Gigabyte GV-N420-2GI Manual - Page 6

How NVIDIA®SLITM (Scalable Link Interface) technology works: If you are planning on using this graphics card as part of an SLI system, the following are required: - An SLI certified motherboard with two/three PCIe x16 slots and correct chipset driver - An SLI bridge connector or 3-way SLI bridge connector In an SLI configuration, two/three SLI-ready graphics cards of the same model and the same manufacturers are connected together via SLI bridge connector in a system that provides two/three x16 PCI Express slots to scale graphics performance. The picture below shows that two and three graphics cards are linked in parallel in an SLI configuration. SLI Configuration: SLI bridge connector (provided by motherboard manufacturer) Two SLI-ready graphics cards of the same type. (Example: GV-N28-1GH-B) 3-Way SLI Configuration: 3-Way SLI bridge connector (provided by motherboard manufacturer) Two SLI-ready graphics cards of the same type. (Example: GV-N28-1GH-B) NVIDIA Series Graphics Accelerator - 6 -