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Water cooling loop HELP

post #1 of 11
Thread Starter 
Hello all new to the community. I have just randomly started a be project with a Crosiar 500 R. The cases has 2 exhaust fans on top and one on rear. 2 intake fans on front and one on bottom of case. I am mounting 120mm rad on rear exhaust and 2x120mm rad on top. I am thinking about mounting another rad on front with an inward push config. Most likely 2x120mm rad. My concern is how do you think it will effect cooling placing a rad in front of 2 of 3 intake fans.

I will be cooling a cpu, 1 possibly 2x7950, and 4 sticks of ddr3.. Your input is greatly appreciated.
post #2 of 11
If you place a radiator in front of intake fans, you're essentially blowing hot air into your computer case. Now the other radiators are going to pull that hot air from the case to cool them off. I wouldn't personally say don't do it. You want fresh air coming in the front for other radiators to use.

If you get the THICK radiators, you won't need to use 3. The 120 and 240 will be enough. 7950's really don't run that hot even when overclocked.
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post #3 of 11
Quote:
Originally Posted by SpykeZ View Post

If you place a radiator in front of intake fans, you're essentially blowing hot air into your computer case. Now the other radiators are going to pull that hot air from the case to cool them off. I wouldn't personally say don't do it. You want fresh air coming in the front for other radiators to use.

If you get the THICK radiators, you won't need to use 3. The 120 and 240 will be enough. 7950's really don't run that hot even when overclocked.

They do if you don't run water through them tongue.gif

120+240 rads should be just about enough for CPU and 2 GPU configuration, if I were you I would save money and leave the RAM out of the loop, it is pretty pointless.

I don't know that much about water cooling but I guess you could do something like Res->Pump->CPU->120Rad->GPU1->GPU2->240Rad

Would be my guess on most optimal route atleast.
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post #4 of 11
My CPU runs hotter than my video card does and my 7950 is OC'd to 1150 / 1575

Under load it gets like 58C
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post #5 of 11
Quote:
Originally Posted by SpykeZ View Post

My CPU runs hotter than my video card does and my 7950 is OC'd to 1150 / 1575

Under load it gets like 58C

Your sig says 7850?

Regardless, when I still had a single card I ran 1200/1475 for stable gaming and hit ~90C in BF3/FC3/Metro often.

If you run on stock cooler then 58C is not possible under load unless you run the GPU fan at 100% constantly maybe.
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post #6 of 11
Quote:
Originally Posted by SpykeZ View Post

If you place a radiator in front of intake fans, you're essentially blowing hot air into your computer case. Now the other radiators are going to pull that hot air from the case to cool them off. I wouldn't personally say don't do it. You want fresh air coming in the front for other radiators to use.

If you get the THICK radiators, you won't need to use 3. The 120 and 240 will be enough. 7950's really don't run that hot even when overclocked.

while this is true i belive that the water temps will pretty much stabalise through the whole loop at peak load temps... also the sheer amount of rad we are talking about here will kinda negate your theory.

eigther way the air from inside the case (blown from the intake rad) will be cooler than the water in the exhaust rad, hence cooling.
post #7 of 11
Oops..supposed to be 7950.

Anywho I'm using a Sapphire Flex and yes, my GPU sits around 58C under load with fans around 50-70%
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post #8 of 11
Thread Starter 
Quote:
Originally Posted by AlaskaFox View Post

while this is true i belive that the water temps will pretty much stabalise through the whole loop at peak load temps... also the sheer amount of rad we are talking about here will kinda negate your theory.

eigther way the air from inside the case (blown from the intake rad) will be cooler than the water in the exhaust rad, hence cooling.

That is exactly what I was thinking, but I wanted to see what others thought. One person agrees good enough. I really want the case as close to silent as possible. As far as the ram goes I know it's some what pointless performance wise but it looks so sweet. Honestly it's wishful thinking it may not happen i will sooner set aside those funds for a second GPU. Also just to clarify using all 30mm rads.

Thanks for the input
Edited by Lights - 1/25/13 at 3:28pm
post #9 of 11
Quote:
Originally Posted by Lights View Post

That is exactly what I was thinking, but I wanted to see what others thought. One person agrees good enough. I really want the case as close to silent as possible. As far as the ram goes I know it's some what pointless performance wise but it looks so sweet. Honestly it's wishful thinking it may not happen i will sooner set aside those funds for a second GPU. Also just to clarify using all 30mm rads.

Thanks for the input

Well, in reference to your cooling the memory with water. This is OCN....we overdo everything here. If it's not over the top, get back to work! smile.gif
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post #10 of 11
Quote:
Originally Posted by Lights View Post

That is exactly what I was thinking, but I wanted to see what others thought. One person agrees good enough. I really want the case as close to silent as possible. As far as the ram goes I know it's some what pointless performance wise but it looks so sweet. Honestly it's wishful thinking it may not happen i will sooner set aside those funds for a second GPU. Also just to clarify using all 30mm rads.

Thanks for the input

im personaly not a fan of water cooled ram visualy or "performance" wise.
but to each their own of course smile.gif

good luck with your building!
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