Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (Nos. 333-45280, 333-58074, 333-71870, 333-85202, 333-104078, 333-113765, 333-117892, 333-122142 and 333-132466) and Form S-3 (Nos. 333-104077, 333-108783, 333-109697, 333-114723, 333-116322, 333-120224, 333-122144, 333-123923 and 333-128857) of Equinix, Inc. of our report dated February 28, 2007 relating to the consolidated financial statements, management’s assessment of the effectiveness of internal control over financial reporting and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.