Western Digital 3TB Se. Hard drive capacity: 3000 GB, Hard drive interface: Serial ATA III, Hard drive speed: 7200 RPM. Power consumption (read): 9.5 W, Power consumption (write): 9.5 W, Power consumption (idle): 8.1 W. Width: 4" (101.6 mm), Height: 1.03" (26.1 mm), Depth: 5.79" (147 mm). Color of product: Black, Data transfer rate: 6 Gbit/s, Connectivity technology: Wired