Fan and AIO top radiator orientation - intake or exhaust?

orlandu22

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Nov 16, 2017
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So I am in the middle of a build where I selected the Fractal Meshify C for my case and a Fractal S24 AIO (240 mm) for cooling. My original plan was to try and see if I could fit the AIO into the front as intake, but unfortunately my GPU is slightly too long for it to fit, so I'm stuck putting it on top.

Question is, should I place it in intake or exhaust here? I worry about putting it on intake due to dumping heat into the case and going against normal thermal principles of exhausting to rear/top as well as grabbing dust from the top, but if I put it in exhaust, then I would only have one front fan pulling air in and 3 (2x radiator + 1 rear) exhausting, leading to negative air pressure and again more dust. That being said, I wouldn't be opposed to adding an additional case fan to the front for intake.

Thoughts?

Edit: Thanks, I'll add another front fan and give the exhausting a shot. I'm not sure if there's an easy option to install the fans in a pull configuration on the radiator but we'll see how it goes.
 


That's the way I got my Cryorig A40 set up... Fans on top of the radiator blowing up and out... radiator underneath, no obstruction of the cooling fins for easier cleaning as needed.