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Watercooling only my GPU - EVGA 980 TI Classified. What size radiator will I need?

post #1 of 8
Thread Starter 
Hi,

I want to watercool my 980 ti using an EK 780 waterblock that apparently fits the card.

What size radiator will I need?
    
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i7 3770k @ 4.8ghz z77 sabertooth EVGA GTX 980 TI Classified corsair vengeance 16gb 
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corsair h100 2x coolermaster megaflow 200mm 1x coolermaster 140mm 4x cougar vortex 120mm pwm 
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CPUMotherboardGraphicsRAM
i7 3770k @ 4.8ghz z77 sabertooth EVGA GTX 980 TI Classified corsair vengeance 16gb 
CoolingCoolingCoolingCooling
corsair h100 2x coolermaster megaflow 200mm 1x coolermaster 140mm 4x cougar vortex 120mm pwm 
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windows 7 professional corsair tx750 coolermaster haf x 
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post #2 of 8
A 120mm could work depending on the fan, but more is always better. I'd get the largest you can fit in your case.
post #3 of 8
Quote:
Originally Posted by SlvrDragon50 View Post

A 120mm could work depending on the fan, but more is always better. I'd get the largest you can fit in your case.
This is what I woudl do as well. You never know if you want to add another GPU or the CPU into the loop down the line.

General rule of thumb is 120mm per component.
post #4 of 8
Thread Starter 
great thanks

do you think i will see temps lower than 68-70C (that's my max with the ACX cooler and my room is like 22-24 C
    
CPUMotherboardGraphicsRAM
i7 3770k @ 4.8ghz z77 sabertooth EVGA GTX 980 TI Classified corsair vengeance 16gb 
CoolingCoolingCoolingCooling
corsair h100 2x coolermaster megaflow 200mm 1x coolermaster 140mm 4x cougar vortex 120mm pwm 
OSPowerCase
windows 7 professional corsair tx750 coolermaster haf x 
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CPUMotherboardGraphicsRAM
i7 3770k @ 4.8ghz z77 sabertooth EVGA GTX 980 TI Classified corsair vengeance 16gb 
CoolingCoolingCoolingCooling
corsair h100 2x coolermaster megaflow 200mm 1x coolermaster 140mm 4x cougar vortex 120mm pwm 
OSPowerCase
windows 7 professional corsair tx750 coolermaster haf x 
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post #5 of 8
Quote:
Originally Posted by Orc Warlord View Post

great thanks

do you think i will see temps lower than 68-70C (that's my max with the ACX cooler and my room is like 22-24 C

With my ek block, temps rarely go over 40C. I have 4x140mm rad space for my cpu and 2 970s SLI. Like the others, I would recommend at least one 120mm rad per component plus one. So if your going to add your cpu later and you can fit it, get a 360mm rad.
post #6 of 8
You can definitely go with a 120-140 rad, however, I would imagine the general consensus would be that it's better to have at least a 240 rad. 3 reasons, lower delta obviously, less effect on Ambient temps, and 3 allows for slower fan speeds(quieter)... I've got a 240 rad on my modded H60 for a GTX970 and I max out around 40C while gaming, in the summer I can see upto 45-46C, in winder I'll be lucky to get past 35C under benchmarks... It's awesome! When you get this much cooling, you think 45C is borderline too hot...lol
post #7 of 8
It'll definitely be cooler than 70*C.
post #8 of 8
Sorry to re-up this thread; did you watercooled your gpu? I'm actually waiting for fullcover waterblock, I'll use an XSPC 240x35mm rad and a DDC 3.1 pump. What temp may I expect?
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