SIIG Cool Dual SATA to USB 2.0 Docking Station (SC-SA0412-S1) Built in silent cooling fan extends hard disk drive life by lowering its operating temperature Compliant with USB 1.1 and 2.0 specification Two hard disk drive docking bays Supports Hi-Speed USB 2.0 port Supports SATA I/II (SATA 150/300) Supports 2.5 and 3.5 hard disk drives Plug and Play - no additional drivers needed Supports Hot-Swap