this post was submitted on 22 Sep 2023
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If I could find a internal server fan smaller then 20x20mm. I'd stick one next to my 1U CPU Cooler. But for some reason I can't find one. Needs to be smaller then 20x20 because it would sit on top of the motherboard in a closed 1U server rack frame.
You can use a larger fan and a shroud to redirect the air flow, similar to how laptops are cooled.
I'd like to keep the cooling internal, I just have it sitting on a shelve next too other desktops k3s nodes.
I just meant you can have an internal fan that's larger than your heatsink, and a shroud to direct the airflow to it. It requires less vertical space, but more horizontal space.
Oh yeah that makes sense, the board does come with a shroud, my fans just don't have the power to push air through it well.