Product Feature: 1.Compatible with Xbox 360 slim Console and Xbox 360 E console 2.Plenty of space for the content you want 3.Download games, demos, and extra content from Xbox LIVE 4.Download movies in standard- and high-definition, as well as television shows, game trailers, and more 5.Save your game, Xbox LIVE gamer profile, game demos, and custom soundtracks 6.Rip CDs, save photos, games, movies and more Package included: 1 pcs Xbox 360 slim hard drive 320GB Note: As the manufacture,the theory 1M is 1024 bytes on manufacturing process, the 320GB hard drive only display about 290GB, wish your understanding.