In this setup, yes, there is enough space (a few mm above the fan to bring in some air). Although if you get a different case / rack, I don't know what the dimensions would be.
The limiting factor for me wasn't really airflow, but RAM. 1GB RAM per node doesn't seem to be enough to run a H/S cluster, unfortunately. I would say 4GB minimum is probably the way to go.
I have the cloudlet case as well but Raspberry PI4 8Gb :) Was more worried that the fan on the hat would not have any real air to make up for a true airflow given the space.
Was now also looking at a minimal PoE hat from loveRPI but there I also read reviews about some people having burned their PIs :)
Having bought 8 PI4s would not like to create a camp fire out of them :)
I don't know how how the 8GB ones would run (pretty hot, I imagine). The case is a little snug, as you know. If I were doing anything serious with that 8GB, I definitely wouldn't shove 8 Pis in that case. Maybe 4? And leave every other slot open? You'll probably want additional fans either way. Good luck!
:) let's see how my experiment goes.
The loveRPI PoE hat is quite compact and I will add some radiators on the components of the PI.
Then the fans of the case should have enough space for the air flow.
The original PoE hat is too size limiting and I think you're right with the air flow regarding it.
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In this setup, yes, there is enough space (a few mm above the fan to bring in some air). Although if you get a different case / rack, I don't know what the dimensions would be.
The limiting factor for me wasn't really airflow, but RAM. 1GB RAM per node doesn't seem to be enough to run a H/S cluster, unfortunately. I would say 4GB minimum is probably the way to go.
I have the cloudlet case as well but Raspberry PI4 8Gb :) Was more worried that the fan on the hat would not have any real air to make up for a true airflow given the space.
Was now also looking at a minimal PoE hat from loveRPI but there I also read reviews about some people having burned their PIs :)
Having bought 8 PI4s would not like to create a camp fire out of them :)
I don't know how how the 8GB ones would run (pretty hot, I imagine). The case is a little snug, as you know. If I were doing anything serious with that 8GB, I definitely wouldn't shove 8 Pis in that case. Maybe 4? And leave every other slot open? You'll probably want additional fans either way. Good luck!
:) let's see how my experiment goes.
The loveRPI PoE hat is quite compact and I will add some radiators on the components of the PI.
Then the fans of the case should have enough space for the air flow.
The original PoE hat is too size limiting and I think you're right with the air flow regarding it.