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A place for Modders to show off their PC mods that they have made or found online, discuss new mod ideas for their rigs and look for help getting their dream mod project off the ground.

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Seeking advice for GPU reshroud (alien.top)

submitted 11 months ago by bluedapper@alien.top to c/pcmods@hardware.watch

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I recently got my hands on an RX5600XT, and I'm thinking of using it as a base for swapping fans and reshrouding, kind of like a normal deshroud just without a ziptie and hopefully a bit better looking? Maybe.

So I took the card apart and the heatsink fins are 88mm wide and 235mm long. I'm a bit torn between using 92mm fans or 80mm fans. Would it be better to use a 92*276 with a lot of the airflow "leaking", or a 80*240 that doesn't fully cover the width of the heatsink?

I recall an old r/sffpc post about how most of the pressure and airflow is generated at the fan blade tips, but have never tested this myself. Also Arctic only makes P8s but not P9s, which means I would have to find an alternative 92mm fan.

Also, is it better to have the fans pressed flush against the heatsink, or have a bit of clearance (like 5 to 10mm)

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[–] ChalIengers@alien.top 1 points 11 months ago (1 children)

80*240 is 100% what you're going to want to use, and the person you referenced has some part of the answer correctly. The fans curvature dictates where the air will be flowing, so in short - the fans don't make the air flow in a straight line but rather in a controlled cone shape which is why the GPU heatsink is always wider

[–] bluedapper@alien.top 1 points 11 months ago

Neat, thank you!