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, 1.1&2.0) & SATA hard disks (1.5Gb/s); Supports 2.5" Mass Storage Class Drive; System Requirements; Windows 7 (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.