Seagate Momentus 5400.3 100GB SATA, Momentus. Hard drive capacity: 100 GB, Hard drive size: 63.5 mm (2.5 "), Hard drive rotational speed: 5400 RPM. Power consumption (standby): 0.2 W, Start-up current: 1 A. Weight: 102 g, Height: 9.5 mm, Width: 69.85 mm. Operating shock: 350 G