FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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 *   SALZMAN ALAN E 2. Date of Event Requiring Statement (Month/Day/Year) 05/29/2009 3. Issuer Name and Ticker or Trading Symbol PLX TECHNOLOGY INC [PLXT] (Last) (First) (Middle) C/O VANTAGEPOINT VENTURE PARTNERS, 1001 BAYHILL DRIVE, SUITE 300 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) SAN BRUNO, CA 94066 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 3,815,240 (1) (2) I (3) See Footnotes

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SALZMAN ALAN E C/O VANTAGEPOINT VENTURE PARTNERS 1001 BAYHILL DRIVE, SUITE 300 SAN BRUNO, CA 94066	Â	  X	Â	Â

Signatures

/s/ Alan E. Salzman		07/09/2009
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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)	326,121 shares of Common Stock of Issuer are beneficially owned by VantagePoint Venture Partners IV, L.P. ("VPVP IV"), 11,857 shares of Common Stock of Issuer are beneficially owned by VantagePoint Venture Partners IV Principals Fund, L.P. ("VPVP IV Principals") and 3,309,299 shares of Common Stock of Issuer are beneficially owned by VantagePoint Venture Partners IV (Q), L.P. ("VPVP IV (Q)"), respectively. VantagePoint Venture Associates IV, L.L.C. is the General Partner of VPVP IV, VPVP IV Principals and VPVP IV (Q) and disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interests therein.
(2)	18,228 shares of Common Stock of Issuer are beneficially owned by VantagePoint Venture Partners III, L.P. ("VPVP III") and 149,735 shares of Common Stock of Issuer are beneficially owned by VantagePoint Venture Partners III (Q), L.P. ("VPVP III (Q)"), respectively. VantagePoint Venture Associates III, L.L.C. is the General Partner for VPVP III and VPVP III (Q) and disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interests therein.
(3)	The Reporting Person is a managing member of VantagePoint Venture Associates III, L.L.C. and VantagePoint Venture Associates IV, L.L.C. The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interests therein.

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