Hi, I was disappointed to see only one of my GPU's being used & the lack of an SLI profile for this game so with some trial/error I've fixed my issue. I'm not sure if nvidia is going to include a SLI profile for Sanctum 2 in a future driver release, but for the time being I've been using Nvidiainspector to create a new profile & using Mass Effect 2/3's (same ue engine) SLI bit. I've been getting great scaling, with my two cards being used up to 89% and no more framerate drops like I was getting with my single GPU. Just wanted to share in case anyone was interested. The SLI bit is 0x42402005
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