USA - United States DRIVER PRODUCTS COMMUNITIES PC GAMES SUPPORT TO BUY ABOUT NVIDIA NVIDIA Home > Technologies > SLI > Overview Subscribe to MORE INFO Overview FAQ (Frequently Asked Questions) SLI multi-monitor SLI Physx SLI certified components (PDF 139KB - in English) Games optimized for SLI IMPORTANT LINKS SLI technology and GeForce GTX graphics processors NVIDIA® SLI® technology is an innovative platform consisting of several NVIDIA graphics cards and an SLI-certified mainboard to increase graphics performance. The NVIDIA SLI technology uses proprietary software algorithms and its own scaling logic in each NVIDIA graphics processor and thus delivers twice the performance (with two graphics cards) or 2.8 times the performance (with three graphics cards) compared to a single graphics solution. Performance chart How do I get SLI? For SLI, the PC requires an SLI-certified mainboard and two or three SLI-certified GeForce graphics cards. An SLI-certified power supply unit and housing are also recommended for maximum stability. A list of certified products is available here . Why is an SLI-Ready PC an intelligent investment? No other component upgrade can increase the PC's gaming performance anywhere near as much as adding a second graphics card. Imprint | Graphics card | 3D vision | 3D PCs | Tegra | Optimus | Compare and Buy Graphics Cards | Cool Stuff Professional Solutions: GRID | High Performance Computing | CUDA: Parallel Calculations | Quadro | 3D Vision Pro Business Solutions : About NVIDIA | Developers | Channel Partners | Investor Relations| Jobs | Product Safety Copyright © 2014 NVIDIA Corporation | Legal info | Data protection info | Cookie Policy | RSS feeds | Newsletter | Facebook