711F83" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMWareEmployeeStockPurchasePlanMember" xlink:label="loc_dell_VMWareEmployeeStockPurchasePlanMember_31F5AA510A227AEEA152E9F2967234E5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_9C4AEEF90320A8198DECE9F2966C9F67" xlink:to="loc_dell_VMWareEmployeeStockPurchasePlanMember_31F5AA510A227AEEA152E9F2967234E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_7E84868114CEFEDE1AECE9F29672029D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_23096D75E954D23C872DE9F2966B46D0" xlink:to="loc_us-gaap_AwardTypeAxis_7E84868114CEFEDE1AECE9F29672029D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_BDACC382624612DEFE05E9F296727E89_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_7E84868114CEFEDE1AECE9F29672029D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_BDACC382624612DEFE05E9F296727E89_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_BDACC382624612DEFE05E9F296727E89" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_7E84868114CEFEDE1AECE9F29672029D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_BDACC382624612DEFE05E9F296727E89" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeStockMember" xlink:label="loc_us-gaap_EmployeeStockMember_66F81372CBB0A168260DE9F29672E0F2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_BDACC382624612DEFE05E9F296727E89" xlink:to="loc_us-gaap_EmployeeStockMember_66F81372CBB0A168260DE9F29672E0F2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_D65811656E7A6CC2D6C1E9F29673C95A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_BDACC382624612DEFE05E9F296727E89" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_D65811656E7A6CC2D6C1E9F29673C95A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_EC29988D9524FB9009E2E9F296730B94" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD12CB52B36292FEC86CE9F29673D7B9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_EC29988D9524FB9009E2E9F296730B94" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_6AD82107D8D321BD0001E9F29673A0DA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD12CB52B36292FEC86CE9F29673D7B9" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_6AD82107D8D321BD0001E9F29673A0DA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_9B3DD05BFB00DAC7395AE9F296733410" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD12CB52B36292FEC86CE9F29673D7B9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_9B3DD05BFB00DAC7395AE9F296733410" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_5220DB7E60428133F8D7E9F296741CA8" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD12CB52B36292FEC86CE9F29673D7B9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_5220DB7E60428133F8D7E9F296741CA8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_4305DB17286E36D57379E9F296747AF8" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD12CB52B36292FEC86CE9F29673D7B9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_4305DB17286E36D57379E9F296747AF8" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/StockBasedCompensationEsppActivityDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_83DD6A12A6410291E3920883322A9AC9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D7B61B38DAB31FFABFF908833228E11B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_83DD6A12A6410291E3920883322A9AC9" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D7B61B38DAB31FFABFF908833228E11B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_218B4CDCD227ED82F428088332280961" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D7B61B38DAB31FFABFF908833228E11B" xlink:to="loc_us-gaap_PlanNameAxis_218B4CDCD227ED82F428088332280961" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_AEDF9A26490CF0D70E700883322986CF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_218B4CDCD227ED82F428088332280961" xlink:to="loc_us-gaap_PlanNameDomain_AEDF9A26490CF0D70E700883322986CF_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_AEDF9A26490CF0D70E700883322986CF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_218B4CDCD227ED82F428088332280961" xlink:to="loc_us-gaap_PlanNameDomain_AEDF9A26490CF0D70E700883322986CF" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMWareEmployeeStockPurchasePlanMember" xlink:label="loc_dell_VMWareEmployeeStockPurchasePlanMember_492DFDE55C46A891482F08833229B6EC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_AEDF9A26490CF0D70E700883322986CF" xlink:to="loc_dell_VMWareEmployeeStockPurchasePlanMember_492DFDE55C46A891482F08833229B6EC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_582161C80B1150F6C2AF0883322915A9" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D7B61B38DAB31FFABFF908833228E11B" xlink:to="loc_us-gaap_AwardTypeAxis_582161C80B1150F6C2AF0883322915A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5149491786FC22E1190408833229C25D_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_582161C80B1150F6C2AF0883322915A9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5149491786FC22E1190408833229C25D_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5149491786FC22E1190408833229C25D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_582161C80B1150F6C2AF0883322915A9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5149491786FC22E1190408833229C25D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeStockMember" xlink:label="loc_us-gaap_EmployeeStockMember_A501BCC463B0F87F78710883322A91B6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5149491786FC22E1190408833229C25D" xlink:to="loc_us-gaap_EmployeeStockMember_A501BCC463B0F87F78710883322A91B6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_CEA194D05329BE5A49CE0883322A57D4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_83DD6A12A6410291E3920883322A9AC9" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_CEA194D05329BE5A49CE0883322A57D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_8E2D4002F4EBA6A706650883322A448C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_83DD6A12A6410291E3920883322A9AC9" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_8E2D4002F4EBA6A706650883322A448C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_192A4F5FDCFC39B82E710883322AC35E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_83DD6A12A6410291E3920883322A9AC9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_192A4F5FDCFC39B82E710883322AC35E" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/StockBasedCompensationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_90F8D6D697931CC1237D08833260165B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_90F8D6D697931CC1237D08833260165B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_9C9897C755C7427A413708833261F59C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_90F8D6D697931CC1237D08833260165B" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_9C9897C755C7427A413708833261F59C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_60BC74F7EB754C754E1D088332619434_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_9C9897C755C7427A413708833261F59C" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_60BC74F7EB754C754E1D088332619434_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_60BC74F7EB754C754E1D088332619434" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_9C9897C755C7427A413708833261F59C" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_60BC74F7EB754C754E1D088332619434" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_PivotalMember" xlink:label="loc_dell_PivotalMember_C62237FDEBF813F698F5088332614CCE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_60BC74F7EB754C754E1D088332619434" xlink:to="loc_dell_PivotalMember_C62237FDEBF813F698F5088332614CCE" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_MergerAgreementMember" xlink:label="loc_dell_MergerAgreementMember_81FF5036F3CB20851974088332623FEE" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_60BC74F7EB754C754E1D088332619434" xlink:to="loc_dell_MergerAgreementMember_81FF5036F3CB20851974088332623FEE" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_61F37C9F1530FA81ACE808833262DCA5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_90F8D6D697931CC1237D08833260165B" xlink:to="loc_dei_LegalEntityAxis_61F37C9F1530FA81ACE808833262DCA5" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_EB86E5A2FF5084BEAF5E088332628AF4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_61F37C9F1530FA81ACE808833262DCA5" xlink:to="loc_dei_EntityDomain_EB86E5A2FF5084BEAF5E088332628AF4_default" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_EB86E5A2FF5084BEAF5E088332628AF4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_61F37C9F1530FA81ACE808833262DCA5" xlink:to="loc_dei_EntityDomain_EB86E5A2FF5084BEAF5E088332628AF4" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_F1F9A256750F17C15B460883326211C4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_EB86E5A2FF5084BEAF5E088332628AF4" xlink:to="loc_dell_VMwareInc.Member_F1F9A256750F17C15B460883326211C4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_1630B8CD50238364F75A088332628739" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_90F8D6D697931CC1237D08833260165B" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_1630B8CD50238364F75A088332628739" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_E2FC8F5D800FF8045083088332627A35_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_1630B8CD50238364F75A088332628739" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_E2FC8F5D800FF8045083088332627A35_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_E2FC8F5D800FF8045083088332627A35" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_1630B8CD50238364F75A088332628739" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_E2FC8F5D800FF8045083088332627A35" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_9A0B4410339D97491AAF0883326360E2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_E2FC8F5D800FF8045083088332627A35" xlink:to="loc_us-gaap_CostOfSalesMember_9A0B4410339D97491AAF0883326360E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_9E2C3A614D39D027A605088332634A4B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_90F8D6D697931CC1237D08833260165B" xlink:to="loc_us-gaap_PlanNameAxis_9E2C3A614D39D027A605088332634A4B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_CEDDF975E82D3155197408833263DECB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_9E2C3A614D39D027A605088332634A4B" xlink:to="loc_us-gaap_PlanNameDomain_CEDDF975E82D3155197408833263DECB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_CEDDF975E82D3155197408833263DECB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_9E2C3A614D39D027A605088332634A4B" xlink:to="loc_us-gaap_PlanNameDomain_CEDDF975E82D3155197408833263DECB" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMware2007EquityandIncentivePlanMember" xlink:label="loc_dell_VMware2007EquityandIncentivePlanMember_1AD4D886692DE411C3A0088332637022" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_CEDDF975E82D3155197408833263DECB" xlink:to="loc_dell_VMware2007EquityandIncentivePlanMember_1AD4D886692DE411C3A0088332637022" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMWareEmployeeStockPurchasePlanMember" xlink:label="loc_dell_VMWareEmployeeStockPurchasePlanMember_3DB63F02B499244AEE5708833264EF4A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_CEDDF975E82D3155197408833263DECB" xlink:to="loc_dell_VMWareEmployeeStockPurchasePlanMember_3DB63F02B499244AEE5708833264EF4A" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DellTechnologiesInc.2013StockIncentivePlanMember" xlink:label="loc_dell_DellTechnologiesInc.2013StockIncentivePlanMember_2FB0D2FEE6F515E6A0AD08833264D634" