Western Digital AV GreenPower 320GB Serial ATA hard disk dri

Western Digital AV GreenPower 320GB. Hard drive capacity: 320 GB, Hard drive interface: Serial ATA, Hard drive speed: 5400 RPM. Power consumption (standby): 0.8 W. Width: 4" (101.6 mm), Height: 1" (25.4 mm), Depth: 5.79" (147 mm)