Ultra-realistic gaming effects & stunning high-definition video without compromising performance New Nvidia Series 7 Graphics Bus interface PCI Express Memory Type 128MB DDR3 with Turbo Cache up to 512MBRAMDACs 400 MHz Next-generation superscalar GPU architecture NVIDIA Cine F Xand 153 3.0 engine NVIDIA Intellisampleand 153 4.0 technology NVIDIA Pure Videoand 153 technology NVIDIA Force Wareand 153 Unified Driver Architecture UDA NVIDIA n View multi-display technology Microsoft Direct X 9.0 Shader Model 3.0 support Open GL 2.0 support NVIDIA SLIand 153 ready For full 512MB support 1 GB of system memory required in SLI mode effective memory size is 128MB Ge Force 7100GS features the best-in-class 3D graphics performance to run the latest games & applications. Implementing Turbo Cacheand 153 technology Ge Force 7100GS shares the capacity & bandwidth of dedicated video memory & renders available system memory for turbocharged performance with larger overall graphics memory. Boasting the 3D graphics & video features of todays most advanced graphics processing units GPUs the NVIDIA SLIand 153-Ready Ge Force 7100GS GPU delivers ultra-realistic gaming effects & stunning high-definition video without compromising performance. As long as the system has 1GB of system memory Ge Force 7100GS will be able to support up to 512MB of graphics memory with fantastic performance.