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New case airflow

tubabub

Member
Joined
Jun 24, 2008
Messages
11
Location
Quebec City
Hello all,

I have ordered a new case a couple of weeks ago and it should be arriving soon. The case comes with a 80mm rear exaust fan and im planning on strapping another 120mm to the front. My question is, would I be better off switching the 2 fans (having the 120mm do the rear exaust and the 80mm do the intake at the front). What would create the better airflow and grant the lowest temps?

Thank you for your replies!
 

enaberif

Well-known member
Joined
Dec 9, 2006
Messages
11,391
Location
Calgahree, AB
Hello all,

I have ordered a new case a couple of weeks ago and it should be arriving soon. The case comes with a 80mm rear exaust fan and im planning on strapping another 120mm to the front. My question is, would I be better off switching the 2 fans (having the 120mm do the rear exaust and the 80mm do the intake at the front). What would create the better airflow and grant the lowest temps?

Thank you for your replies!
Cases with 80mm fans are gonna suck regardless of fan configuration.

Should have invested in a case that only has 120mm fans.
 

FreqE1

Well-known member
Joined
May 2, 2008
Messages
333
Location
Cambridge
What case did you order? Someone hear may have the same case and be able to give you first hand advice on a fan configuration.

I'd suggest you ditch the 80mm and replace it with a 120mm and add another 120mm. Fans that come with cases usually aren't great fans and cheap 80mm are often load. generally a 120mm will move more air and do it with less noise.
 

DK2

Well-known member
Joined
Apr 17, 2008
Messages
813
Location
GTA
I'm a fan of more cooler air in, it'll get out regardless, but a 120 exhaust sure wouldn't hurt.

Look at it this way, in the summmer when you use a fan to stay cool, do you set it up to blow towards you or away.
 

DK2

Well-known member
Joined
Apr 17, 2008
Messages
813
Location
GTA
I vote balanced and lean towards the positive side.
That said, every case and installed components are different.
Say you had a small case and shoehorned a GTX 280 video card in it,
then I’d say more exhaust or negative because your going to have ALOT of heat that you’ll need to get rid of,
and a little bit of positive pressure just isn’t going to do it.
 

tubabub

Member
Joined
Jun 24, 2008
Messages
11
Location
Quebec City
The case I ordered is a Compucase 6C28B. It comes with a 80mm rear fan mounted to a 120mm to 80mm adapter. I'm actually wondering if it's better to have negative or positive pressure. Also, since the psu, cpu and the 80mm fans are all pushing air out of the case, wouldn't it be better for the 120mm to do the intake to make the airflow more balanced?
 

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