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New Loop Order good?

post #1 of 15
Thread Starter 
Everyone seems to say that for a GPU + CPU loop u need a 360mm radiator(at least). Has anyone ever tried a different configuration for lower temps?
Reservoir-> Pump -> 240mm radiator-> Cpu -> 120mm radiator(240 if u got space)-> GPU->reservoir.

I just added a water block on my 8800GTS and its going to be in the same loop as my CPU because it's a pain to fit 2 loops inside the comp (do not want external setup). and also i'll save money from buying another pump and reservoir.
The way i see it, if u had 1 360mm radiator it'll only benefit the CPU since the coolest water is hitting it first. But if u throw a radiator between the CPU and GPU then ur GPU is also getting cooler water further reducing temps. It'll affect flow rate pretty good but wouldnt it be worth it for lower temps for BOTH cpu and gpu?

Feel free to criticize my theory since its just a thought.
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post #2 of 15
You are running a Quad Core + 8800 = lots of heat dump. I would suggest 2 rads is mandatory, if you have a single loop. Do you ever plan on going SLI? If so you need a 120.3 + 120.2 at minimum, IMO. On second thought, that is what I recommemd for you right now, since it gives you plenty of headroom...
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post #3 of 15
Also, componet order does not matter. We are talking about a closed loop, the temp of the water will balance out.
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post #4 of 15
Hi.

Yes. I have a system that runs dual rads in a single loop

Res > Pump > 220 > CPU > 120 > GPU

It is installed in a Silverstone TJ-07

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post #5 of 15
Thread Starter 
Quote:
Originally Posted by Syrillian View Post
Hi.

Yes. I have a system that runs dual rads in a single loop

Res > Pump > 220 > CPU > 120 > GPU

It is installed in a Silverstone TJ-07

Does that work better than a 360mm radiator > CPU > GPU ?
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post #6 of 15
Thread Starter 
Quote:
Originally Posted by RedRaider View Post
You are running a Quad Core + 8800 = lots of heat dump. I would suggest 2 rads is mandatory, if you have a single loop. Do you ever plan on going SLI? If so you need a 120.3 + 120.2 at minimum, IMO. On second thought, that is what I recommemd for you right now, since it gives you plenty of headroom...
No, not planning on SLI, no point with 8800GTS (G80). Its going single loop so th D5 vario pump is gunna be left at max speed. I personally think component order matters. for instance, lets say theoretically the water temp out of the cpu is at 35*C so thats 35*C hitting the GPU block. Whereas if u had a radiator in between then that 35*C would be lowered to say 30-32*C which would reduce ur GPU temps more.
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post #7 of 15
Quote:
Originally Posted by lilsquirtle View Post
No, not planning on SLI, no point with 8800GTS (G80). Its going single loop so th D5 vario pump is gunna be left at max speed. I personally think component order matters. for instance, lets say theoretically the water temp out of the cpu is at 35*C so thats 35*C hitting the GPU block. Whereas if u had a radiator in between then that 35*C would be lowered to say 30-32*C which would reduce ur GPU temps more.
Yes but you have to take into account the extra restriction and tubing that is implemented by putting another rad between the CPU and GPU. That slows down the flow of the water and flow is very important, some say the most important. Overall I think you get pretty much the same results.
post #8 of 15
Thread Starter 
Quote:
Originally Posted by PuffinMyLye View Post
Yes but you have to take into account the extra restriction and tubing that is implemented by putting another rad between the CPU and GPU. That slows down the flow of the water and flow is very important, some say the most important. Overall I think you get pretty much the same results.
Would you hurt flow if u threw in a "weaker" pump somewhere between the 2nd rad and the CPU? that way ull be sharing a reservoir still....
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post #9 of 15
Quote:
Originally Posted by lilsquirtle View Post
Would you hurt flow if u threw in a "weaker" pump somewhere between the 2nd rad and the CPU? that way ull be sharing a reservoir still....
You don't want 2 different pump in the same loop witih different flow rates, that is just a no-no as the second pump would add restriction.
post #10 of 15
sorry to jack this thread, but would I be ok w/ a 480 GTX Rad and a cpu and gpu and still have headroom for multiple GTX 280's
    
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