Tom's Hardware Guide published a review on Overclocking GeForce GTX 1080 Ti To 2.1 GHz Using Water
A quote from the article:
Our launch coverage showed that Nvidia's GeForce GTX 1080 Ti Founders Edition is held back by its stock cooler. So, we replaced the vapor chamber and centrifugal fan with a custom water-cooling loop. Was it worth it? Absolutely!Overclocking GeForce GTX 1080 Ti To 2.1 GHz Using Water @ Toms Hardware