January 9, 2007 8K DOC


UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549



FORM 8-K


CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 9, 2007

Adaptec, Inc.
(Exact name of registrant as specified in its charter)

Delaware
0-15071
94-2748530
 (State of other jurisdiction of incorporation)
 (Commission File Number)
(I.R.S. Employer Identification Number)

691 S. Milpitas Blvd.
Milpitas, California    95035

(Address of principal executive offices including zip code)

(408) 945-8600
(Registrant's telephone number, including area code)

      N/A      
(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))



Item 2.02.    Results of Operations and Financial Condition.

On January 9, 2007, Adaptec, Inc. issued a press release updating its revenue and earnings expectations for the quarter ended December 31, 2006. A copy of Adaptec's press release announcing these revised revenue and earnings expectations is attached as Exhibit 99.1 to this Current Report on Form 8-K.

The information in this report shall not be treated as "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933 or the Securities Exchange Act of 1934, except as expressly stated by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits

(d) Exhibits.

The exhibit listed below is furnished pursuant to Item 2.02 hereof and shall not be deemed "filed" under the Securities Exchange Act of 1934.

 99.1

Press release issued by Adaptec, Inc. on January 9, 2007.








SIGNATURE

      Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date:   January 10, 2007

ADAPTEC, INC.

By: /s/ Christopher G. O'Meara
       Christopher G. O'Meara
       Vice President and Chief Financial Officer








EXHIBIT INDEX

Exhibit Number

Description of Exhibit

 99.1*

Press release issued by Adaptec, Inc. on January 9, 2007.      Also provided in PDF format as a courtesy.

*    This exhibit is intended to be furnished and shall not be deemed "filed" for purposes of the Securities Exchange Act of 1934.