Rosewill USB 3.0 Two 2.5 to 3.5 Inches HDD Dock SATA I/II with One Touch Cloning (RX302-PU3-35B) Internal Interface: 2 x SATA II External Interface: USB 3.0 Type-B Support USB 3.0 SuperSpeed(5Gbps), USB 2.0 High-Speed(480Mbps) and, USB 1.1 Full-Speed(12Mbps) Operation Support 2.5" or 3.5" SATA I/II hard disks Dual Slot HDD docking slots Backward compatible with USB2.0 and USB 1.1 12V / 3A power adapter One Touch Cloning