I'm looking to get a server that I can run Ubuntu on, with the primary purpose of running the SPARK Pro toolset. I want lots of cores (≥12) and lots of RAM (≥24 GB), but I don't need much disk space, basically just whatever's required to install bare Ubuntu, the SPARK Pro toolchain, and the source code I want to do my proof/implementation work on. I definitely don't need a monitor, as I'm planning on SSH'ing into the server using VS Code. When I put in my requirements for NewEgg (I also want it to be relatively inexpensive: I limited it to $750), I got nothing but blade servers.
Focusing primarily on this HP Proliant DL360P (though I'm not committed to that particular option), I was wondering if it'd be possible to put this into some other form factor other than a rack. E.g., for not too much more money to get a box I could house it in.
Note (in response to @Wasabi in a now deleted post at the Engineering Stack Exchange): I don't know if I need a case, but I'm assuming I'd want something to reduce dust getting into places it shouldn't. I could be wrong. If someone knowledgable tells me I don't, using the "bare metal casing" counts as "some other form factor" for the purposes of my question. "Have you considered this really small, cheap rack?" also counts. I'm just looking for a reasonable solution to having a machine that suits my needs located in my home office, so frame challenges are welcome.
Edit to add: I'm also willing to do some custom modifications to hardware (e.g., add RAM) after the fact.