Power supply fan mounting position

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Commendable
Jul 17, 2017
24
0
1,510
Hey,

I am refurbishing a cooler master centurion 5 case. The power supply is top mounted, and what I was originally going to do was drill some holes in the top of the case, and mount the power supply fan up, so it would draw air in from the top and exhaust it out the back. But, after a bit of thinking, I realised that because I will also be drilling some more holes for a 120mm fan to go next to the power supply, to exhaust air out the top, that the power supply fan would just draw in the hot air from the exhausting fan, which wouldn't really cool it down. I could mount the power supply fan down, which could act as another exhaust technically, but that would still be using hot air. Which way should I mount the power supply fan?

Thanks

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Solution
PSU is probably the coolest component in whole PC, a bit of slightly higher (than ambient) case temperatures is not going to overheat it.

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