Galaxy Technology GeForce 9800 GT 512 MB GDDR3 PCI Express 2.0 DVI/DVI/HDTV SLI Ready Graphics Card, 98TFF6HUXEXU True 128-bit floating point high dynamic range (HDR) lighting 16X full-screen anti-aliasing PCI Express 2.0 Support Built for Microsoft Windows Vista Open GL 2.1 support