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Front radiator airflow direction

F

freinando

n00b
Joined
Apr 9, 2012
Messages
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Hi guys, currently I have a little dilemma with my build.

Im mounting an h110 radiator in push pull configuration in the front of my case because there is no other place to mount it.
It will be cooling a 4770k, which will run hot because of overclocking.
I have two 2 top 140mm fans and 1 rear 140mm fan.
I have two options:

1--Using the radiator as intake, which will take cool air from the outside (needed for this cpu running hot) , blow it hot into the case and use the top and rear fans as exhaust.

2--Using the rear and top fans as intake and radiator will be exhaust to the front of the case. (In this case cpu cooling wont be as effective due to the air coming through the radiator will have already picked up some heat from the other components).

Which one you rather have? Thank you
 
Last edited:
A few thoughts:

1. It's better to have positive air pressure (more intake) than negative air pressure (more exhaust)

2. Heat Rises - using the top of the case as intake is counterproductive in general

I'd use the front fans as intake because of this fact. It'll optimize airflow.
 
When you say

"I'd use the front fans as intake because of this fact. It'll optimize airflow."

You mean using the radiator as intake? Is it ok having hot air blowing into the case?
 
freinando said:
When you say

"I'd use the front fans as intake because of this fact. It'll optimize airflow."

You mean using the radiator as intake? Is it ok having hot air blowing into the case?
Click to expand...

Look, one way or another, you're going to be blowing hot air either into the CPU heat exchanger or into the GPU heat exhanger. 6 of one half a dozen of the other. Pick one, the setup that is simplest is to use the radiator in front as intake and exhaust out the top etc.

Try both and see what works best...but odds are that is the best setup you can get given your case.
 
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