Imation 26960. Power consumption (typical): 12 W. Weight: 1270 g. Hard drive capacity: 320 GB, Supported hard disk drive interfaces: Serial ATA, Supported hard disk drive sizes: 63.5 mm (2.5 "). Dimensions (WxDxH): 136.65 x 257.3 x 209.55 mm, Drive device, transfer rate: 25 MB/s, Interface: USB