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_CEDDF975E82D3155197408833263DECB" xlink:to="loc_dell_DellTechnologiesInc.2013StockIncentivePlanMember_2FB0D2FEE6F515E6A0AD08833264D634" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DenaliHoldingInc.2013StockIncentivePlanMember" xlink:label="loc_dell_DenaliHoldingInc.2013StockIncentivePlanMember_408A0AC9D15601B322C9088332642BF0" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_CEDDF975E82D3155197408833263DECB" xlink:to="loc_dell_DenaliHoldingInc.2013StockIncentivePlanMember_408A0AC9D15601B322C9088332642BF0" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DellTechnologiesInc.andDenaliHoldingInc.2013StockIncentivePlansMember" xlink:label="loc_dell_DellTechnologiesInc.andDenaliHoldingInc.2013StockIncentivePlansMember_5291A7E9574AE672236F088332641F12" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_CEDDF975E82D3155197408833263DECB" xlink:to="loc_dell_DellTechnologiesInc.andDenaliHoldingInc.2013StockIncentivePlansMember_5291A7E9574AE672236F088332641F12" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_15006B3A012DB0CB6EE208833264E073" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_90F8D6D697931CC1237D08833260165B" xlink:to="loc_us-gaap_AwardTypeAxis_15006B3A012DB0CB6EE208833264E073" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CF23D7F0C5FE6AA22F2F088332652A9C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_15006B3A012DB0CB6EE208833264E073" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CF23D7F0C5FE6AA22F2F088332652A9C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CF23D7F0C5FE6AA22F2F088332652A9C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_15006B3A012DB0CB6EE208833264E073" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CF23D7F0C5FE6AA22F2F088332652A9C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_PerformanceBasedEmployeeStockOptionsMember" xlink:label="loc_dell_PerformanceBasedEmployeeStockOptionsMember_6588D2ACF96E18CE5F8008833265BBD5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CF23D7F0C5FE6AA22F2F088332652A9C" xlink:to="loc_dell_PerformanceBasedEmployeeStockOptionsMember_6588D2ACF96E18CE5F8008833265BBD5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_273A988CB3C8AE3C6AC1088332657C7A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CF23D7F0C5FE6AA22F2F088332652A9C" xlink:to="loc_us-gaap_EmployeeStockOptionMember_273A988CB3C8AE3C6AC1088332657C7A" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TimeBasedEmployeeStockOptionsMember" xlink:label="loc_dell_TimeBasedEmployeeStockOptionsMember_34141CA7785BAFCC215C08833265286A" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CF23D7F0C5FE6AA22F2F088332652A9C" xlink:to="loc_dell_TimeBasedEmployeeStockOptionsMember_34141CA7785BAFCC215C08833265286A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_7D8012878A0B8DC4999108833265DEA6" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CF23D7F0C5FE6AA22F2F088332652A9C" xlink:to="loc_us-gaap_RestrictedStockMember_7D8012878A0B8DC4999108833265DEA6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_9DFACB421E769BB3C5BE088332652CC7" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CF23D7F0C5FE6AA22F2F088332652A9C" xlink:to="loc_us-gaap_PerformanceSharesMember_9DFACB421E769BB3C5BE088332652CC7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeStockMember" xlink:label="loc_us-gaap_EmployeeStockMember_1826EBE23A97A576FD44088332664952" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CF23D7F0C5FE6AA22F2F088332652A9C" xlink:to="loc_us-gaap_EmployeeStockMember_1826EBE23A97A576FD44088332664952" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_9920B4B1E526C529DC3E08833266B7BB" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CF23D7F0C5FE6AA22F2F088332652A9C" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_9920B4B1E526C529DC3E08833266B7BB" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_PerformancebasedRestrictedStockUnitsMember" xlink:label="loc_dell_PerformancebasedRestrictedStockUnitsMember_8EB89CD6D3050B43681A0883326636C7" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CF23D7F0C5FE6AA22F2F088332652A9C" xlink:to="loc_dell_PerformancebasedRestrictedStockUnitsMember_8EB89CD6D3050B43681A0883326636C7" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_RSUsandPSUsMember" xlink:label="loc_dell_RSUsandPSUsMember_B5F352C4120C014F117608833266150B" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CF23D7F0C5FE6AA22F2F088332652A9C" xlink:to="loc_dell_RSUsandPSUsMember_B5F352C4120C014F117608833266150B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_9BBFBC0BA36F1789C5AF088332662C3B" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_90F8D6D697931CC1237D08833260165B" xlink:to="loc_us-gaap_StatementClassOfStockAxis_9BBFBC0BA36F1789C5AF088332662C3B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_F438A82805713E34344F08833267ECA8_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_9BBFBC0BA36F1789C5AF088332662C3B" xlink:to="loc_us-gaap_ClassOfStockDomain_F438A82805713E34344F08833267ECA8_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_F438A82805713E34344F08833267ECA8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_9BBFBC0BA36F1789C5AF088332662C3B" xlink:to="loc_us-gaap_ClassOfStockDomain_F438A82805713E34344F08833267ECA8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassCMember" xlink:label="loc_us-gaap_CommonClassCMember_0DD0149DC9E9D8465EFD08833267CE40" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_F438A82805713E34344F08833267ECA8" xlink:to="loc_us-gaap_CommonClassCMember_0DD0149DC9E9D8465EFD08833267CE40" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassVMember" xlink:label="loc_dell_CommonClassVMember_F76C3B9C5C747B251F6C08833267532D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_F438A82805713E34344F08833267ECA8" xlink:to="loc_dell_CommonClassVMember_F76C3B9C5C747B251F6C08833267532D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_3B56E9AE1A9E7868DF5E08833267E987" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_90F8D6D697931CC1237D08833260165B" xlink:to="loc_srt_RangeAxis_3B56E9AE1A9E7868DF5E08833267E987" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_61C05D76640B818675A508833267EF2B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_3B56E9AE1A9E7868DF5E08833267E987" xlink:to="loc_srt_RangeMember_61C05D76640B818675A508833267EF2B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_61C05D76640B818675A508833267EF2B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_3B56E9AE1A9E7868DF5E08833267E987" xlink:to="loc_srt_RangeMember_61C05D76640B818675A508833267EF2B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_9A902AA111A5CD45010908833268285B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_61C05D76640B818675A508833267EF2B" xlink:to="loc_srt_MinimumMember_9A902AA111A5CD45010908833268285B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_DF2B3808C31F4AA1DC5908833268C9A8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_61C05D76640B818675A508833267EF2B" xlink:to="loc_srt_MaximumMember_DF2B3808C31F4AA1DC5908833268C9A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis_A482C60EC7A65B0F89560883326879C6" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_90F8D6D697931CC1237D08833260165B" xlink:to="loc_us-gaap_VestingAxis_A482C60EC7A65B0F89560883326879C6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_4C3B414D7B9C7F0A4D4908833268861B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_A482C60EC7A65B0F89560883326879C6" xlink:to="loc_us-gaap_VestingDomain_4C3B414D7B9C7F0A4D4908833268861B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_4C3B414D7B9C7F0A4D4908833268861B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_A482C60EC7A65B0F89560883326879C6" xlink:to="loc_us-gaap_VestingDomain_4C3B414D7B9C7F0A4D4908833268861B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_05C52872EC6068D00CA40883326805B2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_4C3B414D7B9C7F0A4D4908833268861B" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_05C52872EC6068D00CA40883326805B2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_773DFA0BE3354E9033C7088332694747" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_773DFA0BE3354E9033C7088332694747" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConversionOfStockSharesConverted1" xlink:label="loc_us-gaap_ConversionOfStockSharesConverted1_313ED4BF72038C027E56088332691058" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ConversionOfStockSharesConverted1_313ED4BF72038C027E56088332691058" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_13769208887A56DC4CDB088332699314" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_13769208887A56DC4CDB088332699314" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_7A9FDB741E83B18D69930883326ADD55" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_7A9FDB741E83B18D69930883326ADD55" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_4674C04B8593799E2D8C0883326A48B7" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_4674C04B8593799E2D8C0883326A48B7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_06D42C5D930BF1C34E210883326A84CA" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_06D42C5D930BF1C34E210883326A84CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_EB398CE221C1FAECCCE40883326A9097" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_EB398CE221C1FAECCCE40883326A9097" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_F4C4E81FF63044A946530883326A4F15" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_F4C4E81FF63044A946530883326A4F15" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_9161625C889EDFFE63080883326A3146" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_9161625C889EDFFE63080883326A3146" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_85428D788D09080178140883326A4572" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_85428D788D09080178140883326A4572" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_A043062545ADD92554050883326B8F57" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_A043062545ADD92554050883326B8F57" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_AF65CF8F9861327FE75F0883326B4A4C" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_AF65CF8F9861327FE75F0883326B4A4C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions_8A86BAAFB908426A8CF00883326B1EAF" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions_8A86BAAFB908426A8CF00883326B1EAF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharePrice" xlink:label="loc_us-gaap_SharePrice_168A55131997348F932A0883326B6980" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_SharePrice_168A55131997348F932A0883326B6980" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DA3B8C5F45F9D129051A0883326BA6A2" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DA3B8C5F45F9D129051A0883326BA6A2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_933BAC043FAAF51B07C60883326BFB15" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_933BAC043FAAF51B07C60883326BFB15" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonStockSharesConvertedPerShare" xlink:label="loc_dell_CommonStockSharesConvertedPerShare_A223C7AF63CE9DC56DDE0883326C1431" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_dell_CommonStockSharesConvertedPerShare_A223C7AF63CE9DC56DDE0883326C1431" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_1640B6653C125DB0F3400883326CD37B" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_1640B6653C125DB0F3400883326CD37B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPerformanceTargetPercentage" xlink:label="loc_dell_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPerformanceTargetPercentage_C26535F49054576FDCC00883326CA914" xlink:type="locator" />
