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  <xs:element id="wdc_NumberOfLegalEntities" abstract="false" name="NumberOfLegalEntities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wdc_DividendsDeclared" abstract="false" name="DividendsDeclared" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_PreTaxCatchUpMember" abstract="true" name="PreTaxCatchUpMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_LesseeOperatingLeasesSupplementalBalanceSheetDisclosuresTableTextBlock" abstract="false" name="LesseeOperatingLeasesSupplementalBalanceSheetDisclosuresTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_PrepaymentsOfFutureDepreciationMember" abstract="true" name="PrepaymentsOfFutureDepreciationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_InvestmentFundingCommitments" abstract="false" name="InvestmentFundingCommitments" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_PartnersOwnershipInVentureBusiness" abstract="false" name="PartnersOwnershipInVentureBusiness" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_NetPlanAssetsSubjectToLevelingMember" abstract="true" name="NetPlanAssetsSubjectToLevelingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_GuaranteeObligationsMaximumExposureYearThree" abstract="false" name="GuaranteeObligationsMaximumExposureYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_A2017LongTermIncentivePlanMember" abstract="true" name="A2017LongTermIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_OutstandingAwardsAndSharesAvailableForAwardMember" abstract="true" name="OutstandingAwardsAndSharesAvailableForAwardMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_NoncashExchangeOfTermLoan" abstract="false" name="NoncashExchangeOfTermLoan" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_OtherMember" abstract="true" name="OtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_OtherMiscellaneousLiabilitiesNoncurrent" abstract="false" name="OtherMiscellaneousLiabilitiesNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_ClientDevicesMember" abstract="true" name="ClientDevicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_FlashVenturesMember" abstract="true" name="FlashVenturesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_RevolvingCreditFacility2027Member" abstract="true" name="RevolvingCreditFacility2027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_ComputerEquipmentandSoftwareMember" abstract="true" name="ComputerEquipmentandSoftwareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_TaxYears2008Through2015Member" abstract="true" name="TaxYears2008Through2015Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_Employeeterminationassetimpairmentandothercharges" abstract="false" name="Employeeterminationassetimpairmentandothercharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_KingstonTechnologyCompanyMember" abstract="true" name="KingstonTechnologyCompanyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_EffectiveIncomeTaxRateReconciliationForeignDerivedIntangibleIncomePercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationForeignDerivedIntangibleIncomePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesExcludedFromAuthorizedShares" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesExcludedFromAuthorizedShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="wdc_PurchaseOptionExercisePriceMember" abstract="true" name="PurchaseOptionExercisePriceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPurchasePeriods" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPurchasePeriods" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wdc_IncomeTaxExaminationEstimateofPossibleLossResultingFromTransferPricingAdjustments" abstract="false" name="IncomeTaxExaminationEstimateofPossibleLossResultingFromTransferPricingAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_FlashForwardLtdMember" abstract="true" name="FlashForwardLtdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_ConsumerMember" abstract="true" name="ConsumerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_ScheduleOfCommitmentsContingenciesAndGuaranteesTable" abstract="true" name="ScheduleOfCommitmentsContingenciesAndGuaranteesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="wdc_HDDMember" abstract="true" name="HDDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_OtherCommitmentFutureBuildingDepreciationPrepayment" abstract="false" name="OtherCommitmentFutureBuildingDepreciationPrepayment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_AccumulatedOtherComprehensiveIncomeRollforwardAbstract" abstract="true" name="AccumulatedOtherComprehensiveIncomeRollforwardAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wdc_LeaseholdInterestsMember" abstract="true" name="LeaseholdInterestsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_TermLoanA1Member" abstract="true" name="TermLoanA1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_TaxScenarioAxis" abstract="true" name="TaxScenarioAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wdc_NotesReceivableAndInvestmentsInRelatedParties" abstract="false" name="NotesReceivableAndInvestmentsInRelatedParties" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_ShareRepurchaseProgramMember" abstract="true" name="ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_DefinedBenefitPlanPlanAssetsAmountIncludingAssetsSubjectToLeveling" abstract="false" name="DefinedBenefitPlanPlanAssetsAmountIncludingAssetsSubjectToLeveling" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_EquityMethodInvestorNameDomain" abstract="true" name="EquityMethodInvestorNameDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_PriorServiceCreditsForDefinedBenefitPensionPlansIncludedInAccumulatedOtherComprehensiveIncomeAtBalanceSheetDate" abstract="false" name="PriorServiceCreditsForDefinedBenefitPensionPlansIncludedInAccumulatedOtherComprehensiveIncomeAtBalanceSheetDate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_WesternDigitalCorpMember" abstract="true" name="WesternDigitalCorpMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_RelatedCostsAndFairValuesBasedOnQuotedMarketPricesTableTextBlock" abstract="false" name="RelatedCostsAndFairValuesBasedOnQuotedMarketPricesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_UnrecognizedTaxBenefitsMandatoryDeemedRepatriationLiability" abstract="false" name="UnrecognizedTaxBenefitsMandatoryDeemedRepatriationLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_IncomeTaxDisclosureTable" abstract="true" name="IncomeTaxDisclosureTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="wdc_EffectiveIncomeTaxRateReconciliationIRSTentativeSettlement" abstract="false" name="EffectiveIncomeTaxRateReconciliationIRSTentativeSettlement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_RestrictedStockUnitsAndPerformanceStockUnitsMember" abstract="true" name="RestrictedStockUnitsAndPerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax" abstract="false" name="OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_EntityWideAccountsReceivableMajorCustomerPercentage" abstract="false" name="EntityWideAccountsReceivableMajorCustomerPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_FlashAllianceLtdMember" abstract="true" name="FlashAllianceLtdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_TaxAuthorityMalaysiaMember" abstract="true" name="TaxAuthorityMalaysiaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_UnisVentureMember" abstract="true" name="UnisVentureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_DefinedBenefitPlanFixedIncomeCommingledMutualFundsMember" abstract="true" name="DefinedBenefitPlanFixedIncomeCommingledMutualFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_StockRepurchaseProgramEffectiveUntilJuly252023Member" abstract="true" name="StockRepurchaseProgramEffectiveUntilJuly252023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_TermLoanA2Member" abstract="true" name="TermLoanA2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_UnissoftWuxiGroupCoLtd.Member" abstract="true" name="UnissoftWuxiGroupCoLtd.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_FlashPartnersLtdMember" abstract="true" name="FlashPartnersLtdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_ClosureofForeignManufacturingFacilitiesMember" abstract="true" name="ClosureofForeignManufacturingFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_CostsAssociatedWithUnderutilizedCapacityAsAResultOfUnexpectedPowerOutageIncident" abstract="false" name="CostsAssociatedWithUnderutilizedCapacityAsAResultOfUnexpectedPowerOutageIncident" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_ProceedsFromLongTermLoansForRelatedParties" abstract="false" name="ProceedsFromLongTermLoansForRelatedParties" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsLineItems" abstract="true" name="EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wdc_ThreePointHundredPercentSeniorUnsecuredNotesDueTwoThousandThirtyTwoMember" abstract="true" name="ThreePointHundredPercentSeniorUnsecuredNotesDueTwoThousandThirtyTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_EmployeeStockPurchasePlanMember" abstract="true" name="EmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_ChargesRelatedToPowerOutageIncidentAndRelatedRecovery" abstract="false" name="ChargesRelatedToPowerOutageIncidentAndRelatedRecovery" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_ProductWarrantyTerm" abstract="false" name="ProductWarrantyTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wdc_EuropeMiddleEastAndAfricaMember" abstract="true" name="EuropeMiddleEastAndAfricaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_TwoPointEightyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentyNineMember" abstract="true" name="TwoPointEightyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentyNineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_EmployeeTerminationBenefitsAndOtherChargesDisclosureTextBlock" abstract="false" name="EmployeeTerminationBenefitsAndOtherChargesDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_EffectiveIncomeTaxRateReconciliationForeignMinimumTaxPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationForeignMinimumTaxPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_DomesticTaxAuthorityPre2017ActGenerationMember" abstract="true" name="DomesticTaxAuthorityPre2017ActGenerationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock" abstract="false" name="EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
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  <xs:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardConsecutiveOfferingPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardConsecutiveOfferingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans" abstract="false" name="TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wdc_VariableInterestEntityMaximumLossExposureTableTextBlock" abstract="false" name="VariableInterestEntityMaximumLossExposureTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_TopTenCustomersMember" abstract="true" name="TopTenCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_U.S.TermLoanB4Member" abstract="true" name="U.S.TermLoanB4Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_UnrecognizedTaxBenefitsIncludingAccruedInterestAndPenalties" abstract="false" name="UnrecognizedTaxBenefitsIncludingAccruedInterestAndPenalties" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wdc_NumberOfSharesToBeIssuedForEveryOneShareActuallyIssuedInConnectionWithAward" abstract="false" name="NumberOfSharesToBeIssuedForEveryOneShareActuallyIssuedInConnectionWithAward" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="wdc_ThreePointTenPercentSeniorUnsecuredNotesDueTwoThousandThirtyTwoMember" abstract="true" name="ThreePointTenPercentSeniorUnsecuredNotesDueTwoThousandThirtyTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_CompanyContributionsVestPeriod" abstract="false" name="CompanyContributionsVestPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wdc_RestrictedStockUnitsAndPerformanceShareUnitsMember" abstract="true" name="RestrictedStockUnitsAndPerformanceShareUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_IncomeTaxDisclosureLineItems" abstract="true" name="IncomeTaxDisclosureLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wdc_EquityMethodInvestorNameAxis" abstract="true" name="EquityMethodInvestorNameAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wdc_CloudMember" abstract="true" name="CloudMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_TaxScenarioDomain" abstract="true" name="TaxScenarioDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_SupplementalFinancialInformationLineItems" abstract="true" name="SupplementalFinancialInformationLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wdc_AfterAmendmentMember" abstract="true" name="AfterAmendmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_PaymentOfPrincipalAmortizationMember" abstract="true" name="PaymentOfPrincipalAmortizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_A2021LongTermIncentivePlanMember" abstract="true" name="A2021LongTermIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_SupplementalFinancialInformationTable" abstract="true" name="SupplementalFinancialInformationTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="wdc_OtherComprehensiveIncomeLossNetofTaxPolicyTextBlock" abstract="false" name="OtherComprehensiveIncomeLossNetofTaxPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_RemainingGuaranteeObligationsTableTextBlock" abstract="false" name="RemainingGuaranteeObligationsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_EffectiveIncomeTaxRateReconciliationUnremittedEarningsofNonU.S.EntitiesPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationUnremittedEarningsofNonU.S.EntitiesPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_SummarizedTableOfAllSharesOfCommonStockReservedForIssuanceTableTableTextBlock" abstract="false" name="SummarizedTableOfAllSharesOfCommonStockReservedForIssuanceTableTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_GuaranteeObligationsMaximumExposureYearTwo" abstract="false" name="GuaranteeObligationsMaximumExposureYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_AccumulatedOtherComprehensiveIncomeLossRollForward" abstract="true" name="AccumulatedOtherComprehensiveIncomeLossRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardsEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardsEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="wdc_PostTaxMember" abstract="true" name="PostTaxMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_RelatedPartiesAndRelatedCommitmentsAndContingenciesTextBlock" abstract="false" name="RelatedPartiesAndRelatedCommitmentsAndContingenciesTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_CommonStockValues" abstract="false" name="CommonStockValues" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_PaymentsForLongTermLoansForRelatedParties" abstract="false" name="PaymentsForLongTermLoansForRelatedParties" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_OffBalanceSheetGuaranteeMember" abstract="true" name="OffBalanceSheetGuaranteeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_GuaranteeObligationsMaximumExposureYearFive" abstract="false" name="GuaranteeObligationsMaximumExposureYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsTable" abstract="true" name="EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="wdc_FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember" abstract="true" name="FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_RealEstateInvestmentTrustMember" abstract="true" name="RealEstateInvestmentTrustMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_FlashSegmentMember" abstract="true" name="FlashSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_MaturityPeriodDomain" abstract="true" name="MaturityPeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_July12022ThroughMarch312023Member" abstract="true" name="July12022ThroughMarch312023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_TradenamesandtrademarksMember" abstract="true" name="TradenamesandtrademarksMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_GrossMarginPercentage" abstract="false" name="GrossMarginPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_MaturityPeriodAxis" abstract="true" name="MaturityPeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wdc_BalanceSheetInformationAxis" abstract="true" name="BalanceSheetInformationAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wdc_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFiveAndThereafter" abstract="false" name="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFiveAndThereafter" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_ExistingTechnologyMember" abstract="true" name="ExistingTechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_AggregateValueOfRestrictedStockAwardsVested" abstract="false" name="AggregateValueOfRestrictedStockAwardsVested" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_PreTaxMember" abstract="true" name="PreTaxMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember" abstract="true" name="OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_DefinedBenefitPlanEquityCommingledMutualFundsMember" abstract="true" name="DefinedBenefitPlanEquityCommingledMutualFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_AccountsReceivableBenchmarkMember" abstract="true" name="AccountsReceivableBenchmarkMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_ForeignExchangeForwardContractsDesignatedMember" abstract="true" name="ForeignExchangeForwardContractsDesignatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_DefinedBenefitPlanOtherAssetsMember" abstract="true" name="DefinedBenefitPlanOtherAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_BusinessRealignmentActivitiesMember" abstract="true" name="BusinessRealignmentActivitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_NotesReceivableAndInvestmentsInRelatedPartiesTableTextBlock" abstract="false" name="NotesReceivableAndInvestmentsInRelatedPartiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_KioxiaCorporationMember" abstract="true" name="KioxiaCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_DefinedBenefitPlanEstimatedAnnualBenefitsPaymentPeriod" abstract="false" name="DefinedBenefitPlanEstimatedAnnualBenefitsPaymentPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
</xs:schema>
