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Push vs Push/Pull fans on Lower FPI Rads? - Page 4

post #31 of 32
Quote:
Originally Posted by PepeLapiu View Post

With all this flaming, not many of us addressed OP's concerns. So here I am.
Unless you get the very pricey Aquaero 6 fan controller, PWM fans are not a good idea on radiators. I'll elaborate more on this if you want at a later time.
I recommend Gentle Typhoon fans as the very best option for 120mm rads. And I know NOBODY will disagree on this. Maybe Cougar fans not a bad idea. And Yate Loon fans on.a budget. But Yates don't like being installed laying down.

The air flow design is undoubtedly the most important aspect of a good loop.
I see that you have both rads push air out. That is good. You should ALWAYS have all your rads exhausting, or all intaking.
However, in the proposed config, there will be negative pressure as was already mentionned. That's not good. You generally want slightly more air being pulled into your case, than air being pushed out.

Also, the rad fans can't indefinately push out case air, more air needs to be pulling in if you don't want to starve your rad fans of precious cool air.

So if you keep this air flow pattern, you will need quite a few more case fans intaking air. More than that one back fan, that's for sure. Can you install more fans in the floor? Or side panels maybe?

Or CM R4s if you're cheap, but if you want a quality fan yeah I could agree with that
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post #32 of 32
Quote:
Originally Posted by ZytheEKS View Post

Or CM R4s if you're cheap, but if you want a quality fan yeah I could agree with that
Agreed, CM R4s are great radiator fans if you're somewhat on a budget and want LEDs. If you're not on a budget, Typhoons are definitely the best choice. I actually have both in my system. The Typhoons are my push fans and the R4s are the pull fans for both of my 480mm radiators. I'm sure I'll get some hate for using different fans for push-pull, but the truth is as long as both fans have similar specs and run roughly around the same RPM, it doesn't make that much of a difference. And Martin has tested this as well.

A lot of people recommend having your rads as intake so they get the coolest air possible, but this also can create dust build up in the rads. And dust filters can only do so much. So what I've always done is have my radiators as exhaust with plenty of intake case fans to provide the rads with cool air, with dust filters. You'll still get dust in the case, but the build up in the rads won't be as bad
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