WinTV-HVR 2250 - White Box for System Builders - PCIe card. PCIe TV Tuner board with dual (two) hybrid tuners. Both tuners have analog and digital reception that allows recording of two channels at the same time. Each tuner has hardware MPEG2 encoding for recording analog channels. Each tuner has ATSC clear QAM for receiving digital cable TV channels. Watch and record two channels of analog cable TV or ATSC high definition (HD) TV on your PC. Compatible with Media Center in Microsoft Vista Home Premium or Ultimate and WindowsXP Media Center Edition.