Ultra realistic gaming effects & stunning speed Geforce 7100 GPU NVIDIA series 7 graphics 128MB memory supporting 512MB using the latest Turbo Cacheand 153 technology PCI Express interface NVIDIA Cine F Xand 153 4.0 Engine delivers advanced visual effects at unimaginable speeds Microsoft Direct X 9.0 Shader Model 3.0 Support NVIDIA Pure Videoand 153 Technology NVIDIA Turbo Cacheand 153 Technology NVIDIA Ultra Shadowand 153 II Technology Built for Microsoft Windows Vistaand 153 SLI Ready