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Passive Loop?

post #1 of 34
Thread Starter 
Hey guys, I currently am mocking up a loop for my folding rig (currently has an h50). And will have a 1090t and 2 gtx460s. My fiance (who will eventually have to live with this rig) hates the sound of fans running all the time, so I was wondering how much rad I would need to run a completely passive loop. (I know I will probably have to settle for some low rpm GTs or NBs) But I was just wondering if it is possible. I checked out the massive radiators 3x3 120 and 140mm rads and wanted to know if anybody has experience with them. Any suggestions or tips for my planning would be greatly appreciated! Thanks -elo
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post #2 of 34
I believe it's possible, but you're going to have to run more than 3x360's if you go fully passive. I actually wouldn't use those kinds of rads for passive cooling, as they're designed for some kind of airflow. But yeah, you'll have to go with low RPM fans or some low speed GT's.
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post #3 of 34
Use one of those massive phobia 360x360 truck rads lol
post #4 of 34
You could get the Phobya Xtreme 1080, It's the same price as a high performance 360 rad. I'm not too sure how it would work passively but you could mount a 360mm fan on it and use it at low RPM.
    
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post #5 of 34
Thread Starter 
yeah, i know the 1450 gts are pretty quiet, but i was thinking of putting the rad in the floor and it would be a pain wiring all those fans externally. maybe if i moved my desk over the ac vent?
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post #6 of 34
Thread Starter 
Quote:
Originally Posted by Kratthew D. Kraids View Post
You could get the Phobya Xtreme 1080, It's the same price as a high performance 360 rad. I'm not too sure how it would work passively but you could mount a 360mm fan on it and use it at low RPM.
a 360mm fan? i didn't think of that. is there a place i can look up a chart of rads that has the tdp's compared?
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post #7 of 34
honestly when I was googling for info on the 1080 I couldn't find much aside from german sites, I'll try and find them for you.

Edit: found it http://forums.pureoverclock.com/show...53&postcount=2
Edited by Kratthew D. Kraids - 5/24/11 at 9:40pm
    
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post #8 of 34
I've run my 360/240/120 with only 2 low speed fans in pull setup before, which is basically passive. It kept my w3520 @ 4.2 and Mobo cool even during gaming, but the radiators were in my window in cold weather.

A slightly lower load Phenom with similar rad setup should be okay passive, but it might be a little warm with absolutely no air flow.
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post #9 of 34
Thread Starter 
hm. nice to see they have that in a 140 also, since you can get 140's at lower rpms. i will have to read up some more on these 1080s. thanks all. so the consensus is that *some* airflow is needed but not much? thats what im gathering.
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post #10 of 34
yeah, just enough to get the air moving. As of right now I have my radiator sitting on my desk, I want to mount it on the side of my desk. It has tubing that's long enough so in the winter time I can place the rad in my window and overclock on the crisp Wisconsin air.
    
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