Sec Form 4/A Filing - PRESIDIO MANAGEMENT GROUP VI LLC @ Mellanox Technologies, Ltd. - 2007-08-17

FORM 4/A Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person PRESIDIO MANAGEMENT GROUP VI LLC 2. Issuer Name and Ticker or Trading Symbol Mellanox Technologies, Ltd. [ MLNX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 2735 SAND HILL ROAD 3. Date of Earliest Transaction (MM/DD/YY) 08/17/2007 (Street) MENLO PARK, CA94025 4. If Amendment, Date Original Filed (MM/DD/YY) 08/21/2007 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Ordinary Shares 08/17/2007 J( 1 ) 500,000 D $ 0 ( 1 ) 2,130,770 I Directly held by USVP VI ( 2 ) Ordinary Shares 08/17/2007 J( 1 ) 13,975 D $ 0 ( 1 ) 59,571 I Directly held by AFF VI ( 2 ) Ordinary Shares 08/17/2007 J( 1 ) 0 D $ 0 ( 1 ) 82,031 I Directly held by EP VI ( 2 ) Ordinary Shares 08/17/2007 J( 1 ) 8,065 D $ 0 ( 1 ) 34,365 I Directly held by 2180 VI ( 2 ) Ordinary Shares 08/17/2007 J( 1 ) 40,081 A $ 0 ( 1 ) 40,081 D ( 2 ) Ordinary Shares 08/17/2007 J( 1 ) 40,081 D $ 0 ( 1 ) 0 D ( 2 ) Ordinary Shares 08/17/2007 J( 1 ) 8,411 A $ 0 ( 1 ) 8,411 I Directly Owned by Irwin Federman ( 2 ) Ordinary Shares 08/17/2007 J( 1 ) 4,528 A $ 0 ( 1 ) 4,528 I Directly Owned/Controlled by Steven Krausz ( 2 ) Ordinary Shares 08/17/2007 S 4,528 D $ 16.02 0 I Directly Owned/Controlled by Steven Krausz ( 2 ) Ordinary Shares 08/17/2007 J( 1 ) 4,640 A $ 0 ( 1 ) 4,640 I Directly Owned by Jonathan Root ( 2 ) Ordinary Shares 08/17/2007 J( 1 ) 8,037 A $ 0 ( 1 ) 8,037 I Directly Owned / Controlled by Philip Young ( 2 ) Ordinary Shares 08/17/2007 S 8,037 D $ 16.24 0 I Directly Owned/Controlled by Philip Young ( 2 ) Ordinary Shares 08/17/2007 J( 1 ) 1,021 A $ 0 ( 1 ) 1,021 I Directly held by USVP LLC ( 2 ) Ordinary Shares 08/17/2007 J( 1 ) 24 A $ 0 ( 1 ) 24 I Directly held by PMG Inc. ( 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other PRESIDIO MANAGEMENT GROUP VI LLC 2735 SAND HILL ROAD MENLO PARK, CA94025 X US VENTURE PARTNERS VI LP 2735 SAND HILL ROAD MENLO PARK, CA94025 X USVP ENTREPRENEUR PARTNERS VI L P 2735 SAND HILL ROAD MENLO PARK, CA94025 X 2180 ASSOCIATES FUND VI L P 2735 SAND HILL ROAD MENLO PARK, CA94025 X USVP VI AFFILIATES FUND L P 2735 SAND HILL ROAD MENLO PARK, CA94025 X FEDERMAN IRWIN 2735 SAND HILL ROAD MENLO PARK, CA94025 X X KRAUSZ STEVEN M 2735 SAND HILL ROAD MENLO PARK, CA94025 X ROOT JONATHAN D 2735 SAND HILL ROAD MENLO PARK, CA94025 X YOUNG PHILIP M 2735 SAND HILL ROAD MENLO PARK, CA94025 X Signatures Michael P. Maher - Attorney-in-Fact for each Joint Filer 08/21/2007 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Distribution in kind from partnership without consideration to its members or general and limited partners. Following distribution, the individuals and entities listed in Footnote 2 are no longer 10% owners. ( 2 )Presidio Management Group VI, LLC ("PMG VI") is the general partner of US Venture Partners VI, L.P. ("USVP VI"), USVP VI Affiliates Fund, L.P. ("AFF VI"), USVP Entrepreneur Partners VI, L.P. ("EP VI"), and 2180 Associates Fund VI, L.P. ("2180 VI") , and Irwin Federman, Steven M. Krausz, Jonathan D. Root, and Philip M. Young, the managing members of PMG VI, may be deemed to share voting and dispositive power over the shares held by USVP VI, AFF VI, EP VI, and 2180 VI. Irwin Federman is a managing member of USVP Management Company LLC ("USVP LLC") and an Officer of Presidio Management Group, Inc ("PMG Inc."). Such persons and entities disclaim beneficial ownership of shares held by USVP VI, AFF VI, EP VI, 2180 VI, USVP LLC and PMG Inc. except to the extent of any pecuniary interest therein.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.