SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

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FORM 10-K/A

AMENDMENT NO. 1 TO FORM 10-K

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(MARK ONE)
[X]   ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
     SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2004

OR

[   ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934

FOR THE TRANSITION PERIOD FROM ___________ TO  _____________

Commission file number 0-25699



PLX Technology, Inc.



|Delaware                                                       | 94-3008334                             
|-------------------------------------------------------------- | ---------------------------------------
|(State or Other Jurisdiction of Incorporation or Organization) | (I.R.S. Employer Identification Number)

870 Maude Avenue
Sunnyvale, California     94085

(408) 774-9060

Securities registered pursuant to Section 12(b) of the Act: None

Securities registered pursuant to Section 12(g) of the Act:
               Common stock, $0.001 par value per share

Indicate by check mark whether the
registrant (1) has filed all reports required to be filed by Section 13 or
15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or
for such shorter period that the registrant was required to file such reports),
and (2) has been subject to such filing requirements for the past 90 days. Yes
[ X ]       No  [     ]

Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to the
best of Registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K, or any amendment to
this Form 10-K.      [     ]

Indicate by check mark whether the Registrant is an accelerated filer (as defined in
Rule 121(b)2 of the Securities Exchange Act of 1934). YES [ X ]
      NO  [     ]

The aggregate market value of the voting stock held by non-affiliates of the registrant, based
upon the closing sale price of the registrant's common stock on June 30, 2004, as reported on
The Nasdaq National Market, was approximately $301,480,368. Shares of common stock held by each
executive officer and director and by each person who to the registrant's knowledge owns 5% or
more of the outstanding voting stock have been excluded in that such persons may be deemed to
be affiliates. This determination of affiliate status is not necessarily a conclusive
determination for other purposes.

The number of shares of common stock outstanding at February 23, 2005 was 26,800,473.



DOCUMENTS INCORPORATED BY REFERENCE

PART III OF THIS REPORT ON FORM 10-K INCORPORATES INFORMATION BY REFERENCE FROM
THE REGISTRANT'S PROXY STATEMENT FOR ITS 2004 ANNUAL MEETING OF
STOCKHOLDERS --  ITEMS 10, 11, 12, 13, AND 14.

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EXPLANATORY NOTE

This Amendment to the Registrant's Form 10-K for the year ended December 31, 2004 is being filed to include a revised
Consent of Independent Registered Public Accounting Firm as the original exhibit contained a typographical error.  The
remainder of the Registrant's Form 10-K, previously filed on March 1, 2005, remains unchanged.

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SIGNATURES

Pursuant to the requirements of Section 13
or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused
this report to be signed on its behalf by the undersigned, thereunto duly
authorized.

|March 2, 2005 | PLX Technology, Inc.
by:     /s/     Michael J. Salameh

Name: Michael J. Salameh
Title: Chief Executive Officer
|------------- | ----------------------------------------------------------------------------------------------------------------

Pursuant to the requirements of the Securities and Exchange Act of 1934, this Amendment No. 1 to the Registrant's
Annual Report on Form 10-K/A has been signed by the following persons in the capacities and on the date indicated:

|Name and Signature                           | Title(s)                                                                                                    | Date         
|-------------------------------------------- | ----------------------------------------------------------------------------------------------------------- | -------------
|/s/	Michael J. Salameh	
		Michael J. Salameh | Chief Executive Officer and Director
(Principal Executive Officer)                                          | March 2, 2005
|/s/	Rafael Torres
		Rafael Torres            | Vice President, Finance, Chief Financial Officer
and Secretary
(Principal Financial and Accounting Officer) | March 2, 2005
|*  
		D. James Guzy                      | Director and Chairman of the Board of
Directors                                                             | March 2, 2005
|*  
		Timothy Draper                     | Director                                                                                                    | March 2, 2005
|*  
		Robert H. Smith                    | Director                                                                                                    | March 2, 2005
|*  
		John H. Hart                       | Director                                                                                                    | March 2, 2005
|*  
		Wei-Ti Lu                          | Director                                                                                                    | March 2, 2005
|*  
		Thomas Riordan                     | Director                                                                                                    | March 2, 2005
|*  
		Patrick Verderico                  | Director                                                                                                    | March 2, 2005

*By: /s/ /s/     Michael J. Salameh         /s/     Michael J. Salameh
       Attorney in Fact

