WinTV-quadHD has four tuners on a half height PCI Express board. WinTV-quadHD will fit in both full and half height PC's. Watch, pause or record up to four ATSC or clear QAM HD TV programs at the same time. Supports four tuner picture-in-picture.
Also works with Windows Media Center (included in Windows 7 and optional in Windows 8). The WinTV-quadHD is seen as 4 tuners so you can watch one TV program or record up to 4 TV programs at the same time.