News: Nvidia GTX1080 and GTX1070 will not support 3-4 way SLI for Gaming
Well as the title says; PCPer reported the news recently that Nvidia changed their minds and will not support 3 and 4 way SLI for gaming. They will enable it for certain benchmarks though. In all honesty though this is not really an issue as the performance gains above 2 cards is minimal. Check the video for the details.