Help with new water-cooling setup

By thecomputernut ยท 4 replies
Jan 5, 2012
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  1. Hey guys. I recently installed my first liquid cooling system. It is currently cooling just the CPU, but I am upgrading so I can liquid cool my two GTX 460s as well. My question is, how? Do I split the incoming water three ways and send one tube to each component (CPU, 460, 460). Or do I go through the CPU, out to the first 460, out to the second 460, to the pump/reservoir, back to the CPU. I ask because I figured the water would be hot coming out of the CPU and it wouldn't make sense to go directly to other parts that need to be cooled. On the other hand, splitting the water 3 ways seems like it would weaken the flow enough that all three parts wouldn't be cooled ver well. So neither system seems quite right. Am I missing something?
  2. CrisisDog

    CrisisDog TS Booster Posts: 139   +33

    Don't split the flow three ways, keep it going from one waterblock to the next. If you're concerned about it getting too hot on the CPU, then flowing to the video cards, I'd suggest throwing a second radiator inbetween, usually just a single 120mm, then a 240mm or bigger as the flow leaves the video cards. Another option is to create a second loop, with it's own individual reservoir, pump, and radiator, but that adds more expense.
  3. red1776

    red1776 Omnipotent Ruler of the Universe Posts: 5,224   +164

    Hopefully DBZ and or Linked Cube will find this post, but in the mean time I will second CrisisDog and say that to cool two cards , the minimum rad you will want dedicated (or added) will be a 240mm x 50mm rad. I would prefer it be in a separate loop., I am undertaking a major water-cooling in my machine right now as well, and found a 360mm x 50mm loop for the CPU , and Dual 240mm for the GPU's (I am running 4 GPU's) in a separate loop to be my solution..
    As I said DBZ and Linked Cube are the resident experts and hopefully will weigh in
  4. EXCellR8

    EXCellR8 The Conservative Posts: 1,835

    lol experts... it's water cooling a PC not manually calibrating the software on the hadron collider

    thread is 3 weeks old? figure OP has found his solution elsewhere...
  5. red1776

    red1776 Omnipotent Ruler of the Universe Posts: 5,224   +164

    1) Hadron collider ? who the hell said that? it was a suggestion about cooling capacity (BTW, I have seen some rather misconfigured cooling systems)
    2) Who claimed to be expert?
    3) Three weeks old....I'll give ya that one. :p

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