First water cooling, threadripper with some 980tis

Greywolf411 · February 29, 2020

So, this is my first water cooling build. I have a threadripper 3960x which typically sees temps in high 60s on benchmarking, maybe 70 on longer blender runs. I have two 980tis, not in sli, I had from my previous build and I'm waiting on new nvidia cards to swap for my main card and continue to use for gpu rendering.

The question I have is since my 980ti seems to get to similar levels of heat if that is what should be expected, or perhaps something is amiss with my thermal paste application or other factors? I have to have my dual d5 revo pump going at full otherwise if I play a game on it I'll have it sneak into the 80s or higher.

I have an inordinate amount of rads, 2 360 black ice nemesis L series rads and 2 480 xspc tx480s. I, however, don't have a full 480 on the fans on one of the tx480 rads due to space issues. But, even when I have my fans going full strength they don't make a huge difference in the temperature readings. Which makes me think that perhaps the paste, thermal grizzly, is perhaps not working as well as it should?

Threadripper 3960x, ASRock TRx40 Creator, 128 gb Corsair Vengeance Pro RGB ram, 2x 980ti, phanteks 719 case, corsair ax1600i psu. I should add that these were evga sc+ gaming cards w/ acx 2.0+, whisper silent cooling and backplate. So I've taken the cooler off, had to dremel a few tabs on each off to fit my EK-Thermosphere gpu waterblocks, and kept the vrm mid and backplate from the original cards. Maybe the vrms are getting too hot and causing the main gpu to heat up as the backplate isn't getting air flow?

Thoughts?

Greywolf411 · March 26, 2020

I bought a used EK-FC Titan X waterblock to go on my main 980ti as the temps are only about 10C less than when it was using the air cooler, and I really am not sure what's going on. I assume either the paste application is perhaps messed up, or the memory and vrms needed better cooling and are just creating extra heat themselves?

Either way with the amount of radiator space I have in the system I would have expected a lot better. If the system is able to drop the heat very quickly, I'm assuming that's a good sign...now just have to figure why it can't seem to keep it from going high in the first place.

Open to any suggestions, thanks in advance.