Toshiba 160GB 2.5" SATA. Hard drive capacity: 160 GB, Hard drive interface: Serial ATA, Hard drive speed: 5400 RPM. Power consumption (typical): 4.5 W, Power consumption (standby): 0.18 W, Power consumption (PowerSave): 0.15 W. Width: 2.75" (69.8 mm), Height: 0.374" (9.5 mm), Depth: 3.94" (100 mm). Dimensions (WxDxH): 2.75 x 3.94 x 0.374" (69.8 x 100 x 9.5 mm), Data transfer rate: 3 Gbit/s, Mounting: Horizontal