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_dell_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPerformanceTargetPercentage_C26535F49054576FDCC00883326CA914" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsWeightedaverageLeverageAdjustmentPeriod" xlink:label="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsWeightedaverageLeverageAdjustmentPeriod_4A11627B153BD6672B510883326C942B" xlink:type="locator" />
    <link:definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsWeightedaverageLeverageAdjustmentPeriod_4A11627B153BD6672B510883326C942B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_C983AD5EF0EE6BFC7B110883326CB2FF" xlink:type="locator" />
    <link:definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_C983AD5EF0EE6BFC7B110883326CB2FF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested_126162658C56E86D6EEB0883326D827A" xlink:type="locator" />
    <link:definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested_126162658C56E86D6EEB0883326D827A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_0E3C7739848CA64E75060883326DA677" xlink:type="locator" />
    <link:definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_0E3C7739848CA64E75060883326DA677" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_3ED87BBB59F9B7B7D7AB0883326D98DF" xlink:type="locator" />
    <link:definitionArc order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_3ED87BBB59F9B7B7D7AB0883326D98DF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_28DDDE12507F0D6BC6030883326D071D" xlink:type="locator" />
    <link:definitionArc order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_28DDDE12507F0D6BC6030883326D071D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_EA31575BD0F42C4D9AAD0883326D0480" xlink:type="locator" />
    <link:definitionArc order="26" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_EA31575BD0F42C4D9AAD0883326D0480" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharesPaidforTaxWithholdingforShareBasedCompensationValue" xlink:label="loc_dell_SharesPaidforTaxWithholdingforShareBasedCompensationValue_2D158D98D41CF4102C950883326DCE67" xlink:type="locator" />
    <link:definitionArc order="27" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_dell_SharesPaidforTaxWithholdingforShareBasedCompensationValue_2D158D98D41CF4102C950883326DCE67" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAssumed" xlink:label="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAssumed_D5FBC92C0D2C352D1DD80883326D1289" xlink:type="locator" />
    <link:definitionArc order="28" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAssumed_D5FBC92C0D2C352D1DD80883326D1289" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_CEE08FBCAD00CD01073E0883326EB625" xlink:type="locator" />
    <link:definitionArc order="29" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_CEE08FBCAD00CD01073E0883326EB625" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsSharesIssuedRatio" xlink:label="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsSharesIssuedRatio_E20F963E1180E1DBE8040883326E9568" xlink:type="locator" />
    <link:definitionArc order="30" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsSharesIssuedRatio_E20F963E1180E1DBE8040883326E9568" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_2B433B0AA9640D1D66B90883326EEB10" xlink:type="locator" />
    <link:definitionArc order="31" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_2B433B0AA9640D1D66B90883326EEB10" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_7AD91C8C23A18AC093F00883326E24C4" xlink:type="locator" />
    <link:definitionArc order="32" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_7AD91C8C23A18AC093F00883326E24C4" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriodNumberofOptionPeriods" xlink:label="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriodNumberofOptionPeriods_018B019941B3C79570E10883326EB001" xlink:type="locator" />
    <link:definitionArc order="33" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriodNumberofOptionPeriods_018B019941B3C79570E10883326EB001" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharebasedCompensationArrangementbySharebasedPaymentAwardAdditionalOptionPeriod" xlink:label="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardAdditionalOptionPeriod_3E091F81E28E430F10E20883326E841B" xlink:type="locator" />
    <link:definitionArc order="34" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardAdditionalOptionPeriod_3E091F81E28E430F10E20883326E841B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_1EC13F9DCDA9C79EF2520883326FA903" xlink:type="locator" />
    <link:definitionArc order="35" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_1EC13F9DCDA9C79EF2520883326FA903" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_2121F84C6C547273D55A0883326FF6D4" xlink:type="locator" />
    <link:definitionArc order="36" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_2121F84C6C547273D55A0883326FF6D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="loc_us-gaap_PaymentsOfDividends_1A0A79EE38137F37E1CE0883326F3EA8" xlink:type="locator" />
    <link:definitionArc order="37" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_PaymentsOfDividends_1A0A79EE38137F37E1CE0883326F3EA8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockDividendsPerShareCashPaid" xlink:label="loc_us-gaap_CommonStockDividendsPerShareCashPaid_58D277E36D103653A9870883326F0044" xlink:type="locator" />
    <link:definitionArc order="38" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_CommonStockDividendsPerShareCashPaid_58D277E36D103653A9870883326F0044" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_462A265727AE5DB60ECB0883326F6690" xlink:type="locator" />
    <link:definitionArc order="39" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3F04E85FF764E31C3BFB08833269457B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_462A265727AE5DB60ECB0883326F6690" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/StockBasedCompensationRestrictedStockAndRestrictedStockUnitsActivityDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5698DE73502A9A4AE11419F1AF935F0E" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D83837B4EA1DDA798C0D19F1AF903209" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5698DE73502A9A4AE11419F1AF935F0E" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D83837B4EA1DDA798C0D19F1AF903209" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_4335F9BB3D2E4577541619F1AF90B69E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D83837B4EA1DDA798C0D19F1AF903209" xlink:to="loc_us-gaap_PlanNameAxis_4335F9BB3D2E4577541619F1AF90B69E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_6E030C2026FD31A975BB19F1AF90E00B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_4335F9BB3D2E4577541619F1AF90B69E" xlink:to="loc_us-gaap_PlanNameDomain_6E030C2026FD31A975BB19F1AF90E00B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_6E030C2026FD31A975BB19F1AF90E00B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_4335F9BB3D2E4577541619F1AF90B69E" xlink:to="loc_us-gaap_PlanNameDomain_6E030C2026FD31A975BB19F1AF90E00B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DellTechnologiesInc.2013StockIncentivePlanMember" xlink:label="loc_dell_DellTechnologiesInc.2013StockIncentivePlanMember_014707FFEDED64CA6B2919F1AF9197F5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_6E030C2026FD31A975BB19F1AF90E00B" xlink:to="loc_dell_DellTechnologiesInc.2013StockIncentivePlanMember_014707FFEDED64CA6B2919F1AF9197F5" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMware2007EquityandIncentivePlanMember" xlink:label="loc_dell_VMware2007EquityandIncentivePlanMember_83216E7615AE7F80646019F1AF914F0C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_6E030C2026FD31A975BB19F1AF90E00B" xlink:to="loc_dell_VMware2007EquityandIncentivePlanMember_83216E7615AE7F80646019F1AF914F0C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_4FEE7F99BC499468B43819F1AF91C00D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D83837B4EA1DDA798C0D19F1AF903209" xlink:to="loc_us-gaap_AwardTypeAxis_4FEE7F99BC499468B43819F1AF91C00D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CA0DD18051A3ADFE7BF719F1AF91FE3C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_4FEE7F99BC499468B43819F1AF91C00D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CA0DD18051A3ADFE7BF719F1AF91FE3C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CA0DD18051A3ADFE7BF719F1AF91FE3C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_4FEE7F99BC499468B43819F1AF91C00D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CA0DD18051A3ADFE7BF719F1AF91FE3C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_RSUsandPSUsMember" xlink:label="loc_dell_RSUsandPSUsMember_7F67040DC4200A378DCF19F1AF9236C5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CA0DD18051A3ADFE7BF719F1AF91FE3C" xlink:to="loc_dell_RSUsandPSUsMember_7F67040DC4200A378DCF19F1AF9236C5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_B565A1AECB239D96122A19F1AF9260A5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CA0DD18051A3ADFE7BF719F1AF91FE3C" xlink:to="loc_us-gaap_RestrictedStockMember_B565A1AECB239D96122A19F1AF9260A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_110054F1DA7EF4A09B3819F1AF92DA9E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CA0DD18051A3ADFE7BF719F1AF91FE3C" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_110054F1DA7EF4A09B3819F1AF92DA9E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_7FBCDD5413448F2F576019F1AF92EEE3" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CA0DD18051A3ADFE7BF719F1AF91FE3C" xlink:to="loc_us-gaap_PerformanceSharesMember_7FBCDD5413448F2F576019F1AF92EEE3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_A29ADC43D5E5674A2A4019F1AF93048D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D83837B4EA1DDA798C0D19F1AF903209" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_A29ADC43D5E5674A2A4019F1AF93048D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_DE7765436F0AEFC4005619F1AF9351B7_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_A29ADC43D5E5674A2A4019F1AF93048D" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_DE7765436F0AEFC4005619F1AF9351B7_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_DE7765436F0AEFC4005619F1AF9351B7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_A29ADC43D5E5674A2A4019F1AF93048D" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_DE7765436F0AEFC4005619F1AF9351B7" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_PivotalMember" xlink:label="loc_dell_PivotalMember_D728BA925FAD610E4F0219F1AF930960" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_DE7765436F0AEFC4005619F1AF9351B7" xlink:to="loc_dell_PivotalMember_D728BA925FAD610E4F0219F1AF930960" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_2DCB6432674056B82BD519F1AF93F4C1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5698DE73502A9A4AE11419F1AF935F0E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_2DCB6432674056B82BD519F1AF93F4C1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_6EB637C6DBDA74EDBDFD19F1AF9493A4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_2DCB6432674056B82BD519F1AF93F4C1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_6EB637C6DBDA74EDBDFD19F1AF9493A4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_CB4D5CBDF92186DC327519F1AF94832C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_2DCB6432674056B82BD519F1AF93F4C1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_CB4D5CBDF92186DC327519F1AF94832C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsspecialcashdividendinPeriod" xlink:label="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsspecialcashdividendinPeriod_C789EEC5CD6C9910936B19F1AF946387" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_2DCB6432674056B82BD519F1AF93F4C1" xlink:to="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsspecialcashdividendinPeriod_C789EEC5CD6C9910936B19F1AF946387" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_EE2318A9058C0626AD8419F1AF94402E" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_2DCB6432674056B82BD519F1AF93F4C1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_EE2318A9058C0626AD8419F1AF94402E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_395D7BCCF0E23285790419F1AF94A6BC" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_2DCB6432674056B82BD519F1AF93F4C1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_395D7BCCF0E23285790419F1AF94A6BC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_597C840D6758ABC4621419F1AF958B71" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5698DE73502A9A4AE11419F1AF935F0E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_597C840D6758ABC4621419F1AF958B71" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2FAEA742CD813647249719F1AF9538BA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_597C840D6758ABC4621419F1AF958B71" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2FAEA742CD813647249719F1AF9538BA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_C0B945B8933D1E86593719F1AF95BED6" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_597C840D6758ABC4621419F1AF958B71" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_C0B945B8933D1E86593719F1AF95BED6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_F5FB90E09248A6C755FA19F1AF956499" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_597C840D6758ABC4621419F1AF958B71" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_F5FB90E09248A6C755FA19F1AF956499" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_7C10C46B65B730041BAA19F1AF96744F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_597C840D6758ABC4621419F1AF958B71" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_7C10C46B65B730041BAA19F1AF96744F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_17F383AFC0463C0B7BC019F1AF9648ED" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5698DE73502A9A4AE11419F1AF935F0E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_17F383AFC0463C0B7BC019F1AF9648ED" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_RestrictedStockExpectedToVestAbstract" xlink:label="loc_dell_RestrictedStockExpectedToVestAbstract_76722CBCB95C35B7DC2719F1AF964320" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5698DE73502A9A4AE11419F1AF935F0E" xlink:to="loc_dell_RestrictedStockExpectedToVestAbstract_76722CBCB95C35B7DC2719F1AF964320" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedtoVestNumber" xlink:label="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedtoVestNumber_0F127A3300EA60DAD67C19F1AF967738" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_RestrictedStockExpectedToVestAbstract_76722CBCB95C35B7DC2719F1AF964320" xlink:to="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedtoVestNumber_0F127A3300EA60DAD67C19F1AF967738" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_8AB44F7D8F77B2C1087519F1AF962295" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_RestrictedStockExpectedToVestAbstract_76722CBCB95C35B7DC2719F1AF964320" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_8AB44F7D8F77B2C1087519F1AF962295" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_3B4E3F875DFBDC31A4F619F1AF96F486" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_RestrictedStockExpectedToVestAbstract_76722CBCB95C35B7DC2719F1AF964320" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_3B4E3F875DFBDC31A4F619F1AF96F486" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/StockBasedCompensationStockBasedCompensationExpenseDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5AFCCD0C37D546E3AAF5E9F29734370F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5E2EF9529CB3CC05FD64E9F29732B78D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5AFCCD0C37D546E3AAF5E9F29734370F" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5E2EF9529CB3CC05FD64E9F29732B78D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_64F2FF06C7C3F075ACB8E9F297322C32" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5E2EF9529CB3CC05FD64E9F29732B78D" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_64F2FF06C7C3F075ACB8E9F297322C32" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_DCF5410B164606524167E9F297328180_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_64F2FF06C7C3F075ACB8E9F297322C32" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_DCF5410B164606524167E9F297328180_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_DCF5410B164606524167E9F297328180" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_64F2FF06C7C3F075ACB8E9F297322C32" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_DCF5410B164606524167E9F297328180" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_6FC5CE4170FD37237970E9F29733804A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_DCF5410B164606524167E9F297328180" xlink:to="loc_us-gaap_CostOfSalesMember_6FC5CE4170FD37237970E9F29733804A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingExpenseMember" xlink:label="loc_us-gaap_OperatingExpenseMember_FBE21FB7E3FF282BBDADE9F297333218" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_DCF5410B164606524167E9F297328180" xlink:to="loc_us-gaap_OperatingExpenseMember_FBE21FB7E3FF282BBDADE9F297333218" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_0081A910D0A4F5D6FD39E9F297336030" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_DCF5410B164606524167E9F297328180" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_0081A910D0A4F5D6FD39E9F297336030" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_F57A25D30D60197CA11DE9F297345E5D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5E2EF9529CB3CC05FD64E9F29732B78D" xlink:to="loc_us-gaap_PlanNameAxis_F57A25D30D60197CA11DE9F297345E5D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_576CBE14E36F79A16DB5E9F2973452F5_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_F57A25D30D60197CA11DE9F297345E5D" xlink:to="loc_us-gaap_PlanNameDomain_576CBE14E36F79A16DB5E9F2973452F5_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_576CBE14E36F79A16DB5E9F2973452F5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_F57A25D30D60197CA11DE9F297345E5D" xlink:to="loc_us-gaap_PlanNameDomain_576CBE14E36F79A16DB5E9F2973452F5" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMware2007EquityandIncentivePlanMember" xlink:label="loc_dell_VMware2007EquityandIncentivePlanMember_5641D997B5C6C2A2565CE9F297347E5E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_576CBE14E36F79A16DB5E9F2973452F5" xlink:to="loc_dell_VMware2007EquityandIncentivePlanMember_5641D997B5C6C2A2565CE9F297347E5E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_0FFF63A61041C50A98C4E9F297340C64" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5AFCCD0C37D546E3AAF5E9F29734370F" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_0FFF63A61041C50A98C4E9F297340C64" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_7ADDA2CE5097E822CFDDE9F297353946" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5AFCCD0C37D546E3AAF5E9F29734370F" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_7ADDA2CE5097E822CFDDE9F297353946" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_8E6A9FF459C4CBEB0430E9F297350427" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5AFCCD0C37D546E3AAF5E9F29734370F" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_8E6A9FF459C4CBEB0430E9F297350427" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/StockBasedCompensationStockOptionActivityDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_72B788F231D294A058AEEA71CBD1F492" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D928DFC2268634860C0CEA71CBCE4F61" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_72B788F231D294A058AEEA71CBD1F492" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D928DFC2268634860C0CEA71CBCE4F61" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_7EF55EB01D3FFCF96394EA71CBCE6D76" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D928DFC2268634860C0CEA71CBCE4F61" xlink:to="loc_dei_LegalEntityAxis_7EF55EB01D3FFCF96394EA71CBCE6D76" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_38F8A5402B1109AD98BFEA71CBCE0902_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_7EF55EB01D3FFCF96394EA71CBCE6D76" xlink:to="loc_dei_EntityDomain_38F8A5402B1109AD98BFEA71CBCE0902_default" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_38F8A5402B1109AD98BFEA71CBCE0902" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_7EF55EB01D3FFCF96394EA71CBCE6D76" xlink:to="loc_dei_EntityDomain_38F8A5402B1109AD98BFEA71CBCE0902" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMwareInc.Member" xlink:label="loc_dell_VMwareInc.Member_AC20ECC7D35862EE70FBEA71CBCE59C1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_38F8A5402B1109AD98BFEA71CBCE0902" xlink:to="loc_dell_VMwareInc.Member_AC20ECC7D35862EE70FBEA71CBCE59C1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_CE22A6568C31F250033BEA71CBCF064F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D928DFC2268634860C0CEA71CBCE4F61" xlink:to="loc_us-gaap_PlanNameAxis_CE22A6568C31F250033BEA71CBCF064F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_0D1E191B4285B31A3D85EA71CBCF4F6C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_CE22A6568C31F250033BEA71CBCF064F" xlink:to="loc_us-gaap_PlanNameDomain_0D1E191B4285B31A3D85EA71CBCF4F6C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_0D1E191B4285B31A3D85EA71CBCF4F6C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_CE22A6568C31F250033BEA71CBCF064F" xlink:to="loc_us-gaap_PlanNameDomain_0D1E191B4285B31A3D85EA71CBCF4F6C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_VMware2007EquityandIncentivePlanMember" xlink:label="loc_dell_VMware2007EquityandIncentivePlanMember_B5660D0E48305BFB2A65EA71CBCF5CC8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_0D1E191B4285B31A3D85EA71CBCF4F6C" xlink:to="loc_dell_VMware2007EquityandIncentivePlanMember_B5660D0E48305BFB2A65EA71CBCF5CC8" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DellTechnologiesInc.2013StockIncentivePlanMember" xlink:label="loc_dell_DellTechnologiesInc.2013StockIncentivePlanMember_15A1718E8AE9B5FADEB3EA71CBCFCAA0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_0D1E191B4285B31A3D85EA71CBCF4F6C" xlink:to="loc_dell_DellTechnologiesInc.2013StockIncentivePlanMember_15A1718E8AE9B5FADEB3EA71CBCFCAA0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_340583AAD91C7E3DFD65EA71CBCF2B0D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D928DFC2268634860C0CEA71CBCE4F61" xlink:to="loc_us-gaap_AwardTypeAxis_340583AAD91C7E3DFD65EA71CBCF2B0D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CECAB5C76DF0D4FFE78DEA71CBD0FE00_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_340583AAD91C7E3DFD65EA71CBCF2B0D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CECAB5C76DF0D4FFE78DEA71CBD0FE00_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CECAB5C76DF0D4FFE78DEA71CBD0FE00" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_340583AAD91C7E3DFD65EA71CBCF2B0D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CECAB5C76DF0D4FFE78DEA71CBD0FE00" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_58466952E3095616CBB6EA71CBD0FC05" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CECAB5C76DF0D4FFE78DEA71CBD0FE00" xlink:to="loc_us-gaap_EmployeeStockOptionMember_58466952E3095616CBB6EA71CBD0FC05" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_PerformanceBasedEmployeeStockOptionsMember" xlink:label="loc_dell_PerformanceBasedEmployeeStockOptionsMember_AB521DE569471FD9FF1FEA71CBD0F740" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CECAB5C76DF0D4FFE78DEA71CBD0FE00" xlink:to="loc_dell_PerformanceBasedEmployeeStockOptionsMember_AB521DE569471FD9FF1FEA71CBD0F740" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_TimeBasedEmployeeStockOptionsMember" xlink:label="loc_dell_TimeBasedEmployeeStockOptionsMember_45A130E149734E118E13EA71CBD049D8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CECAB5C76DF0D4FFE78DEA71CBD0FE00" xlink:to="loc_dell_TimeBasedEmployeeStockOptionsMember_45A130E149734E118E13EA71CBD049D8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_6283E89669146593B79DEA71CBD1103B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D928DFC2268634860C0CEA71CBCE4F61" xlink:to="loc_us-gaap_StatementClassOfStockAxis_6283E89669146593B79DEA71CBD1103B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_CE87CAE5BD6439909C9AEA71CBD13F88_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_6283E89669146593B79DEA71CBD1103B" xlink:to="loc_us-gaap_ClassOfStockDomain_CE87CAE5BD6439909C9AEA71CBD13F88_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_CE87CAE5BD6439909C9AEA71CBD13F88" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_6283E89669146593B79DEA71CBD1103B" xlink:to="loc_us-gaap_ClassOfStockDomain_CE87CAE5BD6439909C9AEA71CBD13F88" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassCMember" xlink:label="loc_us-gaap_CommonClassCMember_398A42D5BFB0DC7073C3EA71CBD1A962" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_CE87CAE5BD6439909C9AEA71CBD13F88" xlink:to="loc_us-gaap_CommonClassCMember_398A42D5BFB0DC7073C3EA71CBD1A962" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_606E7D061178D9480AE5EA71CBD18FE7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_72B788F231D294A058AEEA71CBD1F492" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_606E7D061178D9480AE5EA71CBD18FE7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_CA1B05889B4E59790ED8EA71CBD2C890" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_606E7D061178D9480AE5EA71CBD18FE7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_CA1B05889B4E59790ED8EA71CBD2C890" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_495B47E85FB073E5FB73EA71CBD24F6B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_606E7D061178D9480AE5EA71CBD18FE7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_495B47E85FB073E5FB73EA71CBD24F6B" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsspecialcashdividendinPeriod" xlink:label="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsspecialcashdividendinPeriod_0D91DB75D0024ABEFF3AEA71CBD247AA" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_606E7D061178D9480AE5EA71CBD18FE7" xlink:to="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsspecialcashdividendinPeriod_0D91DB75D0024ABEFF3AEA71CBD247AA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_559E6AF7A74338360163EA71CBD2D923" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_606E7D061178D9480AE5EA71CBD18FE7" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_559E6AF7A74338360163EA71CBD2D923" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_39993EA518F65AB99AFDEA71CBD2DFF0" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_606E7D061178D9480AE5EA71CBD18FE7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_39993EA518F65AB99AFDEA71CBD2DFF0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_3E93D810DC3088817973EA71CBD3DE0A" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_606E7D061178D9480AE5EA71CBD18FE7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_3E93D810DC3088817973EA71CBD3DE0A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_8BECE2248DF90D92A1B6EA71CBD3797B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_72B788F231D294A058AEEA71CBD1F492" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_8BECE2248DF90D92A1B6EA71CBD3797B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_980CCD17492DBCE7A0D6EA71CBD36D10" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_72B788F231D294A058AEEA71CBD1F492" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_980CCD17492DBCE7A0D6EA71CBD36D10" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_2B1B5C26CED049DA5894EA71CBD351B3" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_72B788F231D294A058AEEA71CBD1F492" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_2B1B5C26CED049DA5894EA71CBD351B3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3E8EDA03F81607389B2CEA71CBD34405" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_2B1B5C26CED049DA5894EA71CBD351B3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3E8EDA03F81607389B2CEA71CBD34405" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_DEC34C6ADFAEE8FF064BEA71CBD4BB0E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_2B1B5C26CED049DA5894EA71CBD351B3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_DEC34C6ADFAEE8FF064BEA71CBD4BB0E" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharebasedPaymentArrangementOptionExercisePriceRangeweightedaverageexercisepriceofoptionsoutstanding" xlink:label="loc_dell_SharebasedPaymentArrangementOptionExercisePriceRangeweightedaverageexercisepriceofoptionsoutstanding_F01D2042A0DDE50FB966EA71CBD48EDF" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_2B1B5C26CED049DA5894EA71CBD351B3" xlink:to="loc_dell_SharebasedPaymentArrangementOptionExercisePriceRangeweightedaverageexercisepriceofoptionsoutstanding_F01D2042A0DDE50FB966EA71CBD48EDF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_A747F966835389C81176EA71CBD41981" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_2B1B5C26CED049DA5894EA71CBD351B3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_A747F966835389C81176EA71CBD41981" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_5C4BE0A493525AABAF70EA71CBD4E33D" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_2B1B5C26CED049DA5894EA71CBD351B3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_5C4BE0A493525AABAF70EA71CBD4E33D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_3FDA7221DC26B1A9849CEA71CBD4FCA8" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_2B1B5C26CED049DA5894EA71CBD351B3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_3FDA7221DC26B1A9849CEA71CBD4FCA8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_33455D25D54E42A02D02EA71CBD401F3" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_72B788F231D294A058AEEA71CBD1F492" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_33455D25D54E42A02D02EA71CBD401F3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_F3904CD19E7FFB70690FEA71CBD56774" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_72B788F231D294A058AEEA71CBD1F492" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_F3904CD19E7FFB70690FEA71CBD56774" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_753E3BAA1C7521538215EA71CBD50C7A" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_72B788F231D294A058AEEA71CBD1F492" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_753E3BAA1C7521538215EA71CBD50C7A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_B52AEA0EED41795FB8B5EA71CBD56091" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_753E3BAA1C7521538215EA71CBD50C7A" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_B52AEA0EED41795FB8B5EA71CBD56091" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_03D63AD08BA814499467EA71CBD5FF17" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_753E3BAA1C7521538215EA71CBD50C7A" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_03D63AD08BA814499467EA71CBD5FF17" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_ABA02152A9978FC3CED5EA71CBD5E670" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_753E3BAA1C7521538215EA71CBD50C7A" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_ABA02152A9978FC3CED5EA71CBD5E670" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SharebasedCompensationArrangementbySharebasedPaymentAwardIntrinsicValueAbstract" xlink:label="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardIntrinsicValueAbstract_DFF86C0DA616AA20639BEA71CBD56DF9" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_72B788F231D294A058AEEA71CBD1F492" xlink:to="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardIntrinsicValueAbstract_DFF86C0DA616AA20639BEA71CBD56DF9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_830A73BFE47DDA2BE2AAEA71CBD60277" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardIntrinsicValueAbstract_DFF86C0DA616AA20639BEA71CBD56DF9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_830A73BFE47DDA2BE2AAEA71CBD60277" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_7925BD2A03B139CE28B2EA71CBD66E6D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardIntrinsicValueAbstract_DFF86C0DA616AA20639BEA71CBD56DF9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_7925BD2A03B139CE28B2EA71CBD66E6D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_279EB7D25E3262B3E838EA71CBD62AEE" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dell_SharebasedCompensationArrangementbySharebasedPaymentAwardIntrinsicValueAbstract_DFF86C0DA616AA20639BEA71CBD56DF9" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_279EB7D25E3262B3E838EA71CBD62AEE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharePrice" xlink:label="loc_us-gaap_SharePrice_148F9947A7058799AA32EA71CBD68ECB" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_72B788F231D294A058AEEA71CBD1F492" xlink:to="loc_us-gaap_SharePrice_148F9947A7058799AA32EA71CBD68ECB" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/StockBasedCompensationTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/SubsequentEvents" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/SubsequentEventsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="loc_us-gaap_SubsequentEventLineItems_395D2990834734E0EABB0E796ACF9A39" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="loc_us-gaap_SubsequentEventTable_D1005166C6A19C8C61140E796AC87E77" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_395D2990834734E0EABB0E796ACF9A39" xlink:to="loc_us-gaap_SubsequentEventTable_D1005166C6A19C8C61140E796AC87E77" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_865CD91AEC09912DDA160E796ACAAD0C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_D1005166C6A19C8C61140E796AC87E77" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_865CD91AEC09912DDA160E796ACAAD0C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_A3BDC9D7108AC41F6FAE0E796ACA64DB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_865CD91AEC09912DDA160E796ACAAD0C" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_A3BDC9D7108AC41F6FAE0E796ACA64DB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_A3BDC9D7108AC41F6FAE0E796ACA64DB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_865CD91AEC09912DDA160E796ACAAD0C" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_A3BDC9D7108AC41F6FAE0E796ACA64DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_0C9D0896A71C30E19A6E0E796ACAED94" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_A3BDC9D7108AC41F6FAE0E796ACA64DB" xlink:to="loc_us-gaap_SubsequentEventMember_0C9D0896A71C30E19A6E0E796ACAED94" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_DEBFEDC6342E686171BB0E796ACBCF89" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_D1005166C6A19C8C61140E796AC87E77" xlink:to="loc_us-gaap_AwardTypeAxis_DEBFEDC6342E686171BB0E796ACBCF89" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_48DBDDD