Deigned for direct insertion of two 2.5 or 3.5 inch SATA HDD. USB 3.0 SuperSpeed interface, transfer rates up to 5Gpbs. Backwards Compatible with USB 2.0. Solid aluminum casing with glossy ABS top panel. LED light indicates Power and Activity status. Hot-swappable, plug and play, no drivers support. Support offline clone without computer support. Stable and reliable power supply (12v , 3A). The Hot Plug of SATA has a different behaviour, particularly concerning the swapping and changing of drives during operation. As Hot Plug only means that the PC doesn''t have to be restarted after disk swaps, it is crucial to disconnect and switch off the docking station before removing and changing any disk drives, to avoid data loss and structural damage. Please make sure the device is powering off when you plug it out. Opertating System: Windows OS, Mac OS X 10.4 and higher and Linux (backward compatible with USB 2.0 /1.1) The SATA Docking Station supports the direct insertion of two 2.5" or 3.5" SATA Hard Drives. It provides a simple, fast and cost effective solution for data recovery, drive imaging, and testing center, or any environment that requires fast access to uninstalled/archived drives. With completely offline cloning technology, it can copy your files from one disk to another without computer support. Able to reach a data transmission rate Up to 1000GB/hour or 300MB/sec copy performance. Ready for Plug and Play/Hot Swap and no Additional Driver is needed.