Ownership Submission
FORM 4
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 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 *
CROSSLINK CAPITAL INC
  2. Issuer Name and Ticker or Trading Symbol
EQUINIX INC [EQIX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
Affiliate of Director
(Last)
(First)
(Middle)
TWO EMBARCADERO CENTER, SUITE 2200
3. Date of Earliest Transaction (Month/Day/Year)
07/29/2009
(Street)

SAN FRANCISCO, CA 94111
4. If Amendment, Date Original Filed(Month/Day/Year)
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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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
Common Stock 07/29/2009   S   22,400 D $ 78.1454 679,865 I See Notes (1) (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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
(Month/Day/Year)
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
CROSSLINK CAPITAL INC
TWO EMBARCADERO CENTER
SUITE 2200
SAN FRANCISCO, CA 94111
  X     Affiliate of Director
Ten Mile Management, L.L.C.
TWO EMBARCADERO CENTER
SUITE 2200
SAN FRANCISCO, CA 94111
  X     Affiliate of Director
Crossover Fund IV Management, L.L.C.
TWO EMBARCADERO CENTER
SUITE 2200
SAN FRANCISCO, CA 94111
  X     Affiliate of Director

Signatures

 Crosslink Capital, Inc., by Michael J. Stark, President   07/31/2009
**Signature of Reporting Person Date

 Ten Mile Management, LLC, by Michael J. Stark, Manager   07/31/2009
**Signature of Reporting Person Date

 Crossover Fund IV Management, LLC, by Michael J. Stark, Senior Fund Manager   07/31/2009
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) The reporting persons (the "Reporting Persons") are Crosslink Capital, Inc. ("Crosslink"), Crossover Fund IV Management, LLC ("Fund IV Management"), Ten Mile Management, LLC ("Ten Mile") and Michael J. Stark. Crosslink is an investment adviser to investment funds of which Fund IV Management or Ten Mile is the general partner or manager (the "Funds"). Mr. Stark is the control person of the other Reporting Persons. Gary Hromadko, an affiliate of certain Reporting Persons, is a member of the Issuer's board of directors and serves as the representative of the Reporting Persons.
(2) The Reporting Persons are filing this Form 4 jointly, but not as a group, and each of them expressly disclaims membership in a group, within the meaning of Rule 13d-5(b) under the Securities Exchange Act of 1934, as amended. These securities are held directly by the Funds for the benefit of their investors. These securities are indirectly beneficially owned by Crosslink as the investment adviser to the Funds, and by Fund IV Management or Ten Mile as the general partner or manager of the Funds. The Reporting Persons disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

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