MediaRange MR981. Hard drive capacity: 128 GB, Hard drive interface: Serial ATA II, Hard drive size: 63.5 mm (2.5 "). Colour of product: Black. Power consumption (off): 0.5 W. Operating shock: 1500 G. Data transfer rate: 3 Gbit/s, Mean time between failures (MTBF): 2500000 h, Operating vibration: 20G/10 - 2000Hz