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Airflow questions *picture*

post #1 of 20
Thread Starter 
338

simple questions regarding airflow

1. front fans 2x 120m 2000 rpm 69 cfm or 1x 200m fan 700 rpm 110 cfm?
2. top fans SAME QUESTION "2x 120m 2000 rpm 69 cfm or 1x 200m fan 700 rpm 110 cfm?"
3. Do the top fans blow INTO the case or OUT of the case?


any other airflow comments questions or guides appreciated
Edited by Itsonme - 3/2/12 at 10:05pm
post #2 of 20
have the tops fans BOTH exhaust.
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post #3 of 20
more air coming in than out.
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post #4 of 20
Thread Starter 
Quote:
Originally Posted by Phenomanator53 View Post

have the tops fans BOTH exhaust.

i kinda figured that's what i've seen on google but i still need to know which fans to install
post #5 of 20
Do you want it to be quiet or loud? If quiet, then use bigger fans, if you don't mind go ahead and use 120mm's.
    
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post #6 of 20
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Quote:
Originally Posted by Sathirian View Post

Do you want it to be quiet or loud? If quiet, then use bigger fans, if you don't mind go ahead and use 120mm's.

same Db noise either way
post #7 of 20
I would use the 200mm fans instead. Covers more surface area when cooling.
As for the top, you can use intake or exhaust, whichever you see gives you the best temps all around.

my HAF X, top is intake 2x 200mm, as I got the best performance that way.
    
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post #8 of 20
Quote:
Originally Posted by Itsonme View Post

1. front fans 2x 200m 200 rpm 69 cfm or 1x 200m fan 700 rpm 110 cfm?

that would be a neat trick if you somehow mounted 2 x 200mm fans in a HAF 912 smile.gif i think you mean 2 x 120mm? if that's the case, you aren't going to get 69 CFM out of them spinning at only 200RPM.
post #9 of 20
Thread Starter 
Quote:
Originally Posted by psyclum View Post

that would be a neat trick if you somehow mounted 2 x 200mm fans in a HAF 912 smile.gif i think you mean 2 x 120mm? if that's the case, you aren't going to get 69 CFM out of them spinning at only 200RPM.

yeah sorry 2x 120, mistyped everything i meant 2x 120mm fans at 2000
post #10 of 20
You have more options with 120mm fans, if you don't mind spending a bit more on fans ($15-25 each) then you can get some quiet 120s that push a lot of air.
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