XFX PVT98FYDF9 GeForce 9800GTX 512MB DDR3 675MHz Dual DVI PCI Express 2.0 SLI Ready Video Card With the 9800GTX you have 512MB of DDR3 Memory going to work for you! The 9800GTX is perfect for the latest Blu-Ray DVD Playback with stutter free graphics! Fast 675MHz Core Clock Speed gives you tremendous speed for accuracy in First Person Shooter games! The NEW PCI Express 2.0 doubles the data speed from previous version XFX's Double Lifetime Warranty not only gives you peace of mind, but the next owner as well!