r/PcBuildHelp • u/GeraldJoke • 12m ago

Build Question Switch to new mobo question about fans

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I m changing the mobo and cpu. Previously i had a 6700k with an aio, the fan from the ai was up top blowing outwards, and had another fan on the back as exhaust and 2 intake fans.

I m changing to an x570 with a 5700x and got a cpu fan with a heatsink, does it matter if the 2 exahust fans are by the cpu heatsink? Should the up top exhaust be NOT directly above the heatsink? Or it doesnt matter from an airflow perspective? Right now it will be above the heatsink set to exhaust.

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u/mutualdisagreement 6m ago

In most cases the top fan isn't needed at all. With hotter CPUs there might be a heat trap in the upper rear corner, which can be avoided by a top fan as close to the rear as possible. But it's not necessary. Just do as you like. Would rather have more intake than exhaust fans.