The Ceton InfiniTV 6 PCIe is the world's only 6-tuner internal digital cable TV tuner for the PC! InfiniTV turns your PC into the ultimate set-top box and DVR. With InfiniTV on your PC, you can replace your cable set-top box and associated monthly lease and DVR fees and use Windows Media Center functionality to watch and record up to 6 live cable TV channels at once, including HD and premium channels like HBO, Showtime and Starz! InfiniTV 6 PCIe is an internal device in the PCI Express (PCIe) form factor. If you're looking for an external device with the same capabilities, check out the Ceton InfiniTV 6 ETH network tuner model. When used with Windows Media Center Extenders like the Ceton Echo or Xbox 360, you can also stream live or recorded cable channels to other TVs in your home over your home network. Using only a single cable connection and single CableCARD from your cable operator, InfiniTV can deliver all your cable channels and full DVR capability on any TV set. Requires a compatible PC with Media Center on Windows 7 SP1 or Windows 8 Pro. Requires a cable TV subscription and CableCARD from your cable operator. Windows Media Center Extender(s) required to access cable channels and recordings on secondary TV sets. IMPORTANT NOTE: Only Ceton products sold on Amazon that are listed as "Sold by Ceton" are covered by the Ceton Warranty and eligible for free support. Ceton products sold on Amazon by other sellers do not qualify.