Transfer rate of Super-Speed USB 3.0 interface can be up to 5Gb/sec (Max) Supports Hot-Swapping and Plug and Play function Compliance with Serial ATA Specification Revision 2.6 Backward compatible with previous versions of USB ports ( 1.0, 1.12. 0) SATA hard disks ( 1.5G b/s) Supports 2.5" Mass Storage Class Drive. System Requirements Windows 7/8 (32-/64-bit) ) / Vista (32-/64-bit) / XP (32-/64-bit)/ Server 2003 2008 (32-/64-bit) with the latest Service Packs The Hard disk is not included.