EXHIBIT 10.37

**Amendment to Manufacturing Services and Supply Agreement**
This Amendment ("Amendment") to the Manufacturing Services and Supply Agreement  shall, for referencepurposes only, be dated May 23, 2007 , and is made and entered into by and between Adaptec, Inc. ("Adaptec") andSanmina-SCI Corporation ("Sanmina"), each a "Party", and together the "Parties."

					
Recitals
WHEREAS, effective as of January 9, 2006, Adaptec and Sanmina entered into a Manufacturing Services and SupplyAgreement (the "Agreement") pursuant to which Sanmina agreed to manufacture and supply to Adaptec certain Productsdescribed in the Agreement; and

WHEREAS, the Parties do wish by this Amendment to: (i) revise certain of the pricing provisions of the Agreement as moreparticularly specified in this Amendment; and (ii) correct an error contained in the Agreement concerning  the number of ECN requeststhat are to be processed by Sanmina free of charge to Adaptec.

NOW THEREFORE, in consideration of the foregoing Recitals and of the mutual promises, covenants, and conditions hereinaftercontained, the Parties do hereby agree as follows:

1.  Capitalized terms not defined in this Amendment shall have the meanings ascribed to them in the Agreement.

2.  The first sentence of Section 7.2 of the Agreement shall be deleted in its entirety and the following substituted in its place:

	"SANMINA-SCI will respond to forty-two (42) ECN requests per month without 	a non-recurring administrativefee."

The foregoing revision to Section 7.2 of the Agreement shall be retroactively effective to January 9, 2006.

3.  Exhibit B to the Agreement, titled "Pricing for Forecasted Singapore Products" shall be revised as follows:

a.	Effective January 1, 2007, Sections 2, 3, and 4 of Exhibit B shall be deleted in their entirety.
	
b.	(Appendix 1 to Exhibit B, the "Baseline Material Costs" shall be deleted in its entirety. The Parties agree that, effectiveretroactively to January 1, 2007, the document dated February 28, 2007, titled "Revised Baseline Material Costs" shall bethe new, revised Appendix 1 to Exhibit B.  No later than ten (10) business days prior to the first calendar day of each calendar quarterduring the term of the Agreement, the Parties shall establish through their mutual written agreement, a new Baseline Material Cost foreach Product Component listed on the revised Appendix 1, such that Appendix 1, the Revised Baseline Material Costs, will effectivelybe amended on a quarterly basis.  The Baseline Material cost for a Product Component shall not be established until such time as theProduct has been production released.  The quarterly revisions to the Revised Baseline Material Costs shall reflect any pricereductions,  that either Adaptec or Sanmina, or both of them, is able to achieve for the Components each of them respectively controls,or any price increases for such Components that are agreed in accordance with the other provisions hereof.	
c.	 Effective as of January 1, 2007, a new Section 2 is added to Exhibit B to the  Agreement as follows:
			"2. Adaptec Controlled Components.
		For those Components that Adaptec controls (the "Adaptec Controlled Components") Adaptec shall be solelyresponsible for negotiating the purchase price of such Components with the vendors thereof and establishing the price at whichSanmina shall purchase such Components from the vendors for use in the manufacture of Adaptec Products.  The Adaptec ControlledComponents may include, but shall not be limited to, PCBs, ASICs, processors, and sole-sourced parts. Attached hereto andincorporated herein by reference is a listing of the Adaptec Controlled Components as of the date of this Amendment. The listing ofAdaptec Controlled Components will be amended each quarter during the term of the Agreement upon the Parties' mutual writtenagreement."

d.	Effective as of January 1, 2007, a new Section 3 is added to Exhibit B to the Agreement as follows:

	"3. Cost Reductions on Sanmina Controlled Components.  

		Each Component that is not an Adaptec Controlled Component shall be deemed to be a "Sanmina ControlledComponent".  For each calendar quarter during the inclusive time period of January 1, 2007 through December 31, 2007, in whichthe below combined minimum dollar amounts of finished Products were purchased from Sanmina by Adaptec or by a third party towhom Adaptec had licensed its technology for the Products, Sanmina shall apply the corresponding percentage cost reductionspecified below to the price of the Sanmina Controlled Components:

Combined Dollar value of finished ProductsPurchased from Sanmina duringthe quarter by (i)Adaptec and (ii) by any third party to whom Adaptec had licensed its technology for theProducts:Percentage cost