Supports 3.5in. SATA HDD. USB 2.0 type B. SATA 1.5 or 3.0 Gbps. eSATA connection. High capacity drives. USB High Speed 480Mbps rate. Plug and Play and Hot Swap. Hard Drive activity LED. Supports USB 1.1 & 2.0 specification. Supports Windows 2000, XP and V