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 *
TAYLOR KEITH D
   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)
Chief Financial Officer
(Last)
(First)
(Middle)
ONE LAGOON DRIVE		 3. Date of Earliest Transaction (Month/Day/Year)
03/02/2012
(Street)

REDWOOD CITY, CA 94065		 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 03/02/2012   M   10,500 A $ 30.02 80,503 D  
Common Stock 03/02/2012   S   10,500 D $ 138.3102 (1) 70,003 D  

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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
Stock Options $ 30.02 03/02/2012   M     10,500   (2) 02/09/2014 Common Stock 10,500 $ 0 9,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
TAYLOR KEITH D
ONE LAGOON DRIVE
REDWOOD CITY, CA 94065		       Chief Financial Officer  

Signatures

 Darrin B. Short, Attorney-in-Fact   03/06/2012
**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 average price of $138.3102 consists of the following blocks of shares: 300 shares sold at $138.011, 200 at $138.021, 200 at $138.03, 400 at $138.09, 321 at $138.10, 200 at $138.11, 5 at $138.12, 200 at $138.14, 200 at $138.141, 200 at $138.15, 100 at $138.17, 200 at $138.18, 300 at $138.19, 100 at $138.20, 1400 at $138.30, 300 at $138.31, 100 at $138.32, 700 at $138.34, 400 at $138.35, 900 at $138.36, 200 at $138.361, 100 at $138.38, 500 at $138.39, 600 at $138.40, 100 at $138.42, 659 at $138.43, 100 at $138.4301, 400 at $138.44, 115 at $138.46, 100 at $138.47, 100 at $138.48, 100 at $138.53, 200 at $138.54, 100 at $138.55, 200 at $138.56, 100 at $138.621 and 100 at $138.625.
(2) Option vests in 48 equal monthly installments from January 1, 2004.

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