The Deskstar P7K500 hard drive provides an exceptional blend of power efficiency and performance making it an ideal solution for consumer and enterprise power-friendly PCs. Leveraging sixth-generation power management technology as well as power-saving innovations pioneered on Hitachi's popular 2.5-inch line of notebook PC hard drives, this new breed of desktop drive delivers best-in-class power management and thermal emissions to help manufacturers meet energy compliance targets and extend drive life.Featuring a choice of Parallel ATA or Serial SATA interface options to meet the needs of many design configurations, the Deskstar P7K500 is also built using the industry's most reliable perpendicular magnetic recording (PMR) techniques to maximize capacity, performance and field reliability.