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 Post subject: another fan question
PostPosted: Tue Sep 14, 2004 6:29 pm 
Thunderbird
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what is good air flow from a fan for OCing? im not too concerned with noise so any suggestions would be helpful.


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 Post subject:
PostPosted: Tue Sep 14, 2004 8:27 pm 
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Location: back on the right side of the middle of the left side YES i'm folding
what a case fan or heatsink fan


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PostPosted: Tue Sep 14, 2004 8:40 pm 
Celeron
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you should actually want to improve on overall case cooling. that means good intake, and good exhaust.

it really depends on your application.


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PostPosted: Wed Sep 15, 2004 5:35 am 
Thunderbird
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I am trying to get better overall cooling and that’s why I’m asking what is a good airflow rating for fans.
I know to have more exhaust then intake, and try to have fans up front.


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PostPosted: Wed Sep 15, 2004 10:46 am 
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Higher CFM = better. But usually higher cfm also = more noise.
This fan does 119 cfm @ 56.4 dBA.

So it's really a matter of getting the most cfm for your tolerable noise level, and the size of fans you can use based on your case.

Ex: Your case has 4 spots for fans. Front-120mm, side-80mm, top-92mm, back-92mm. Assume your case is under your desk.
I'd use:
Front - 120mm IN - 80cfm / 30 dBA
Side - 80mm IN - 48cfm / 30 dBA
Back - 92mm OUT - 119cfm / 56.4dBA
Top - 92mm OUT - 58.5cfm / 33 dBA


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 Post subject:
PostPosted: Wed Sep 15, 2004 11:59 am 
Thunderbird
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if my back fan slots were 80mm would it be easy to mod holes for 92mm?


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PostPosted: Wed Sep 15, 2004 12:09 pm 
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filmbot wrote:
if my back fan slots were 80mm would it be easy to mod holes for 92mm?


Depends on the case.

I have used a 92mm fan in a space intended for an 80 by using some zip ties.


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 Post subject:
PostPosted: Wed Sep 15, 2004 12:27 pm 
Thunderbird
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there is no top fan on my case so should i still have the side blowing in or out?


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PostPosted: Wed Sep 15, 2004 5:18 pm 
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filmbot wrote:
there is no top fan on my case so should i still have the side blowing in or out?


I'd have a low cfm fan blowing in. You want to ensure you're getting enough cool air onto/near your GPU and CPU coolers.


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 Post subject:
PostPosted: Wed Sep 15, 2004 6:41 pm 
Thunderbird
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i figured something along those lines, but i was thinking about having too much air inside and not enough getting out. thanks for the input though


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