Hardware Specs:

Bus Type: USB 3.0 Compatible with USB 2.0 and USB 1.0
Compatible Drive Types (Type and Rate): SATA
Drive Size: 2.5in
Fan(s): No
Interface: USB 3.0
Number of Drives: 1

Performance

Max Drive Capacity: Currently tested with up to 2TB 5900 RPM hard drives
Type and Rate: USB 3.0 - 5 Gbit/s  | SATA III (6 Gbps)
UASP Support: Yes
Connector(s): 
Drive Connectors 1 - SATA Data & Power Combo (7+15 pin) Receptacle
Host Connectors 1 - USB 3.0 A (9 pin; SuperSpeed) Male
Software/OS Compatibility: Windows XP (32/64-bit)/ Server 2003 (32/64-bit)/ Server 2008 R2/ Vista (32/64-bit)/ 7 (32/64-bit)/ 8/8.1 (32/64-bit) 
Mac OS X, Linux

Includes:

1 x USB 3.0 to SATA 2.5" HDD Adapter Cable