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.
Have you had a look at PCI exhaust fans and cable ties as cheaper version of this https://akasa.co.uk/update.php?tpl=product/product.detail.tpl&model=AK-CC7401BP01
The board doesn't come with any extra on it. There is one used but it doesn't boot without that card. Not really sure what it does. It's a Dell Poweredge R410 Server: looks like this: https://i.ebayimg.com/images/g/er4AAOSwNDVfyTuN/s-l1600.jpg
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.
There are centrifugal fans that are quite flat but they intake airflow from a different axis they exhaust it from. Could still work
Hmm I've gotta look into that, It's Dell Poweredge R410 Server: looks like this: https://i.ebayimg.com/images/g/er4AAOSwNDVfyTuN/s-l1600.jpg.
It would need to fit inbetween two heat sinks pretty snug.