[neilv]

For other popular, affordable used short-depth 1U servers that you can get with 4 external 3.5" drive bays, there's the Dell R210 II, R220, and maybe R230.

Without getting into questions of possible security implications/perceptions of where servers are designed and manufactured... I do like the simplicity of some of the Supermicro options. I currently have a short-depth 1U Atom-based one, which runs passively-cooled except for the PSU fan, which I've replaced with a soldered-in practically silent Noctua. I intentionally got a mobo without a crazy BMC with IPMI, but I still don't assume the hardware is very trustworthy. It might still be more trustworthy than a popular consumer board.

(BTW, if you're looking at any quiet/cool-running server that uses an Intel Atom C2xxx or some other Atom models, make sure that either it isn't a lemon one, or it has a mitigation. [1][2]

[1] https://www.servethehome.com/intel-atom-c2000-avr54-bug-stri... [2] https://www.eevblog.com/forum/microcontrollers/intel-atom-c2...

[zmix]

ASRock also has some SFF server boards with IPMI and ECC, if I remember correctly, also with onboard CPU and fanless in some cases.

[neilv]

Thanks, that's good to keep in mind. ECC is great, though I personally don't want IPMI. (The only IPMI implementation I looked at so far appeared likely chock full of vulnerabilities, and it was sharing a NIC. There was a jumper that ostensibly disabled the BMC, but didn't appear to disable it fully.)