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GTX 780 SLI Watercooling. Rad size?

post #1 of 3
Thread Starter 
Hi, I am mildly interested in watercooling my two 780s. My CPU is currently cooled by an H100i and I am very satisfied with its performance. Also, I don't want to ditch the H100i because my wife just bought it for me.

However, I don't like the temps on my 780s. I was wondering if someone could help me out, I don't know what rad size is suitable for what I am using it for. Currently I only have one 120mm port on the rear of my case (Corsair 600T) that I could use. I'm almost certain a 120mm rad wouldn't cut it for two 780s. A 240mm would be a possibility, but I would have to do an external mount.

Any help is appreciated. Thank you.
post #2 of 3
I wouldn't go any less than a 360. You can do some nice things with an external mount. What is your budget?
DUALBRAIN
(15 items)
 
  
CPUCPUMotherboardGraphics
Xeon X5680 Xeon X5680 eVGA SR-2 eVGA GTX 780 Ti 
GraphicsRAMHard DriveCooling
eVGA GTX 780 Ti 24 GB Corsair Dominator Samsung 840 Pro Aqua Kryos x 2 CPU, Aqua Nickel Ti x 2, MIPS MB... 
OSMonitorKeyboardPower
Win 7 Ultimate Dell U3415W Func KB 460 & Happy Hacker Pro 2 Corsair 1200 AXi 
CaseMouseAudio
Case Labs TH 10 Func Audio Engine A5+ 
  hide details  
Reply
DUALBRAIN
(15 items)
 
  
CPUCPUMotherboardGraphics
Xeon X5680 Xeon X5680 eVGA SR-2 eVGA GTX 780 Ti 
GraphicsRAMHard DriveCooling
eVGA GTX 780 Ti 24 GB Corsair Dominator Samsung 840 Pro Aqua Kryos x 2 CPU, Aqua Nickel Ti x 2, MIPS MB... 
OSMonitorKeyboardPower
Win 7 Ultimate Dell U3415W Func KB 460 & Happy Hacker Pro 2 Corsair 1200 AXi 
CaseMouseAudio
Case Labs TH 10 Func Audio Engine A5+ 
  hide details  
Reply
post #3 of 3
Thread Starter 
Well right now I am just building interest on it. The two 780s set me back a bit. I would like to invest $600 into watercooling the cards, including the price of the water blocks.

I feared that a 360 rad would be needed, but I just don't see how I can pull it off. If I was to mount it on the rear it would block my input ports for my video card. :-/
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