82CE0DF32A2030E796ACB29CC_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_DEBFEDC6342E686171BB0E796ACBCF89" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_48DBDDD82CE0DF32A2030E796ACB29CC_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_48DBDDD82CE0DF32A2030E796ACB29CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_DEBFEDC6342E686171BB0E796ACBCF89" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_48DBDDD82CE0DF32A2030E796ACB29CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_53A4554BCCE16735D1C80E796ACBE810" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_48DBDDD82CE0DF32A2030E796ACB29CC" xlink:to="loc_us-gaap_RestrictedStockMember_53A4554BCCE16735D1C80E796ACBE810" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_4355600F127931A372420E796ACC0990" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_D1005166C6A19C8C61140E796AC87E77" xlink:to="loc_us-gaap_DebtInstrumentAxis_4355600F127931A372420E796ACC0990" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_69222ED251D56002ADA50E796ACC5428_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_4355600F127931A372420E796ACC0990" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_69222ED251D56002ADA50E796ACC5428_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_69222ED251D56002ADA50E796ACC5428" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_4355600F127931A372420E796ACC0990" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_69222ED251D56002ADA50E796ACC5428" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_MarginLoanFacilityIssued2017DueApril2022Member" xlink:label="loc_dell_MarginLoanFacilityIssued2017DueApril2022Member_D31DD87ED5D6441131580E796ACCF322" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_69222ED251D56002ADA50E796ACC5428" xlink:to="loc_dell_MarginLoanFacilityIssued2017DueApril2022Member_D31DD87ED5D6441131580E796ACCF322" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_61A9ECB4BEAF6F3BBC880E796ACCBB6D" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_D1005166C6A19C8C61140E796AC87E77" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_61A9ECB4BEAF6F3BBC880E796ACCBB6D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_AFD4C54FE1624B9A692D0E796ACC2297_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_61A9ECB4BEAF6F3BBC880E796ACCBB6D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_AFD4C54FE1624B9A692D0E796ACC2297_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_AFD4C54FE1624B9A692D0E796ACC2297" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_61A9ECB4BEAF6F3BBC880E796ACCBB6D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_AFD4C54FE1624B9A692D0E796ACC2297" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BridgeLoanMember" xlink:label="loc_us-gaap_BridgeLoanMember_6A9E8A1A91DBCC4442020E796ACD71C3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_AFD4C54FE1624B9A692D0E796ACC2297" xlink:to="loc_us-gaap_BridgeLoanMember_6A9E8A1A91DBCC4442020E796ACD71C3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_9F7A8D0F4FB8319E4A530E797F1BF7AF" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_D1005166C6A19C8C61140E796AC87E77" xlink:to="loc_us-gaap_CreditFacilityAxis_9F7A8D0F4FB8319E4A530E797F1BF7AF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_D362DCE1117CD49961E60E7980152E78_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_9F7A8D0F4FB8319E4A530E797F1BF7AF" xlink:to="loc_us-gaap_CreditFacilityDomain_D362DCE1117CD49961E60E7980152E78_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_D362DCE1117CD49961E60E7980152E78" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_9F7A8D0F4FB8319E4A530E797F1BF7AF" xlink:to="loc_us-gaap_CreditFacilityDomain_D362DCE1117CD49961E60E7980152E78" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_D500FE49FB59C68913BE0E797FC97D08" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_D362DCE1117CD49961E60E7980152E78" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_D500FE49FB59C68913BE0E797FC97D08" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_351B22E55435D073E7BD0E796ACDF854" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_D1005166C6A19C8C61140E796AC87E77" xlink:to="loc_us-gaap_StatementClassOfStockAxis_351B22E55435D073E7BD0E796ACDF854" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_685A97DD8A989551AA6C0E796ACDDC45_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_351B22E55435D073E7BD0E796ACDF854" xlink:to="loc_us-gaap_ClassOfStockDomain_685A97DD8A989551AA6C0E796ACDDC45_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_685A97DD8A989551AA6C0E796ACDDC45" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_351B22E55435D073E7BD0E796ACDF854" xlink:to="loc_us-gaap_ClassOfStockDomain_685A97DD8A989551AA6C0E796ACDDC45" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassCMember" xlink:label="loc_us-gaap_CommonClassCMember_FAD61758213C8E7DFE9A0E796ACD245B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_685A97DD8A989551AA6C0E796ACDDC45" xlink:to="loc_us-gaap_CommonClassCMember_FAD61758213C8E7DFE9A0E796ACD245B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="loc_us-gaap_CommonClassBMember_12FF1A794A1F3D9E6F9E0E796ACE1FE8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_685A97DD8A989551AA6C0E796ACDDC45" xlink:to="loc_us-gaap_CommonClassBMember_12FF1A794A1F3D9E6F9E0E796ACE1FE8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="loc_us-gaap_CommonClassAMember_A41028136FAE66334A690E796ACE62FA" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_685A97DD8A989551AA6C0E796ACDDC45" xlink:to="loc_us-gaap_CommonClassAMember_A41028136FAE66334A690E796ACE62FA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_AB553DEC4B706A4757C00E796ACEE6C2" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_D1005166C6A19C8C61140E796AC87E77" xlink:to="loc_srt_RangeAxis_AB553DEC4B706A4757C00E796ACEE6C2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_C8C93DAD2812245965C80E796ACEC1ED_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_AB553DEC4B706A4757C00E796ACEE6C2" xlink:to="loc_srt_RangeMember_C8C93DAD2812245965C80E796ACEC1ED_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_C8C93DAD2812245965C80E796ACEC1ED" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_AB553DEC4B706A4757C00E796ACEE6C2" xlink:to="loc_srt_RangeMember_C8C93DAD2812245965C80E796ACEC1ED" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_7B5421E18CBD6455FE9C0E796ACE3A37" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_C8C93DAD2812245965C80E796ACEC1ED" xlink:to="loc_srt_MinimumMember_7B5421E18CBD6455FE9C0E796ACE3A37" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_36A792855B8258D94BBD0E796ACFB0F3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_C8C93DAD2812245965C80E796ACEC1ED" xlink:to="loc_srt_MaximumMember_36A792855B8258D94BBD0E796ACFB0F3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_3EEB4F640AB63DE89E390E796ACF2FCE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_395D2990834734E0EABB0E796ACF9A39" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_3EEB4F640AB63DE89E390E796ACF2FCE" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_SaleofStockCloseTransactionPeriod" xlink:label="loc_dell_SaleofStockCloseTransactionPeriod_130C39A72B6C37C2B2400E796ACFB40A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_395D2990834734E0EABB0E796ACF9A39" xlink:to="loc_dell_SaleofStockCloseTransactionPeriod_130C39A72B6C37C2B2400E796ACFB40A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_785BD7AA0CB468003C5F0E796ACF16A0" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_395D2990834734E0EABB0E796ACF9A39" xlink:to="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_785BD7AA0CB468003C5F0E796ACF16A0" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_StockRepurchaseProgramTerm" xlink:label="loc_dell_StockRepurchaseProgramTerm_CB160A57B5BDEC529DB10E796AD0CE0B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_395D2990834734E0EABB0E796ACF9A39" xlink:to="loc_dell_StockRepurchaseProgramTerm_CB160A57B5BDEC529DB10E796AD0CE0B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_FBCE7A221F3490015EB20E7AEDD301E1" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_395D2990834734E0EABB0E796ACF9A39" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_FBCE7A221F3490015EB20E7AEDD301E1" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DebtInstrumentCollateralAmountShares" xlink:label="loc_dell_DebtInstrumentCollateralAmountShares_349E3F041568337F988B0E796AD017F4" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_395D2990834734E0EABB0E796ACF9A39" xlink:to="loc_dell_DebtInstrumentCollateralAmountShares_349E3F041568337F988B0E796AD017F4" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/SupplementalConsolidatedFinancialInformation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationInformationOnSelectedAccountsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryLineItems" xlink:label="loc_us-gaap_InventoryLineItems_D543DA706F24D351B14CE9F294E3A672" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryCurrentTable" xlink:label="loc_us-gaap_InventoryCurrentTable_83905CDCF6B656027046E9F294E1CBFB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_InventoryLineItems_D543DA706F24D351B14CE9F294E3A672" xlink:to="loc_us-gaap_InventoryCurrentTable_83905CDCF6B656027046E9F294E1CBFB" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_171B9D2A86F58B8CAC39E9F294E18882" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_InventoryCurrentTable_83905CDCF6B656027046E9F294E1CBFB" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_171B9D2A86F58B8CAC39E9F294E18882" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_E5865A3FC0F22A127347E9F294E285D1_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_171B9D2A86F58B8CAC39E9F294E18882" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_E5865A3FC0F22A127347E9F294E285D1_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_E5865A3FC0F22A127347E9F294E285D1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_171B9D2A86F58B8CAC39E9F294E18882" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_E5865A3FC0F22A127347E9F294E285D1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComputerEquipmentMember" xlink:label="loc_us-gaap_ComputerEquipmentMember_9C6F5DBD7B201AD8CCFFE9F294E2AFF6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_E5865A3FC0F22A127347E9F294E285D1" xlink:to="loc_us-gaap_ComputerEquipmentMember_9C6F5DBD7B201AD8CCFFE9F294E2AFF6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LandAndBuildingMember" xlink:label="loc_us-gaap_LandAndBuildingMember_22C2F70C2EF7698FB3AEE9F294E21994" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_E5865A3FC0F22A127347E9F294E285D1" xlink:to="loc_us-gaap_LandAndBuildingMember_22C2F70C2EF7698FB3AEE9F294E21994" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherMachineryAndEquipmentMember" xlink:label="loc_us-gaap_OtherMachineryAndEquipmentMember_E1F9054DEFDCC7BA7D48E9F294E2DF2F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_E5865A3FC0F22A127347E9F294E285D1" xlink:to="loc_us-gaap_OtherMachineryAndEquipmentMember_E1F9054DEFDCC7BA7D48E9F294E2DF2F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_AD0193E529E4533478ABE9F294E3FCF3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_D543DA706F24D351B14CE9F294E3A672" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_AD0193E529E4533478ABE9F294E3FCF3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_74944E8977A94A9B1626E9F294E3A728" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_AD0193E529E4533478ABE9F294E3FCF3" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_74944E8977A94A9B1626E9F294E3A728" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedCashCurrent" xlink:label="loc_us-gaap_RestrictedCashCurrent_C1906CFD95573FAFFECAE9F294E31A96" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_AD0193E529E4533478ABE9F294E3FCF3" xlink:to="loc_us-gaap_RestrictedCashCurrent_C1906CFD95573FAFFECAE9F294E31A96" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedCashNoncurrent" xlink:label="loc_us-gaap_RestrictedCashNoncurrent_BD6A8CC5D83F4CF755B9E9F294E42FD3" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_AD0193E529E4533478ABE9F294E3FCF3" xlink:to="loc_us-gaap_RestrictedCashNoncurrent_BD6A8CC5D83F4CF755B9E9F294E42FD3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_DD96C50AB6FDCFB701D1E9F294E42233" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_AD0193E529E4533478ABE9F294E3FCF3" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_DD96C50AB6FDCFB701D1E9F294E42233" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsReceivableNetAbstract" xlink:label="loc_us-gaap_AccountsReceivableNetAbstract_937FDDA6D69207AC01DCE9F294E45B39" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_D543DA706F24D351B14CE9F294E3A672" xlink:to="loc_us-gaap_AccountsReceivableNetAbstract_937FDDA6D69207AC01DCE9F294E45B39" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_1F1773CEF29E899CA51DE9F294E496F9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsReceivableNetAbstract_937FDDA6D69207AC01DCE9F294E45B39" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_1F1773CEF29E899CA51DE9F294E496F9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_CF5C6BA6A0577C3DFD50E9F294E4577D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsReceivableNetAbstract_937FDDA6D69207AC01DCE9F294E45B39" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_CF5C6BA6A0577C3DFD50E9F294E4577D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_72E47F101A7079CFA5CAE9F294E55B16" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsReceivableNetAbstract_937FDDA6D69207AC01DCE9F294E45B39" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_72E47F101A7079CFA5CAE9F294E55B16" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryNetAbstract" xlink:label="loc_us-gaap_InventoryNetAbstract_D7AF4EDAE4DE28D824EBE9F294E5504C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_D543DA706F24D351B14CE9F294E3A672" xlink:to="loc_us-gaap_InventoryNetAbstract_D7AF4EDAE4DE28D824EBE9F294E5504C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_84CAB26EDF820EF7444FE9F294E528E0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryNetAbstract_D7AF4EDAE4DE28D824EBE9F294E5504C" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_84CAB26EDF820EF7444FE9F294E528E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_155C1C2DFDD8F1EF29DDE9F294E547F4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryNetAbstract_D7AF4EDAE4DE28D824EBE9F294E5504C" xlink:to="loc_us-gaap_InventoryWorkInProcessNetOfReserves_155C1C2DFDD8F1EF29DDE9F294E547F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_5DD1F92FB6F8DC1C70B3E9F294E58BF3" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryNetAbstract_D7AF4EDAE4DE28D824EBE9F294E5504C" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_5DD1F92FB6F8DC1C70B3E9F294E58BF3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_F8077DBBDACBE06D20F7E9F294E5AD18" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryNetAbstract_D7AF4EDAE4DE28D824EBE9F294E5504C" xlink:to="loc_us-gaap_InventoryNet_F8077DBBDACBE06D20F7E9F294E5AD18" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsAbstract" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsAbstract_B726048FD07E9B1B8018E9F294E616BA" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_D543DA706F24D351B14CE9F294E3A672" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsAbstract_B726048FD07E9B1B8018E9F294E616BA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_D4BD37E911E881B10DF2E9F294E6258E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsAbstract_B726048FD07E9B1B8018E9F294E616BA" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_D4BD37E911E881B10DF2E9F294E6258E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_EAB7CA295BD79ED0DDEBE9F294E62959" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_D543DA706F24D351B14CE9F294E3A672" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAbstract_EAB7CA295BD79ED0DDEBE9F294E62959" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_8DB1CEC106743E3F5BE7E9F294E651BD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_EAB7CA295BD79ED0DDEBE9F294E62959" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_8DB1CEC106743E3F5BE7E9F294E651BD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_0A54987C60FC1EAD3674E9F294E71F00" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_EAB7CA295BD79ED0DDEBE9F294E62959" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_0A54987C60FC1EAD3674E9F294E71F00" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1677362C694F519B9928E9F294E749D7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_EAB7CA295BD79ED0DDEBE9F294E62959" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_1677362C694F519B9928E9F294E749D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsAbstract" xlink:label="loc_us-gaap_OtherAssetsAbstract_4C4ACE59E83B709B2C3DE9F294E7F75C" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_D543DA706F24D351B14CE9F294E3A672" xlink:to="loc_us-gaap_OtherAssetsAbstract_4C4ACE59E83B709B2C3DE9F294E7F75C" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_DeferredTaxAssetsAndOther" xlink:label="loc_dell_DeferredTaxAssetsAndOther_AB3C5927E09BDDEA7138E9F294E70D7D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherAssetsAbstract_4C4ACE59E83B709B2C3DE9F294E7F75C" xlink:to="loc_dell_DeferredTaxAssetsAndOther_AB3C5927E09BDDEA7138E9F294E70D7D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_AFF974E7B8D0DF4C76E8E9F294E72501" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherAssetsAbstract_4C4ACE59E83B709B2C3DE9F294E7F75C" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_AFF974E7B8D0DF4C76E8E9F294E72501" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerAssetNetNoncurrent" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetNoncurrent_1D7A899E2E231A9E8394E9F294E87AF2" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherAssetsAbstract_4C4ACE59E83B709B2C3DE9F294E7F75C" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetNoncurrent_1D7A899E2E231A9E8394E9F294E87AF2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsMiscellaneousNoncurrent" xlink:label="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_B799104C58D4D808E743E9F294ED2B18" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherAssetsAbstract_4C4ACE59E83B709B2C3DE9F294E7F75C" xlink:to="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_B799104C58D4D808E743E9F294ED2B18" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_3A05844CF390BAB2278AE9F294EDDC29" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherAssetsAbstract_4C4ACE59E83B709B2C3DE9F294E7F75C" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_3A05844CF390BAB2278AE9F294EDDC29" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_0E0022BE23EDAC73E4A8E9F294EDCCAB" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_D543DA706F24D351B14CE9F294E3A672" xlink:to="loc_us-gaap_Depreciation_0E0022BE23EDAC73E4A8E9F294EDCCAB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisposals" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisposals_5F231267C29BB6AC21A3E9F294ED0332" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_D543DA706F24D351B14CE9F294E3A672" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentDisposals_5F231267C29BB6AC21A3E9F294ED0332" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedLiabilitiesAndOtherLiabilitiesAbstract" xlink:label="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilitiesAbstract_55055271ADAE3CDAAA36E9F294EE254B" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_D543DA706F24D351B14CE9F294E3A672" xlink:to="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilitiesAbstract_55055271ADAE3CDAAA36E9F294EE254B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_2A584CBB1054C994F9C0E9F294EE457B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilitiesAbstract_55055271ADAE3CDAAA36E9F294EE254B" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_2A584CBB1054C994F9C0E9F294EE457B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TaxesPayableCurrent" xlink:label="loc_us-gaap_TaxesPayableCurrent_E86660B7CC4907D658BAE9F294EE282A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilitiesAbstract_55055271ADAE3CDAAA36E9F294EE254B" xlink:to="loc_us-gaap_TaxesPayableCurrent_E86660B7CC4907D658BAE9F294EE282A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedMarketingCostsCurrent" xlink:label="loc_us-gaap_AccruedMarketingCostsCurrent_CD8BB239CED66C9DE477E9F294EE4B42" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilitiesAbstract_55055271ADAE3CDAAA36E9F294EE254B" xlink:to="loc_us-gaap_AccruedMarketingCostsCurrent_CD8BB239CED66C9DE477E9F294EE4B42" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_D6A4A67E035401FC6510E9F294EE0C8E" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilitiesAbstract_55055271ADAE3CDAAA36E9F294EE254B" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_D6A4A67E035401FC6510E9F294EE0C8E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StandardProductWarrantyAccrualCurrent" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualCurrent_2FEA4E55B20AA9B4A1A1E9F294EE06F2" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilitiesAbstract_55055271ADAE3CDAAA36E9F294EE254B" xlink:to="loc_us-gaap_StandardProductWarrantyAccrualCurrent_2FEA4E55B20AA9B4A1A1E9F294EE06F2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherSundryLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherSundryLiabilitiesCurrent_B0CE2386353A29390A0BE9F294EF6DC9" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilitiesAbstract_55055271ADAE3CDAAA36E9F294EE254B" xlink:to="loc_us-gaap_OtherSundryLiabilitiesCurrent_B0CE2386353A29390A0BE9F294EF6DC9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_831E157698A98EF54545E9F294EF36FC" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilitiesAbstract_55055271ADAE3CDAAA36E9F294EE254B" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_831E157698A98EF54545E9F294EF36FC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrentAbstract" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_56EB27DD3366E815FF5EE9F294EF831E" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_D543DA706F24D351B14CE9F294E3A672" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_56EB27DD3366E815FF5EE9F294EF831E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_E018845D2B9FBA384F2CE9F294EFFFA9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_56EB27DD3366E815FF5EE9F294EF831E" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_E018845D2B9FBA384F2CE9F294EFFFA9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_72ABEB5BEA5E56E1F706E9F294F01FD9" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_56EB27DD3366E815FF5EE9F294EF831E" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_72ABEB5BEA5E56E1F706E9F294F01FD9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StandardProductWarrantyAccrualNoncurrent" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualNoncurrent_8E5EBC19184F6DED7313E9F294F0721C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_56EB27DD3366E815FF5EE9F294EF831E" xlink:to="loc_us-gaap_StandardProductWarrantyAccrualNoncurrent_8E5EBC19184F6DED7313E9F294F0721C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherSundryLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherSundryLiabilitiesNoncurrent_9C0085C497DE3612343AE9F294F0DDD5