Seagate MobileMax 40GB, Barracuda. Hard drive capacity: 40 GB, Hard drive size: 63.5 mm (2.5 "), Hard drive rotational speed: 5400 RPM. Weight: 100 g, Height: 9.5 mm, Width: 69.85 mm. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -40 - 70 °C