Form 8-K

EQUINIX, INC.

DATE: October 19, 2011

/s/ Keith D. Taylor

Keith D. Taylor

Chief Financial Officer

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 (Date of earliest event reported): October 13, 2011

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)

One Lagoon Drive, 4^th Floor

Redwood City, California 94065

(650) 598-6000

(Addresses, including zip code, and telephone numbers, including area code, 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 October 13, 2011, Switch & Data WA One LLC, a wholly-owned subsidiary of Equinix, Inc. (“Equinix”), and 2020 Fifth Avenue LLC entered into a lease agreement (the “Lease Agreement”) for approximately 51,000 square feet of data center space in a building located in Seattle, Washington. The Lease Agreement has a fixed term of 15 years, with options to renew, and a total rent obligation of approximately $110 million over the term of the Lease Agreement.

2020 Fifth Avenue LLC, its members, and their respective affiliates, are currently landlord to Equinix and its affiliates at other data center properties in the United States and abroad.

Item 2.03. Creation of a Direct Financial Obligation or an Obligation under an Off-balance Sheet Arrangement of a Registrant.

Please refer to the description of the Lease Agreement disclosed in Item 1.01 above.

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.