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animus123 40 months ago

I recently set up my computer. 6700K Processor with GTX 980ti GPU. It was running very well on an ancient 1080 monitor but I decided to get one of those fancy 1440 144Hz monitors and really push things. Everything still looked pretty good but I thought to myself, I can still do better. So I got a second 980ti to configure SLI and reaaaaaally push things. Now I'm finally getting the graphic quality I'm looking for but I'm running into some GPU temperature issues. Before when I had a single GPU, it ran about 72C at full load. I figured that was an acceptable temperature and didn't really think too much of it. Now that I added a second GPU, however, the top card rises to about 83C under full load. Slightly unacceptable.

So I think it might be time for me to add some water cooling to my GPU's. I am currently using a Corsair 750D case and I actually am quite happy with my CPU temperatures. I've got a x61 Kraken on the CPU, with the radiator for that utilizing the top of the case. I'd rather not change that, but that's not a deal breaker. My Power Supply is a EVGA 1000 Watt supernova, which kinda blocks any reasonable radiator on the bottom. I guess I could probably fit a 120 or a 240 there if I took out the HDD enclosures(which I'm prepared to do). Which leaves the front. I'm 90% certain I can throw a 240mm Radiator there, but is that enough for two GPU's? I don't intend to overclock particular hard, I just don't want my GPU's to be within 9 degrees of their max temp limit.

It looks like for the most part people say EKWB are the cool kids to go to for custom water cooling. From what I can find they offer a water block(https://shop.ekwb.com/ek-fc980-gtx-ti-tf5-nickel) and a back plate(https://shop.ekwb.com/ek-fc980-gtx-tf5-backplate-rev2-nickel) for my exact video card(https://pcpartpicker.com/part/msi-video-card-gtx980tigaming6g), and I'm fairly certain I can fit their 240mm Rad(https://shop.ekwb.com/ek-coolstream-xe-240-double) to the front of my case. Where I start get a little fuzzy is the pump and reservoir. Where I start to get a lot fuzzy is the tubing and fittings required to connect everything together. I'd assume I'd keep it simple with something like the EK-XRES100 Revo (https://shop.ekwb.com/ek-xres-100-revo-d5-pwm-incl-pump) for the pump resevoir combo, but what I really need help with are exactly what kind of fittings would I need to connect all this together. On their website they just listed so many of the things.

I wish they sold GPU kits along with their cpu ones, but I guess thats an even more niche market than even most custom watercooling. Anyway, I don't particularly care about the aesthetics or sound levels. I just want my GPU's not to burn up! Thank you for any help you may give.

EDIT: I've considered just buying one of their 240mm CPU kits and just setting aside the CPU part and hooking everything to the two GPU blocks. Is there anything obviously wrong with that that people can think of?

Comments Sorted by:

GentlemanShark 1 Build 1 point 40 months ago

I just bought an l120 and will tell you my experience when I get it, but I would get one of their extreme series if you want a GPU loop, it might be cheaper to buy each individual part, all their kits do is throw compatible parts in a box.

animus123 submitter 1 Build 1 point 40 months ago

Yeah I'm thinking it might be better to try and go for individual parts too. I just wanted a lazier way out but that does not seem to be the way to go, heh.

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animus123 submitter 1 Build 1 point 40 months ago

Thanks for the part list. Would you recommend the backplates for those video cards that EKWB offers? The ones located here : https://shop.ekwb.com/ek-fc980-gtx-tf5-backplate-rev2-nickel .

Also that drainage thing sounds pretty nifty. Where would you recommend to fit it along the loop? Just anywhere I can easily reach or place it?

I tried to really ramp the fans up through the afterburner program but I did not see any great effect. I'll look into that MSI Hawk though. Might be a better option. Thank you sir.

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animus123 submitter 1 Build 1 point 40 months ago

Assuming I get all of this set up with the 240mm Rad and assorted fittings etc., do you think that would be enough to cool two 980 ti's? I live in the cesspool known as Louisiana, where it is not only always scorching hot, but always 100% humidity for the double whammy of hell. I think that's part of why my temps are so high.

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animus123 submitter 1 Build 1 point 40 months ago

My case is a corsair 750D. If I take out the Hard drive enclosures I should be able to fit it.

This picture (http://imgur.com/YD3nxG7) is most definitely not my own computer, but it is the same case and shows something like I would want to do at some point. My PSU is a tiny bit longer than the one in that picture so I don't believe I could fit a 240mm rad on the bottom like that, but the front should work. Maybe I could throw a thinner 120 on the bottom to add to the loop.