Quote Originally Posted by error8 View Post
VRMs are very cool. I check those before the GPU temp. What I've noticed on my card is that it doesn't matter if it's 65 C or 55 C, it gives me the same overclocking numbers. But, I'll try running everything with the fan at 100% ( hopefully I won't loose my hearing), so let's see what happens.
Have you thought about a bad HS mount?

If 1 VRM is not touching the HS with the same pressure as the other and that one overheats you will get artifacts.

I would double check the VRM and GPU HS mounts and thermal paste.