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Old 09-20-2012, 07:45 AM   #1
south_of_heaven 11
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Question About Airflow for PC

So right now my case has 3 fans in it. One of the fans is sputtering, so I'm about to replace it. The more I read about airflow for a case, the more I'm seeing that you want more air blowing out than in.

So when my new fan arrives, I'm thinking I should switch from 2 in and 1 out, to 2 out and 1 in. Does this sound correct?
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Old 09-20-2012, 10:22 AM   #2
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pretty sure otherwise you're moving hot air around rather then kicking it out via exhaust fan. so cool air comes in via an intake fan and two well placed exhaust fans push it all out

pretty sure this is logical, although your current set up might be ok, too? is the comp overheating / under performing?
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Old 09-20-2012, 03:03 PM   #3
south_of_heaven 11
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My temps in my PC are actually pretty fine. At full load my CPU doesn't break above 62 C and my GPU is around 60 C. But one of my intake fans is literally right on top of my GPU and blows air directly onto it...so what I'm worried is if it is blowing the hot air it is spinning off right back onto it...

Regardless, when my new fans come, I'll test out the 2 out 1 in and see if I can drop it more. Probably not but eh
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Old 09-20-2012, 03:31 PM   #4
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my laptop overheats and shuts down so quickly its annoying as shit

even got one of those stands with a fan in the bottom but it doesn't help much
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Old 09-20-2012, 04:40 PM   #5
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idk much about messing around with laptops, but maybe try opening it up and putting new thermal paste (like Arctic Silver 5) on the CPU? It's pretty cheap stuff, about 10 bucks, and can make a huge difference.
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Old 09-20-2012, 08:08 PM   #6
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ya thats what im assuming the problem is

i just dont really have the most confidence opening it up like that, also its pretty old anyway and im using it as an excuse to get a new one
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Old 09-20-2012, 09:30 PM   #7
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Look for some 'squirrel fans'

They really move some air
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Old 09-24-2012, 10:27 AM   #8
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So I installed my two new fans today, which were these:

http://www.newegg.com/Product/Product.aspx?Item=N82E16835106153

So I have 3 fans total, as with before. My side fan (intake) is mounted by some weird plastic screws, and I can't figure out how to remove the screws without damaging them or the case itself. So I had to leave that one as is. My front intake fan was replaced (front can only be intake on this case), and my out take fan was replaced. I put my new out take fan at full throttle, and my new intake at about half (since I have 2 intake fans).

My old GPU idle was about 36 - 38 C. After running for 30 minutes, my new GPU idle is 30 C. lolololol

I have to turn down the out take fan though...sounds like a damn jet engine
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