Front 240mm AIO Radiator as Exhaust?

[bxflow]

Hey, guys, I have the NZXT S340 Elite case. As you guys know, this case has a closed front so the intake is limited. My current set up is a 240mm front radiator as intake, 120mm back fan as exhaust and and a top 140mm as exhaust.

I was wondering if having the from 240 rad as exhaust and the top 140mm as intake and leaving the back as exhaust make any difference?

This is the current airflow set up:

This is what I'm asking if it would work:

As you can see I have water cooled GPU as well so the only thing that would need some air would be the motherboard and its VRM's but the top can provide it if placed as intake, no?

Just wondering if it would make any difference. But then again the front is very limited so the hot air would probably not dissipitate much?

 

[geofelt]

I think you would be much worse off.
The aio cooler needs a supply of fresh air to do its work.
Now you have the equivalent of two front 120mm fans bringing fresh air from the front to the radiator.

Your suggestion would limit the intake to the one 140mm fan at the top.
And... some of that will go straight out the back, never reaching the radiator.

Are your cpu and gpu temperatures excessive?
If so, consider making the radiator intake fans stronger(at the expense of more noise)

Of course, you have the wherewithal to experiment.

 

[bjornl]

You do not want "intake" across a radiator. You are then pumping heated air in to your case. The ambient temperatures will rise and everything will be unnecessarily warmer (including the stuff you are "cooling" with the water system. If you want the best cooling, move the radiator outside of your case. Otherwise set your other fans as intakes and the radiator as exhaust. And highly recommend you not block the radiator (in or out) with that door.

 

[USAFRet]

I was wondering if having the from 240 rad as exhaust and the top 140mm as intake and leaving the back as exhaust make any difference?

Your second pic looks like it would be worse than the first pic.