Exhibit 32.2
CERTIFICATION
PURSUANT TO
18
U.S.C. SECTION 1350,
AS
ADOPTED PURSUANT TO
SECTION
906 OF THE SARBANES-OXLEY ACT OF 2002
In
connection with the Quarterly Report of Equinix, Inc. (the “Company”) on Form
10-Q for the period ending September 30, 2008, as filed with the Securities and
Exchange Commission on the date hereof (the “Report”), I, Keith D. Taylor, Chief
Financial Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as
adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:
(1)
The Report fully complies with the requirements of section 13(a) or 15(d) of the
Securities Exchange Act of 1934; and
(2)
The information contained in the Report fairly presents, in all material
respects, the financial condition and result of operations of the
Company.
/s/
Keith D.
Taylor
Keith D.
Taylor
Chief
Financial Officer
October
24, 2008