Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Robertson Donald F Jr
 2. Date of Event Requiring Statement (Month/Day/Year)
02/14/2019		 3. Issuer Name and Ticker or Trading Symbol
WESTERN DIGITAL CORP [WDC]
(Last)
(First)
(Middle)
C/O WESTERN DIGITAL CORPORATION, 5601 GREAT OAKS PARKWAY		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP, Finance & CAO
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SAN JOSE, CA 95119		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 30,323.574 (1)
D
 
Common Stock 14
I
by IRA

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Dividend Equivalent Rights   (2)   (2) Common Stock 1,269.9083 $ (2) D  
Employee Stock Option (right to buy) 11/18/2017(3) 02/17/2021 Common Stock 2,845 $ 36.87 D  
Employee Stock Option (right to buy) 11/17/2017(4) 02/16/2022 Common Stock 7,398 $ 40.63 D  
Employee Stock Option (right to buy) 11/03/2017(5) 08/03/2023 Common Stock 8,613 $ 44.78 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Robertson Donald F Jr
C/O WESTERN DIGITAL CORPORATION
5601 GREAT OAKS PARKWAY
SAN JOSE, CA 95119		       VP, Finance & CAO  

Signatures

By: /s/ Sandra Garcia Attorney-in-Fact For: Donald F. Robertson 02/20/2019
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Includes 27,635 unvested awards of restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's common stock.
(2) The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.
(3) The option vested in substantially equal installments at the end of each three-month period through February 18, 2018. The first installment became exercisable on November 18, 2017.
(4) The option vested in substantially equal installments at the end of each three-month period through February 17, 2019. The first installment became exercisable on November 17, 2017.
(5) The option vests in substantially equal installments at the end of each three-month period through August 3, 2020. The first installment became exercisable on November 3, 2017.
 
Remarks:
Exhibit List:
Exhibit 24 - Power-of-Attorney

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