SIIGs SuperSpeed USB 3.0 external hard drive dock, the SuperSpeed USB 3.0 to SATA 3Gb/s Docking, is an excellent product designed to add high capacity mobile storage device quickly and easily to your USB 3.0-equipped desktop or notebook computer. Allowing you to quickly connect and access your SATA hard disk drive without having to open your computer case or storage enclosure, this SuperSpeed USB 3.0 to SATA 3Gb/s dock features one hard disk drive docking bay with a built-in HDD eject level to support 2.5? or 3.5? SATA hard disk drive with capacity up to 2TB. It delivers SuperSpeed USB 3.0 data transfer rates of up to 5Gb/s, 10x faster than USB 2.0. It is the high performance storage solution for super fast accessing, transferring and backing up large data files between your external storage device and your USB 3.0 equipped desktop or notebook computer.