Diamond Viper ATI Radeon X1950 XTX PCI Express 512MB Video Card 512 MB GDDR4 256-bit graphics card with dual DVI and Vivo, 650 MHz Core Clock speed, and 2.0 GHz Memory speed Support for Microsoft DirectX 9.0 and OpenGL, and Shader Model 3.0 programmable vertex and pixel shaders in hardware Dual digital display connections capable of powering a combination of digital flat panel or analog displays simultaneously, with independent resolutions and refresh rates Comes with everything you need for installation and setup, as well as Composite and S-Video cables, HDTV out cable, and two DVI-to-VGA adapters Requires Intel Pentium 4 or AMD Athlon 64 FX CPU's running 2.4 GHz or higher, Microsoft Windows XP, XP 64, or Media Center Edition 2005, and a PCI Express X16 compliant slot