DESC: The Pavilion Media Center TV is designed to make it easier, and more convenient, for you to enjoy your Digital entertainment. This Desktop features an NTSC TV Tuner and an over-the-air ATSC tuner, giving you the ability to receive both standard and High Definition TV broadcasts. The Pavilion Media Center TV also has DVR functionality. Pause, record, and rewind live TV using the built-in 640GB hard drive, or if that's still not enough room for you, you can purchase an Optional HP Personal Media Drive for up to an additional 500GB of Storage space.