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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1. Name and Address of Reporting Person * FERRIS PETER   2. Issuer Name and Ticker or Trading Symbol EQUINIX INC [EQIX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP, Worldwide Sales (Last) (First) (Middle) 301 VELOCITY WAY 3. Date of Earliest Transaction (Month/Day/Year) 02/13/2009 (Street) FOSTER CITY, CA 94404 4. If Amendment, Date Original Filed(Month/Day/Year) 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 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 02/13/2009   M   5,000 A $ 0 65,537 D   Common Stock 02/17/2009   S(3)   2,288 D $ 49.4206 (4) 63,573 (5) D   Common Stock               276 I As custodian for children's shares

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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

Restricted Stock Units

$ 0

02/13/2009

A

10,000

(1)

(2)

Common Stock

10,000

$ 0

10,000

D

Restricted Stock Units

$ 0

02/13/2009

M

5,000

(1)

(2)

Common Stock

5,000

$ 0

5,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
FERRIS PETER 301 VELOCITY WAY FOSTER CITY, CA 94404			SVP, Worldwide Sales

Signatures

Darrin B. Short, Attorney-in-fact		02/18/2009
**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)	On January 31, 2008, the reporting person was granted 10,000 restricted stock units the vesting of which was subject to both continued service and the attainment of certain revenue and EBITDA targets for 2008. These targets were achieved, therefore 50% of the award vested on 2/13/09, with 25% additional units scheduled to vest on each of February 15, 2010 and February 15, 2011, subject solely to continued service.
(2)	Restricted stock unit award expires upon reporting person's termination of employment.
(3)	Shares sold pursuant to a 10b5-1 Trading Plan.
(4)	The average price of $49.4206 consists of the following blocks of shares: 200 shares sold at $48.73, 200 at $48.93, 100 at $48.97, 188 at $49.00, 100 at $49.08, 100 at $49.15, 100 at $49.20, 200 at $49.33, 51 at $49.46, 200 at $49.50, 100 at $49.53, 49 at $49.59, 100 at $49.75, 200 at $49.85, 200 at $49.95, and 200 at $50.42.
(5)	Includes 324 shares acquired under the Equinix, Inc. Employee Stock Purchase Plan on February 13, 2009.

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