Western Digital AV-GP. Hard drive capacity: 1000 GB, Hard drive interface: Serial ATA III, Hard drive size: 3.5". Power consumption (standby): 0.7 W, Power consumption (read): 5.3 W, Power consumption (write): 5.3 W. Width: 4" (101.6 mm), Height: 1.03" (26.1 mm), Depth: 5.79" (147 mm). Hard disk transfer rate: 110 Mbit/s, Dimensions (WxDxH): 4 x 5.79 x 1.03" (101.6 x 147 x 26.1 mm), Color of product: Black