The 160GB Deskstar 7K1000.C SATA 3Gb/s Internal Hard Drive is a 7200 RPM 3.5" drive providing an exceptional blend of power efficiency and performance, making it an ideal solution for powerfriendly consumer and commercial desktop computers. This third-generation hard drivefrom Hitachi boosts media transfer rate performance by as much as 13 percent over its predecessor. Leveraging eighth-generation power management technology, as well as power-saving HiVERT innovations pioneered on the popular 2.5" line of notebook hard drives from Hitachi, this desktop drive provides up to 18 percent idle power savings over the previous model, delivering best-in-class power management and thermal emissions.