The 40GB EE25 5400.2 SATA Internal Hard Drive delivers maximum reliability in high vibration and high humidity conditions. It extends hard drive operating temperatures from as low as 30 C to as high as +85 C, enabling reliable data storage in applications from Scandinavia to the Sahara desert. The EE25 can operate at extreme altitude, up to 16,400 feet. It protects data during the sudden shocks of operating in vehicles, ruggedized computers and other situations requiring maximum robustness. The EE25 is idea for mobile, military, and commercial functions.