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_56EB27DD3366E815FF5EE9F294EF831E" xlink:to="loc_us-gaap_OtherSundryLiabilitiesNoncurrent_9C0085C497DE3612343AE9F294F0DDD5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_103004B82CFDD9EBBA2CE9F294F0B074" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_56EB27DD3366E815FF5EE9F294EF831E" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_103004B82CFDD9EBBA2CE9F294F0B074" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationInterestAndOtherNetDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationSeveranceChargesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_9D5A9ECE8F86E5FA7A59E9F2947881A3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_860A5442F29246D080E0E9F29476FF7F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_9D5A9ECE8F86E5FA7A59E9F2947881A3" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_860A5442F29246D080E0E9F29476FF7F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_CAA789C1133B17EE5EB8E9F2947681B8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_860A5442F29246D080E0E9F29476FF7F" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_CAA789C1133B17EE5EB8E9F2947681B8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_1A7A354220D889D919E4E9F29477B2B7_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_CAA789C1133B17EE5EB8E9F2947681B8" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_1A7A354220D889D919E4E9F29477B2B7_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_1A7A354220D889D919E4E9F29477B2B7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_CAA789C1133B17EE5EB8E9F2947681B8" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_1A7A354220D889D919E4E9F29477B2B7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_3028D0ACAE9CAD8268FAE9F294774F73" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_1A7A354220D889D919E4E9F29477B2B7" xlink:to="loc_us-gaap_CostOfSalesMember_3028D0ACAE9CAD8268FAE9F294774F73" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_EA39DF3B4AAF939B1BC3E9F2947777F1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_1A7A354220D889D919E4E9F29477B2B7" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_EA39DF3B4AAF939B1BC3E9F2947777F1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_058A55683510C4DBB124E9F294782F3D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_1A7A354220D889D919E4E9F29477B2B7" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_058A55683510C4DBB124E9F294782F3D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_39251963FACBC8B46D91E9F29478F704" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_860A5442F29246D080E0E9F29476FF7F" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_39251963FACBC8B46D91E9F29478F704" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_A9177CA73A1000091B2BE9F294782460_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_39251963FACBC8B46D91E9F29478F704" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_A9177CA73A1000091B2BE9F294782460_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_A9177CA73A1000091B2BE9F294782460" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_39251963FACBC8B46D91E9F29478F704" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_A9177CA73A1000091B2BE9F294782460" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeSeveranceMember" xlink:label="loc_us-gaap_EmployeeSeveranceMember_A1245CBC425B58DEA178E9F294788249" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_A9177CA73A1000091B2BE9F294782460" xlink:to="loc_us-gaap_EmployeeSeveranceMember_A1245CBC425B58DEA178E9F294788249" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_A8E01DB835E94B5C2B7DE9F29479A9C7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_9D5A9ECE8F86E5FA7A59E9F2947881A3" xlink:to="loc_us-gaap_RestructuringCharges_A8E01DB835E94B5C2B7DE9F29479A9C7" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationSeveranceLiabilityDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationValuationAndQualifyingAccountsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="loc_srt_ValuationAndQualifyingAccountsDisclosureLineItems_C14DA652417D1224F5C7E9F294A9FA9B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="loc_srt_ValuationAndQualifyingAccountsDisclosureTable_1E2270395DBAF94928D5E9F294A7D56E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_srt_ValuationAndQualifyingAccountsDisclosureLineItems_C14DA652417D1224F5C7E9F294A9FA9B" xlink:to="loc_srt_ValuationAndQualifyingAccountsDisclosureTable_1E2270395DBAF94928D5E9F294A7D56E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_9ACD310FC247AB07EDA7E9F294A7F442" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_ValuationAndQualifyingAccountsDisclosureTable_1E2270395DBAF94928D5E9F294A7D56E" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_9ACD310FC247AB07EDA7E9F294A7F442" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_7A01E2A9F25633254488E9F294A836DB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_9ACD310FC247AB07EDA7E9F294A7F442" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_7A01E2A9F25633254488E9F294A836DB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_7A01E2A9F25633254488E9F294A836DB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_9ACD310FC247AB07EDA7E9F294A7F442" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_7A01E2A9F25633254488E9F294A836DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForCreditLossMember" xlink:label="loc_us-gaap_AllowanceForCreditLossMember_94C0E8749539881313D3E9F294A8F854" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_7A01E2A9F25633254488E9F294A836DB" xlink:to="loc_us-gaap_AllowanceForCreditLossMember_94C0E8749539881313D3E9F294A8F854" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForLossesOnFinanceReceivablesMember" xlink:label="loc_us-gaap_AllowanceForLossesOnFinanceReceivablesMember_06024DFB3084B20283F4E9F294A867CD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_7A01E2A9F25633254488E9F294A836DB" xlink:to="loc_us-gaap_AllowanceForLossesOnFinanceReceivablesMember_06024DFB3084B20283F4E9F294A867CD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember" xlink:label="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_464C7571DC30EB0DF293E9F294A8B4D3" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_7A01E2A9F25633254488E9F294A836DB" xlink:to="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_464C7571DC30EB0DF293E9F294A8B4D3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_EA0B23F4926B3E9ABB51E9F294A99006" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ValuationAndQualifyingAccountsDisclosureLineItems_C14DA652417D1224F5C7E9F294A9FA9B" xlink:to="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_EA0B23F4926B3E9ABB51E9F294A99006" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_78F201542CE3E386A210E9F294A98650" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_EA0B23F4926B3E9ABB51E9F294A99006" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesBalance_78F201542CE3E386A210E9F294A98650" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_34ED96E3CB047ECF552DE9F294A9E8C1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_EA0B23F4926B3E9ABB51E9F294A99006" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_34ED96E3CB047ECF552DE9F294A9E8C1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDeductions_202688AFCBD8BF2BDDF4E9F294AA27A7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_EA0B23F4926B3E9ABB51E9F294A99006" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDeductions_202688AFCBD8BF2BDDF4E9F294AA27A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowancesAndReservesReservesOfBusinessesAcquired" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesReservesOfBusinessesAcquired_085901030E35A972D0B4E9F294AA4876" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_EA0B23F4926B3E9ABB51E9F294A99006" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesReservesOfBusinessesAcquired_085901030E35A972D0B4E9F294AA4876" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/SupplementalConsolidatedFinancialInformationWarrantyLiabilityDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/UnauditedQuarterlyResults" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.dell.com/role/UnauditedQuarterlyResultsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_65B57DD765FB1B27F3D1E9F293DA2FCF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_72F8E695FDCBDAAE8CC0E9F293D9159E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_65B57DD765FB1B27F3D1E9F293DA2FCF" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_72F8E695FDCBDAAE8CC0E9F293D9159E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_689C71329088B78DA704E9F293D93673" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_72F8E695FDCBDAAE8CC0E9F293D9159E" xlink:to="loc_us-gaap_StatementClassOfStockAxis_689C71329088B78DA704E9F293D93673" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_55913A836CBA5F09567FE9F293D94965_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_689C71329088B78DA704E9F293D93673" xlink:to="loc_us-gaap_ClassOfStockDomain_55913A836CBA5F09567FE9F293D94965_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_55913A836CBA5F09567FE9F293D94965" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_689C71329088B78DA704E9F293D93673" xlink:to="loc_us-gaap_ClassOfStockDomain_55913A836CBA5F09567FE9F293D94965" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember" xlink:label="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_9478823BB1FE63F65123E9F293D98552" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_55913A836CBA5F09567FE9F293D94965" xlink:to="loc_dell_CommonClassACommonClassBCommonClassCAndCommonClassDMember_9478823BB1FE63F65123E9F293D98552" xlink:type="arc" />
    <link:loc xlink:href="dell-20200131.xsd#dell_CommonClassVMember" xlink:label="loc_dell_CommonClassVMember_324B5CD724371694A730E9F293DAF373" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_55913A836CBA5F09567FE9F293D94965" xlink:to="loc_dell_CommonClassVMember_324B5CD724371694A730E9F293DAF373" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_8E1F5D4A467A7E8A546EE9F293DA2EAC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_65B57DD765FB1B27F3D1E9F293DA2FCF" xlink:to="loc_us-gaap_Revenues_8E1F5D4A467A7E8A546EE9F293DA2EAC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_C0838B86EFF51948CC3FE9F293DA0A0C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_65B57DD765FB1B27F3D1E9F293DA2FCF" xlink:to="loc_us-gaap_GrossProfit_C0838B86EFF51948CC3FE9F293DA0A0C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_AE59ADE2D9986DD515DAE9F293DBDAF4" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_65B57DD765FB1B27F3D1E9F293DA2FCF" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_AE59ADE2D9986DD515DAE9F293DBDAF4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_0CD2BF6063F87384AB8EE9F293DBD36F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_65B57DD765FB1B27F3D1E9F293DA2FCF" xlink:to="loc_us-gaap_NetIncomeLoss_0CD2BF6063F87384AB8EE9F293DBD36F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_1FA85C8FF6331D2006A1E9F293DB8D6B" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_65B57DD765FB1B27F3D1E9F293DA2FCF" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_1FA85C8FF6331D2006A1E9F293DB8D6B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_CAE10561E47D5EF21E33E9F293DB8687" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_65B57DD765FB1B27F3D1E9F293DA2FCF" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_CAE10561E47D5EF21E33E9F293DB8687" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.dell.com/role/UnauditedQuarterlyResultsTables" xlink:type="extended" />
</link:linkbase>
