Seagate EE25.2 Series™ 2.5-inch HD 80GB PATA, EE25 Series. Hard drive capacity: 80 GB, Hard drive size: 63.5 mm (2.5 "), Hard drive rotational speed: 5400 RPM. Weight: 102 g, Height: 9.5 mm, Width: 69.85 mm. Operating temperature range (T-T): 20 - 75 °C, Storage temperature range (T-T): 40 - 85 °C, Operating relative humidity range: 5 - 90 %