Manufacturer:ATI Interface Type:PCI-EXPRESS \Video Memory: 256 MB DDR \World's first PCI Express? Graphics Chip\ Native x16 lane PCI Express Increased memory bandwidth to 12 Gigabytes/sec\ Engine clock 500 \Memory clock 600\Four extreme parallel 3D rendering pixel pipelines\ Two programmable vertex shader pipelines \ 128-bit memory interface supporting 128MB or 256MB DDR1 memory configurations