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  #1  
Old 10-16-2010
JunGLe JunGLe is offline
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Default How much rad for 2 GTX 480's and oc'ed 980X ?

Hi all,

This is my first post here as Ive been "out of the loop" for a while with watercooling

The temps on my cpu have been a bit too high at 4.2 GHz with the GTX 480 sharing a triple fan rad.
I have space for another dual fan rad, which I wanted to add inline on the single loop. I would run the line in this order: rad -> gpu's -> rad -> cpu -> reservoir -> pump.

The triple handles the temps pretty well for the cpu and very well for the gtx 480.
GPU 60 c @ load
CPU 85 c @ load
I use 80-90cfm fans and a high flow swiftech MCP 655 pump ( 317 Gph ).

How much radiator are you using on your rigs?

This is my Cosmos server case with prior QX9650 and ATI HD 3870's
Will update pics soon.




Last edited by JunGLe; 10-16-2010 at 09:17 AM.
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Old 10-16-2010
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I would venture to say not many here use radiators for much of anything here Jungle - It's all about short maximum effort blasts here with LN2/Dice probably being employed most of the time...not exactly a 24/7 solution.
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Old 10-16-2010
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for 24/7 dual 480 rads...or tripple tripple...
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Old 10-16-2010
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Hey Jungle, welcome back to OCA. I would have to say that two separate loops are a must in your system. Order of components in those loops won't matter at all as the entire loop reaches an average temp quite quickly. I would put the 980x on the dual rad and the 480's on the triple. I still run the "Warbird" for gaming and day to day stuff and it still is running strong after two years with a similar set up to what you have or are striving to get. Here is a pic
DSC03746.JPG
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Old 10-16-2010
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Thanks for all your feedback, the second gtx 480 looks all lost without it's own Koolance full block



On a side note, I just noticed that you have a UT3 Greed server!
Does anyone play UT3 besides MaadDaawg?

Last edited by JunGLe; 10-16-2010 at 11:17 AM.
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Old 10-16-2010
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Rom and Kal play - I'm more about COD myself.
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Old 10-17-2010
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Just posted this elsewhere too, but since it's germain to this discussion. Classy 769 w/ Core i7 at 4.5 w/ chipset and mofset blocks. Other loop, 1 5970.

Each has it's own Feser Quad and each stay near or at ambient room temp

May be Fugly but it gets the job done
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Old 10-16-2010
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Welcome Jungle!

As much as I like freezing stuff, water loops are still an integral part of my overclocking.

My main rig and the kid's rig are both watercooled and the benching station always has a couple of loops with 3-6 blocks (CPU, NB, GPU's) mounted on it for cooling whatever needs to be cooled.

90cfm from a 25mm fan won't get you near the performance of a 38mm because of less static pressure.

Likewise, a thinner rad is different than a GTX or a feser xchanger.

Also depends a lot on your overvolt and OC. Overvolted 480's (and 980x of course) put out WAY more wattage than stock.

I agree with Rom that a double + triple rad are fine, and loop order doesn't matter. But I don't think you need 2 loops. Your single 655 will handle 3 blocks and and 2 rads fine. My 24/7 with a single 655 pump has done fine with 120+480 rads, CPU block, full chipset block (classified), and 2 GPU blocks without a hiccup.
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Old 10-17-2010
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those are not ugly!!! i love em
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Old 10-17-2010
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Is that a lightning you clamped down there brother Rick?
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