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 * TPG SAC ADVISORS III CORP   2. Issuer Name and Ticker or Trading Symbol SEAGATE TECHNOLOGY [STX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O TEXAS PACIFIC GROUP, 301COMMERCE STREET SUITE 3300 3. Date of Earliest Transaction (Month/Day/Year) 04/21/2005 (Street) FORT WORTH TEXAS 76102 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 Shares 04/21/2005   S   15,000,000 D $ 18.45 194,500,000 I See explanation of responses (1) (2) (3)

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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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
TPG SAC ADVISORS III CORP C/O TEXAS PACIFIC GROUP 301COMMERCE STREET SUITE 3300 FORT WORTH TEXAS 76102		X

Signatures

David A. Spuria, Title Vice President		04/25/2005
**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)	TPG SAC Advisors III Corp. ("Advisors III") is the general partner of TPG SAC GenPar III, L.P. ("SAC GenPar"), which is the general partner of SAC Investments, L.P. ("SAC Investments"), which owns approximately 22% of total outstanding ordinary shares of New SAC (together with SAC GenPar and SAC Investments, the "TPG Entities"). New SAC is the parent company of the Issuer and directly held the Issuer's common shares ("Common Shares") reported herein.
(2)	Pursuant to Rule 16a-1(a)(2)(ii)(B) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), Advisors III is deemed to be the beneficial owner of Common Shares beneficially owned by the TPG Entities only to the extent of the greater of its direct or indirect interest in the profits or capital accounts of such entities. Pursuant to Rule 16a-1(a)(4) under the Exchange Act, this filing shall not be deemed an admission that Advisor III is, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owner of any securities beneficially owned by the TPG Entities in excess of such amount.
(3)	David Bonderman, James G. Coulter and William S. Price III are shareholders (the "Shareholders") of Advisors III. James Coulter is also a director of the Issuer. Pursuant to Rule 16a-1(a)(2)(ii)(B) of the Exchange Act, each Shareholder may be deemed to be the beneficial owner of the Common Shares owned by the TPG Entities only to the extent of the greater of his direct or indirect interest in the profits or capital accounts of such entities. Pursuant to Rule 16a-1(a)(4) of the Exchange Act, this filing shall not be deemed an admission that each Shareholder is, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owner of any securities beneficially owned by the TPG Entities in excess of such amount.

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