Western Digital Blue PC Mobile. Hard drive capacity: 2000 GB, Hard drive interface: Serial ATA III, Hard drive speed: 5200 RPM. Power consumption (standby): 0.2 W, Power consumption (read): 1.7 W, Power consumption (write): 1.7 W. Width: 2.75" (69.8 mm), Height: 0.591" (15 mm), Depth: 3.94" (100.2 mm)