[Letterhead of]
CRAVATH, SWAINE & MOORE LLP
[New York Office]
(212) 474-1131
CyrusOne Inc.
Amendment No. 3 to Registration Statement on Form S-11
File No. 333-183132
November 15, 2012
Dear Ms. Gowetski:
CyrusOne Inc. (the “Company”) has filed today with the Securities and Exchange Commission, via EDGAR, Amendment No. 3 (“Amendment No. 3”) to its Registration Statement on Form S-11 (File No. 333-183132) (the “Registration Statement”). Amendment No. 3 is being filed for the purpose of filing exhibits. Other than Item 36 of the Registration Statement, no changes or additions are being made to Part I or II of the Registration Statement. Four copies of Amendment No. 3, including the exhibits filed therewith, are enclosed for your convenience along with three copies of this letter.
Please contact the undersigned at (212) 474-1131, or, in my absence, Daniel A. O’Shea at (212) 474-1792 or John C. Duffy at (212) 474-1408, with any questions or comments you may have regarding the Registration Statement.
| Very truly yours, |
| /s/ William V. Fogg |
| William V. Fogg |
Ms. Jennifer Gowetski
Senior Counsel
United States Securities and Exchange Commission
Division of Corporation Finance
100 F Street, N.E.
Washington, D.C. 20549-7010
| cc: | Mr. Gary Wojtaszek, CyrusOne Inc. |
Mr. Daniel Gordon, Securities and Exchange Commission
Ms. Kristi Marrone, Securities and Exchange Commission
Ms. Folake Ayoola, Securities and Exchange Commission