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EXHIBIT INDEX



|Exhibit       |  |                                                                                                                                                                                                                             
|------------- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Number        |  | Description                                                                                                                                                                                                                 
|2.1 (3)       |  | Agreement and Plan of Reorganization dated May 6, 2003 by and
among PLX Technology, Inc., HT Acquisition Sub, LLC, HiNT Corporation and
Herbert Chang as Shareholders' Agent.                                               
|3.1 (1)       |  | Amended and Restated Certificate of Incorporation of the
Registrant.                                                                                                                                                        
|3.2 (1)       |  | Registrant's Amended and Restated Bylaws.                                                                                                                                                                                   
|3.3 (1)       |  | Certificate of Amendment to Amended and Restated Certificate of Incorporation, filed as Exhibit 3.1 to the
Company's quarterly report on Form 10-Q for the quarter ended June 30, 2004 and incorporated herein by reference.
|4.1           |  | Reference is made to Exhibits 3.1 and 3.3.                                                                                                                                                                                  
|4.2           |  | Registration Rights Agreement, filed as Exhibit 4.2 to the Company's Registration Statement on Form S-3,
filed on June 21, 2004 and incorporated herein by reference.                                                       
|10.1 (1)*     |  | Form of Indemnification Agreement between PLX and each of its
Officers and Directors.                                                                                                                                       
|10.2 (1)*     |  | 1998 Stock Incentive Plan.                                                                                                                                                                                                  
|10.3 (1) (2)* |  | 1999 Stock Incentive Plan, As Amended.                                                                                                                                                                                      
|10.4 (1)      |  | Lease Agreement dated October 17, 1997 between The
Arrillaga Foundation and The Perry Foundation as Landlords and PLX as Tenant, as
amended.                                                                                
|10.10 (6)*    |  | HiNT Corp. 2000 Stock Plan.                                                                                                                                                                                                 
|10.11 (5)*    |  | Sebring Systems, Inc. 1997 Stock Otion/Stock/Issuance
Plan.                                                                                                                                                                 
|10.12 (7)*    |  | NetChip Technology, Inc. 1996 Flexible Stock Incentive
Plan.                                                                                                                                                                
|10.13*        |  | PLX Technology, Inc. 2004 Bonus and Deferred Compansation Plan, filed as Exhibit 10.2 to the Company's
 quarterly report on Form S-3 for the quarter ended June 30, 2004, and incorporated herein by reference.             
|21.1**        |  | Subsidiaries of the Company.                                                                                                                                                                                                
|23.1          |  | Consent of Independent
Registered Public Accounting Firm.                                                                                                                                                                   
|31.1**        |  | Certification of Chief Executive Officer Pursuant to Section 302 of the
Sarbanes-Oxley Act of 2002.                                                                                                                         
|31.2**        |  | Certification of Chief Financial Officer Pursuant to Section 302
of the Sarbanes-Oxley Act of 2002.                                                                                                                         
|32.1 **       |  | Certification of Chief Executive Officer Pursuant to 18
U.S.C.Section 1350, Chapter 63 of Title 18, United States Code, as
Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of
2002.                               
|32.2**        |  | Certification of Chief Financial Officer Pursuant to
Section 1350, Chapter 63 of Title 18, United States Code, as
Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of
2002.                                        

|(1)  |  | Incorporated by reference to the same numbered exhibit
previously filed with the Company's Registration Statement on Form S-1
(Registration No. 333-71795).
|---- |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------
|(2)  |  | Incorporated by reference to Exhibit 10.1 to the Company's
quarterly report on Form 10-Q for the quarter ended June 30,
2002.                              
|(3)  |  | Incorporated by reference to Exhibit 2.1 to Form 8-K as filed on
May 27, 2003.                                                                             
|(4)  |  | Incorporated by reference to the same numbered exhibit
previously filed with the Company's Form 10-K as filed on March 13,
2003.                           
|(5)  |  | Incorporated by reference to Exhibit 2.1 to Form 8-K as filed on
June 2, 2000.                                                                             
|(6)  |  | Incorporated by reference to Exhibit 10.1 to the Company's
quarterly report on Form 10-Q for the quarter ended September 30,
2003.                         
|(7)  |  | Incorporated by reference to Exhibit 10.2 to the Company's
quarterly report on Form 10-Q for the quarter ended June 30,
2004.                              
|(*)  |  | Management contract or compensatory plan or
arrangement.                                                                                                   
|(**) |  | Filed previously                                                                                                                                           

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