BlueBeach 3Gbps USB 3.0 to eSATA Adapter for 2.5" 3.5" Hard Drive Transfer rate of Super-Speed USB 3.0 interface can be up to 5Gb/sec (Max). Supports Hot-Swapping, Plug and Play function. Compatible with previous versions of USB ports (1.0, 1.1 & 2.0) & SATA hard disks (1.5Gb/s). Supports 2.5" 3.5" Hard Drive; Chip: JM539 Compliance with serial ATA specification revision 2.6; No driver installation required for WindowsXP/Vista/7.