ASUS EN9800GT/HTDP/512MD3 GeForce 9800 GT 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready Video Card Graphics Engine NVIDIA GeForce 9800GT; Bus Standar PCI-express-graphics-cards Quadro NVS450 PCIE 2 VCQ450NVS-X16-PB