Chipset: NVIDIA GeForce 6500S BUS Interface: PCI Express X16 Memory Interface:64bit Memory Type: 128MB TSOP DDR1 Core/Memory clock: 350/533MHZ Pipeline:4 Pixel Shaders,3 Vertex Shaders Maximum Resolution: 2048x1536@85Hz Video Output Function: DVI-I + S-Video + VGA NVIDIA TurboCache Technology NVIDIA nView 2.0 Direct X 9.0c/OpenGL 1.5 support NVIDIA CineFX 3.0 engine NVIDIA Intellisample 3.0 technology NVIDIA UltraShadow II NVIDIA Vertex Shader 3.0,Pixel Shader3.0 NVIDIA Digital Vibrance Control 3.0