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 *
VAN CAMP 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)
CEO
(Last)
(First)
(Middle)
301 VELOCITY WAY 5TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
03/19/2007
(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 03/19/2007   M   16,000 A $ 17.697 73,610 D  
Common Stock 03/19/2007   S(1)   16,000 D $ 83.0797 (2) 57,610 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
Non-Qualified Stock Option (right to buy) $ 17.697 03/19/2007   M     16,000   (3) 09/25/2013 Common Stock 16,000 $ 0 64,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
VAN CAMP PETER
301 VELOCITY WAY 5TH FLOOR
FOSTER CITY, CA 94404
      CEO  

Signatures

 By: Darrin B. Short For: Peter Van Camp   03/21/2007
**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) Shares sold pursuant to a 10b5-1 Trading Plan.
(2) The average price of $83.0797 consists of the following blocks of shares: 100 shares sold at 81.98, 100 shares sold at 82.00, 100 shares sold at 82.01, 100 shares sold at 82.08, 100 shares sold at 82.11, 500 shares sold at 82.28, 1,000 shares sold at 82.29, 400 shares sold at 82.30, 600 shares sold at 82.31, 200 shares sold at 82.32, 390 shares sold at 82.33, 200 shares sold at 82.34, 200 shares sold at 82.35, 300 shares sold at 82.39, 200 shares sold at 82.42, 200 shares sold at 82.43, 200 shares sold at 82.47, 100 shares sold at 82.50, 100 shares sold at 82.57, 100 shares sold at 82.59, 200 shares sold at 82.60, 400 shares sold at 82.75, 100 shares sold at 82.78, 100 shares sold at 82.80, 300 shares sold at 82.81, 200 shares sold at 82.82, 300 shares sold at 82.83, 212 shares sold at 82.85, 400 shares sold at 82.87, 100 shares sold at 82.88, 100 shares sold at 82.91, 400 shares sold at 82.92, 400 shares sold at 82.93, 100 shares sold at 82.94, 100 shares sold at 82.96, 600 shares
(3) Option vests in 36 equal monthly installments from September 25, 2003.

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