This Monoprice Communicator C1 (Model MS-ST331A / PID 8078) is a versatile hard drive docking station designed for 2.5" and 3.5" SATA hard drives. It features high-speed USB 3.0 connectivity for data transfer rates up to 5Gbps, and is backwards compatible with USB 2.0. The unit also functions as an all-in-one memory card reader (supporting SD, CF, MS, and more) and includes a 2-port USB 2.0 hub for connecting additional peripherals. It features a convenient one-touch backup function and a lightweight aluminum casing for efficient heat dissipation. Compatible with Windows and Mac OS.