UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC  20549

________________

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report:  January 15, 2009

(Date of earliest event Reported)

EQUINIX, INC.

(Exact Name of Registrant as Specified in its Charter)

Delaware	000-31293	77-0487526
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification Number)

301 Velocity Way, 5th Floor

Foster City, California 94404

 (650) 513-7000

(Addresses of principal executive offices)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 1.01.   Entry into a Material Definitive Agreement

On January 15, 2009, Equinix Group Limited, a wholly-owned subsidiary of Equinix, Inc., entered into an amendment (the “Amendment”) to its £82,000,000 Senior Facilities Agreement dated June 29, 2007 with CIT Bank Limited, as arranger, CIT Capital Finance (UK) Limited, as administrative agent and security trustee and the Lenders (as defined therein).  The Amendment relates to, among other things, the amendment of a financial covenant to increase maximum permitted capital expenditures as measured annually and acknowledgment of the appointment of Eric Schwartz as President, Equinix Europe on June 1, 2008.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

      DATE:  January 20, 2009 EQUINIX, INC.     By:     /s/ KEITH D. TAYLOR                                                            Keith D. Taylor            Chief Financial Officer