Western Digital WD20EURS. Hard drive capacity: 2000 GB, Hard drive interface: Serial ATA, Hard drive speed: 5400 RPM. Power consumption (typical): 4.5 W, Power consumption (standby): 0.7 W, Power consumption (read): 4.5 W. Width: 4" (101.6 mm), Height: 1.03" (26.1 mm), Depth: 5.79" (147 mm). Color of product: Black, Data transfer rate: 3 Gbit/s