Seagate Thin, Momentus. Hard drive capacity: 500 GB, Hard drive size: 63.5 mm (2.5 "), Hard drive rotational speed: 5400 RPM. Power consumption (typical): 1.4 W, Power consumption (idle): 0.45 W. Weight: 95 g, Height: 7 mm, Width: 70.10 mm. Operating temperature range (T-T): 0 - 60 °C, Storage temperature range (T-T): -40 - 70 °C, Operating shock: 400 G