Its not a PCIEX1 card, its a PCI 2400 HD card. It says PCIE, because it uses a PCI-PCIE bridge thing or whatever. And this card kinda sucks, because its missing a boat load of hardware extensions. My 6200 OC PCI can run COD4 at 24fps at 1024x768 everything medium to high. The 2400 HD card i get 1-5fps. Nvidia drivers are better this moment IMO.