Connect and control up to two 2.5"/3.5" SATA HDDs over USB 3.0. The SATDOCK22U3S USB 3.0 to SATA Dual Hard Drive Docking Station enables two SATA 2.5in or 3.5in hard drives (HDD) or solid state drives (SSD) to be connected simultaneously to a computer through USB, while controlling the power status (on/off) of each individual drive independently from the rest. Using a single USB connection, this docking station can provide data transfer rates of up to 5 Gbps with SuperSpeed USB 3.0, while remaining backward compatible with USB 2.0 systems (data transfer rates up to 480 Mbps). Extend the value of this hard drive docking station further with the addition of our SATA to IDE Hard Drive Adapter (SAT2IDEADP), allowing easy insertion of any 2.5 or 3.5in. IDE hard drive into a SATA hard drive dock.