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5 fans on 360mm radiator

post #1 of 5
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For my Corsair Carbide 540, I'm not sure I will be able to fit a 360 and 240 45mm radiators in push pull.

Would it be okay to put the 360mm radiator up front with three fans push and two pull, then have four fans push pull on the 240mm, and one fan just blowing air out of the case back? This way I will have effectively 5 fans in 5 fans out, but I am unsure if having an different number of fans on each side of one radiator would cause ill effects.
Edited by frunction - 3/6/14 at 1:09pm
post #2 of 5
Quote:
Originally Posted by frunction View Post

For my Corsair Carbide 540, I'm not sure I will be able to fit a 360 and 240 45mm radiators in push pull.

Would it be okay to put the 360mm radiator up front with three fans push and two pull, then have four fans push pull on the 240mm, and one fan just blowing air out of the case back? This way I will have effectively 5 fans in 5 fans out, but I am unsure if having an different number of fans on each side of one radiator would cause ill effects.

You should have no problems at all. Push/pull is generally used to add more pressure for the air flowing through the fins, so it is not necessary to cover all 6 fan spots on your 360mm rad. You could even do 2 push/1pull as long as the whole length of the radiator is being cooled by the fans.
    
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post #3 of 5
Yup this will work fine. If you had low enough heat generation technically you don't need any fans. But this is impractical because of how hot the cpu gets. But as long as you have fans somewhere either in push pull or both on the entire length you should be good thumb.gif
post #4 of 5
Push/pull adds pressure which adds turbulence to the air which increases efficiency which increasing cooling. Having 3 push and 2 pull just means that third spot doesn't get the increased efficiency, and slightly lower air intake in comparison to the other push/pull side. 'doesn't have any other impact so you should be fine. On a side note, assuming the rads are the 5 fans intaking you'll have negative pressure with that setup which means dust build up which means high maintenance which means annoying. Normally a radiator fan will move 1/3 the air of a case fan in a real world build, so you want 1 case fan to every 3 rad fans, or 1 case fan to every 6 rad fans if they're in push/pull. I'd drop a couple of those case fans so you have positive pressure if you want to reduce maintenance but that's just me.
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post #5 of 5
P/P adds between 10 and 30% to single fan performance...so if we sat 20% on average

you'd be at (120 + 120 + 100) / (100 + 100 + 100) or about 13% better than ya were with single fans instead of 20%
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