According to slide over at VR-Zone, the new 990FX and 990X chipsets will support NVIDIA’s SLI multi-GPU technology.  That announcement does come with caveats, 7 and 8 series boards will not support SLI and there will be absolutely no support for the NF200 bridge chip.  Even still any time the consumer is given more choices it is a good thing.

AMD's Bulldozer boards will support SLI - General Tech  1

"For so long, AMD enthusiasts have to resort to unofficial patches to make SLI work on their boards but not anymore. NVIDIA has finally agreed to make their SLI technology available for AMD 9-series chipsets boards supporting the Zambezi processors based on Bulldozer architecture."

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