Western Digital Scorpio Blue 160GB. Hard drive capacity: 160 GB, Hard drive interface: Serial ATA, Hard drive speed: 5400 RPM. Weight: 4.13 oz (117 g). Dimensions (WxDxH): 2.75 x 3.94 x 0.374" (69.8 x 100.2 x 9.5 mm), Color of product: Black, Data transfer rate: 3 Gbit/s