The Startech.Com SATDOCK2REU3 Hard Drive Duplicator 2-Bay is a versatile dock that allows you to easily duplicate and transfer data from up to two hard drives. With support for both 3.5-inch and 2.5-inch drives, this black plastic dock is compatible with a variety of drive sizes. Its multiple interfaces including SATA III, eSATA, SATA II, SATA I, USB 3.0, and USB 2.0 ensure seamless connectivity to your system. The rigid plastic construction also provides durability for long-lasting use.