MAD DOG CHAMPION MX 400 - Graphics adapter - GF2 MX 400 - AGP 4x - 64 MB CHAMPION MX 400 64 MB of Memory, 25 Million Triangles/sec through Hardware T&amp;L AGP 4X (Backward compatible to AGP 2X),NVIDIA shading Rasterizer (NSR) 2.7 GB/sec of memory bandwidth,TwinView Architecture,DirectX and S3 Texture Compression 256 bit Graphics Processing Unit,Full support for DirectX 7 and OpenGL 1.2