The SATDOCK22U3S USB (Universal Serial Bus) 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 (Universal Serial Bus), while controlling the power status (on/off) of each individual drive independently from the rest. Using a single USB (Universal Serial Bus) connection, this docking station can provide data transfer rates of up to 5 Gbps with Super Speed USB (Universal Serial Bus) 3.0, while remaining backward compatible with USB (Universal Serial Bus) 2.0 systems (data transfer rates up to 480 Mbps).