Water Cooling Setup

I have wound up with over the years with a dual 120mm fan radiator, a single 120mm fan radiator, a Swiftech CPU water block w/220W TEC, a Swiftech GPU water block w/80W TEC, a regular north bridge water block, and a pump.

How I have it setup right now is:

Pump > Big Rad > CPU > Small Rad > GPU > Pump
(I’m not using the north bridge block right now)

My question is if you should use a Y connector and run 2 loops? One for the CPU and one for the GPU. Like this:

Pump > Y connector > Big Rad/Small Rad > CPU/GPU > Y connector > Pump
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  1. In all honesty, you would not be increasing your cooling potential any by splitting your loop, and could be introducing more flow restriction instead.

    As I see it, you have the most efficient setup now. The only time you should consider splitting your loop is if you have a series of cooling blocks that use a smaller tubing (ie, stepping down from 7/16" to 3/8" or 1/4"), or you have a specific device in that secondary loop that dumps a lot of heat into the system, enough so that it raises the ambient fluid temperature beyond an efficient cooling range for other devices in the loop.
  2. I would recomend a single loop as well unless you run the 2 loops completely seperate... also I have noticed bigger gains in cooling by going
    Pump > CPU > rest

    good luck!
  3. Thanks for the input!!! Right now I'm leaning to keep the single loop as I have it now. My only other question is where should I put my north bridge water block in the loop, if I decide to use it?
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