Yes, it works on the 700 series as well. It's a generic routine; it searches out all NVIDIA GPUs and sets the registry flag required to tell the driver to use PCIe 3 if it's available (regardless of whether it's officially supported or not).
Team Anandtech: Assimilating a computer near you!
GameStop - An upscale specialized pawnshop that happens to sell new games on the side
Todd the Wraith: On Fruit Bowls - I hope they prove [to be] as delicious as the farmers who grew them