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 *
TEMASEK HOLDINGS LTD
   2. Issuer Name and Ticker or Trading Symbol
EQUINIX INC [EQIX] 		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)
60B ORCHARD ROAD #06-18 TOWER 2, THE ATRIUM@ORCHARD		 3. Date of Earliest Transaction (Month/Day/Year)
12/31/2004
(Street)

SINGAPORE, U0 238891		 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

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
14% Series A-1 PIK Convertible Secured Notes Due 2007 $ 9.18 05/01/2003   P   1,400,000 (1) (5)   05/01/2003 11/01/2007 Common Stock 152,541 (2) $ 1,400,000 $ 1,400,000 I By subsidiary (3) (4)
14% Series A-1 PIK Convertible Secured Notes Due 2007 $ 9.18 11/01/2003   P   2,198,000 (1) (5)   11/01/2003 11/01/2007 Common Stock 239,489 (2) $ 2,198,000 $ 2,198,000 I By subsidiary (3) (4)
14% Series A-1 PIK Convertible Secured Notes Due 2007 $ 9.18 05/01/2004   P   2,351,860 (1) (5)   05/01/2004 11/01/2007 Common Stock 256,254 (2) $ 2,351,860 $ 2,351,860 I By subsidiary (3) (4)
14% Series A-1 PIK Convertible Secured Notes Due 2007 $ 9.18 11/01/2004   P   2,516,490 (1) (5)   11/01/2004 11/01/2007 Common Stock 274,191 (2) $ 2,516,490 $ 2,516,490 I By subsidiary (3) (4)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
TEMASEK HOLDINGS LTD
60B ORCHARD ROAD #06-18 TOWER 2
THE ATRIUM@ORCHARD
SINGAPORE, U0 238891		     X    

Signatures

 /s/ Jeffrey Chua, Director (Legal & Secretariat), TEMASEK HOLDINGS (PRIVATE) LIMITED   12/30/2004
**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) These securities were omitted from the Reporting Person's Forms 4 filed prior to the date hereof. These securities have been reported on prior Schedules 13D filed by the Reporting Person, and as such do not affect the calculations of the Reporting Person's pecuniary interests in the Issuer.
(2) The Issuer's 14% Series A-1 Payment-Of-Interest-In-Kind Convertible Secured Notes Due 2007 listed herein (the "PIK Notes"), together with all dividends accrued thereon between the date of issue and November 1, 2007, are convertible into Common Shares of the Issuer at an exercise price of $9.18.
(3) Singapore Technologies Telemedia Pte Ltd ("STT"), a wholly-owned indirect subsidiary of the Reporting Person, has an indirect interest in the securities reported herein by virtue of its ownership interest in i-STT Investments Pte Ltd, which is the record holder of the securities of the Issuer reported herein. In addition, the Reporting Person holds an indirect interest in 11,718 shares owned beneficially and of record by T.H.e. Venture Pte Ltd. The Reporting Person disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.
(4) In connection with an internal restructuring to be completed on December 31, 2004, the shares of STT presently owned by Singapore Technologies Private Limited ("STPL"), will be transferred to the Reporting Person with effect from December 31, 2004.
(5) This is the face amount of the debt securities expressed in U.S. dollars.

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