SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* STEEL PARTNERS II LP (Last) (First) (Middle) 590 MADISON AVENUE, 32ND FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol ADAPTEC INC [ ADPT ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 11/06/2008
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

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, $.001 Par Value	11/06/2008		P		12,850	A	$2.9999	22,024,896	D(1)(2)
Common Stock, $.001 Par Value	11/06/2008		P		12,850	A	$2.9999	22,037,746	D(1)(2)
Common Stock, $.001 Par Value	11/06/2008		P		250,000	A	$3	22,287,746	D(1)(2)
Common Stock, $.001 Par Value	11/06/2008		P		250,000	A	$3	22,537,746	D(1)(2)
Common Stock, $.001 Par Value	11/07/2008		P		750	A	$3.004	22,538,496	D(1)(2)
Common Stock, $.001 Par Value	11/07/2008		P		750	A	$3.004	22,539,246	D(1)(2)

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 Securities Underlying Derivative Security (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: 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

1. Name and Address of Reporting Person* STEEL PARTNERS II LP (Last) (First) (Middle) 590 MADISON AVENUE, 32ND FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Steel Partners LLC (Last) (First) (Middle) C/O STEEL PARTNERS II, L.P. 590 MADISON AVENUE, 32ND FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* LICHTENSTEIN WARREN G (Last) (First) (Middle) C/O STEEL PARTNERS II, L.P. 590 MADISON AVENUE, 32ND FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* STEEL PARTNERS II GP LLC (Last) (First) (Middle) C/O STEEL PARTNERS II, L.P. 590 MADISON AVENUE, 32ND FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Steel Partners II Master Fund L.P. (Last) (First) (Middle) MORGAN STANLEY FUND SERVICES LTD CRICKET SQ FL2 BOUNDARY HALL HUTCHINS DR (Street) BOX 2681 GRAND CAYMAN KY1-1111 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. This Form 4 is filed jointly by Steel Partners II, L.P. ("Steel Partners II"), Steel Partners II GP LLC ("Steel GP LLC"), Steel Partners II Master Fund L.P. ("Steel Master"), Steel Partners LLC ("Partners LLC") and Warren G. Lichtenstein. Steel GP LLC, Steel Master, Partners LLC and Mr. Lichtenstein may be deemed to be 10% owners of the Issuer and Steel Partners II is a 10% owner of the Issuer.

2. The securities reported in this Form 4 are owned directly by Steel Partners II, and owned indirectly by Steel GP LLC by virtue of it being the general partner of Steel Partners II and Steel Master, by Steel Master by virtue of it being the sole limited partner of Steel Partners II, by Partners LLC by virtue of it being the investment manager of Steel Partners II and Steel Master and by Mr. Lichtenstein by virtue of his position as the manager of Partners LLC and the managing member of Steel GP LLC. Steel GP LLC, Steel Master, Partners LLC and Mr. Lichtenstein disclaim beneficial ownership of the shares owned by Steel Partners II except to the extent of their pecuniary interest therein.

Remarks:

	By: Steel Partners II, L.P., By: Steel Partners II GP LLC, General Partner, By: /s/ Sanford Antignas, as Attorney in Fact for Warren G. Lichtenstein, Managing Member	11/10/2008
	By: Steel Partners LLC, By: /s/ Sanford Antignas, as Attorney In Fact for Warren G. Lichtenstein, Manager	11/10/2008
	By: By: /s/ Sanford Antignas, as Attorney in Fact for Warren G. Lichtenstein	11/10/2008
	By: Steel Partners II GP LLC, By: /s/ Sanford Antignas, as Attorney In Fact for Warren G. Lichtenstein, Managing Member	11/10/2008
	By: Steel Partners II Master Fund L.P., By: Steel Partners II GP LLC, General Partner, By: /s/ Sanford Antignas, as Attorney In Fact for Warren G. Lichtenstein, Managing Member	11/10/2008
	** Signature of Reporting Person	Date
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