1 Terabyte (1TB) USB 2.0 3.5" External Hard Drive (Black) 1 Terabyte (1TB) USB 2.0 3.5-inch External Hard Drive General Features: Black plastic construction One Terabyte (1 TB) SATA/300 hard drive installed USB 2.0 interface Up to 480 Mbps data transfer rate 7200 RPM spindle speed 32 MB buffer 4.2 ms average latency 17 ms average drive ready time Plug and Play Hot-swappable Rear Panel Features: USB Type A port DC input