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should i replace this pump?

post #1 of 5
Thread Starter 
hello

currently i have thermaltake P500 pump
should i change this pump to another like EK DPC 4.0, XSPC X2O 750 or swiftech MCP355?

i'm planning to add one more loop for gpu on the future, but i only have cpu loop right now



thanks
Edited by DrakeZ - 7/23/11 at 2:08am
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post #2 of 5
ThermalTake = ThermaLeak from what i've heard. Personally I'd get a mcp355 as they're well known for being very good pumps. The X20 gets somewhere around half the performance of the MCP355 i believe, and probably isn't the best pump. The MCP355 is definitely your best bet if you want to upgrade your pump.

You also may want to consider keeping a single loop and put the money you would spend on another pump, res, tubing, rad, etc, and get a better pump and rad/another rad if you can. This would probably get you better results than a dual loop. The temperature evens out in the loop from what i've heard, which means your gpus won't keep your cpu hot etc. Usually if you do a single loop with enough rads going Res->Pump->Rad 1->Rad 2->etc->CPU->GPU1->GPU2->etc->res then you should be all set. I honestly have never set up a water cooling loop, however I'm planning for one, and I'm the type of person to research the CRAP out of something this expensive before I dive in. So I would get some confirmation from others just to be 100% sure. It shouldn't take too much to cool the cpu/gpu in your sig rig though. Another thing to factor in with a dual loop is rad overkill. If you have say a 240 on your cpu and a 240 on your gpu, and your cpu isn't being maxed out (thus not creating it's maximum temperature, which is quite common considering the cpu is rarely at 100% even while gaming), then you're wasting part of the heat dissipation of the cpu's radiator. Whereas with a single loop, you have both of the 240 rads cooling your cpu and gpu, if the cpu isn't generating much heat and the gpus are, then the additional cooling power gets put to the gpu keeping it cooler.
Edited by trance.geek420 - 7/23/11 at 8:31am
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post #3 of 5
If the pump isn't leaking and is running normally, the 2.08 gal per min. is some good flow actually. Even the MCP355 with a performance top would need to reach for that kind of flow.

BUT, other than flow, if the pump head pressure is weak, then the MCP33 or MCP35X would be nice to replace the TT 500 pump. OR if the TT 500 pump head pressure is compariable to the MCP355/355X, then why replace the TT 500 pump.
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post #4 of 5
I can't find any head pressure for that pump, which probably mean's it's abysmal (but it thermaltake, that pretty much confirms it anyway )


Personally I would change. The XSPC pump is decent up to a point but I wouldn't want to be using it for SLI cooling. The MCP355 is very good, though, but of course you'll need a reservoir with it (though I suspect you already have that)
    
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post #5 of 5
definitely the 355. A good solid pump for sure. However, I am believer in the single loop. You rarely are using both your GPU and CPU maxed at the same time. Therefore it's beneficial to do a single loop, and you don't have to worry about the pressure drop when you split the line, which will happen and could actually cause issues. Just make sure you've got enough radiator to cool it and it'll equilibrate out in the end anyway.
    
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