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Radiator Fans Cold Air In or Hot Air Out?

post #1 of 17
Thread Starter 
Hi guys,

1. Just want to say I love this site everyone is very helpful and its nice to be within other computer lovers smile.gif

2. Also I have a HAF 932 case and looking to mount a Black Ice GTX Xtreme 360 Radiator inside the case on top using PUSH/PULL. Now my question is will I get better temps with the push/pull setup to have the fans blowing the hot air out the case or cold air into the case?

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OR

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post #2 of 17
I would go with option B

You want the hot air away from your computer not being pushed into it.
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post #3 of 17
Hot air rises, so option B is better.

I have mine that way also.
    
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post #4 of 17
Quote:
Originally Posted by Tw34k;12882208 
I would go with option B

You want the hot air away from your computer not being pushed into it.

This
post #5 of 17
Thread Starter 
Great sorry for the stupid question I was looking on youtube and couldn't figure out why some people have it option A. I must admit you guys are FAST as far as responding!
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post #6 of 17
If you had the rad at the bottom of the case I would say cold air in. But you have it at the top so Hot air out.
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post #7 of 17
I've tried both ways with my HAF X. Having it as an intake raised the temp on my NB/SB 2c and my GPU's by 6c on idle but brought down my CPU by 5c. I have it as an exhaust.
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post #8 of 17
Thread Starter 
okay thanks for the heads up.
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post #9 of 17
Pushing air out would be the best option for you.
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post #10 of 17
I've heard both ways, but it probably depends on how good your exhaust is.

Technically you want the coldest cleanest possible air entering the radiator. Having it exhaust upwards may get heat from inside the case, but with lots of air flow that may not be as bad as you think. Having it draw down would probably get good cold air near the front of the case, but it could be drawing in PSU or other exhaust coming out of the back of the case.

The only way to tell which is better would be to measure the air temperature difference going into the radiator along the entire length.

It's actually a really good exercise, you could save a few degrees by paying attention to how air circulates AROUND your case.
    
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