FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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 * COTE KATHLEEN A   2. Issuer Name and Ticker or Trading Symbol WESTERN DIGITAL CORP [WDC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O WESTERN DIGITAL CORPORATION, 20511 LAKE FOREST DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 12/02/2004 (Street) LAKE FOREST, CA 92630-7741 4. If Amendment, Date Original Filed(Month/Day/Year) 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 Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 12/02/2004   M   7,500 A $ 4.875 7,500 D   Common Stock 12/02/2004   M   7,500 A $ 4.53 15,000 D   Common Stock 12/02/2004   S   15,000 D $ 10.39 0 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Non-Qualified Stock Option (right to buy)

$ 4.53

12/02/2004

M

7,500

11/29/2002(1)

11/29/2011(2)

Common Stock

7,500

$ 0

2,500

D

Non-Qualified Stock Option (right to buy)

$ 4.875

12/02/2004

M

7,500

01/23/2002(3)

01/23/2011

Common Stock

7,500

$ 0

67,500

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
COTE KATHLEEN A C/O WESTERN DIGITAL CORPORATION 20511 LAKE FOREST DRIVE LAKE FOREST, CA 92630-7741	X

Signatures

By: /s/ Sandra Garcia Attorney-in-Fact For: Kathleen A. Cote		12/06/2004
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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)	The option vested 25% 12 months from the grant date of 11/29/2001 and 6.25% vested at the end of each three-month period between 11/30/2002 through 11/29/2004. The remaining shares underlying the option will vest 6.25 % at the end of each three-month period thereafter.
(2)	The expiration date was inadvertently reported as 11/19/2011 on a form filed on 6/28/2002.
(3)	The option vested 25% 12 months from the grant date of 1/23/2001 and 6.25% vested at the end of each three-month period between 1/24/2002 through 10/23/2004. The remaining shares underlying the option will vest 6.25 % at the end of each three-month period thereafter.

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