Samsung HN-M640MBB, Spinpoint M. Hard drive interface: Serial ATA II, Serial ATA III, Hard drive capacity: 640 GB, Hard drive
Size: 63.5 mm (2.5 "). Power consumption (typical): 2.2 W, Power consumption (standby): 0.2 W, Power consumption (read): 2.2 W.
Width: 69.75 mm,
Height: 9.5 mm,
Depth: 100.3 mm. Hard disk transfer rate: 300 Mbit/s