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SLI Summary

Below you can find quick reference tables on SLI. As you can see SLI mode can also be used to increase the maximum resolution your video card can generate.

Mode Supported Video Cards Maximum Resolution Maximum SLI AA
SLI GeForce 6600 and upAll GeForce 7All GeForce 8 2560×1600 16x
Quad SLI GeForce 7950 GX2GeForce 9800 GX2 2560×1600 32x
Three-way SLI GeForce 8800 GTXGeForce 8800 Ultra 2560×1600 To be confirmed
Hybrid SLI (GeForce Boost) GeForce 8400 GSGeForce 8500 GT To be confirmed To be confirmed
Hybrid SLI (HybridPower) GeForce 9800 GTXGeForce 9800 GX2

Below you can find a list with all chipsets that support SLI. Under “PCI Express Mode” we listed what is the real transfer rate of the x16 PCI Express slots when SLI mode is enabled. Keep in mind that when SLI mode is disabled and you have only one video card installed the main PCI Express x16 slot will always work at x16.

Chipset Supported Modes PCI Express Mode
nForce 780i SLInForce 790i SLI SLI, Three-way SLI, Quad SLI Two PCI Express 2.0 x16, One PCI Express 1.0 x16
nForce 780a SLI SLI, Three-way SLI, Quad SLI, Hybrid SLI Two PCI Express 2.0 x16, One PCI Express 2.0 x8 (all work at x8 when three video cards are installed)
nForce 750i SLI SLI, Quad SLI Two PCI Express 2.0 x8
nForce 750a SLI SLI Two PCI Express 2.0 x8
nForce 680i SLI SLI, Three-way SLI, Quad SLI Two PCI Express 1.0 x16, One PCI Express 1.0 x8
nForce 680i LT SLI SLI, Quad SLI Two PCI Express 1.0 x16
nForce4 SLI X16nForce Professional 3600 and 3050nForce Professional 2200 and 2050 SLI Two PCI Express 1.0 x16
nForce 590 SLI SLI, Quad SLI Two PCI Express 1.0 x16
nForce 650i SLInForce 570 SLI (AMD) SLI, Quad SLI Two PCI Express 1.0 x8
nForce 570 SLI (Intel)nForce 570 LT SLInForce 560 SLInForce 500 SLInForce4 SLInForce4 SLI XEnForce Professional 3600nForce Professional 3400nForce Professional 2200 SLI Two PCI Express 1.0 x8
nForce 8300nForce 8200nForce 8100nForce 730anForce 720a Hybrid SLI One PCI Express 2.0 x16
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Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.