According to NVIDIA’s marketing, NVIDIA’s Scalable Link Interface (SLI) “can deliver as much as 2x the performance of a single GPU configuration for unparalleled gaming experiences.” What NVIDIA fails to make clear, however, is that SLI currently requires NVIDIA to write driver profiles for each game to support SLI. Are all the games you want to play supported?
“The bottom line is NVIDIA is going to have to kick it up several notches on the driver side if they want SLI to impact the marketplace. The optimal solution is to make it so SLI is completely transparent to games so they don’t have to create a profile for each game allowing SLI to “just work.” Unfortunately, this doesn’t seem to be the case…”