N...not quite...

I used to selfhost on a core 2 duo thinkpad R60i. It had a broken fan so I had to hide it into a storage room otherwise it would wake up people from sleep during the night making weird noises. It was pretty damn slow. Even opening proxmox UI in the remotely took time. KrISS feed worked pretty well tho.

I have since upgraded to... well, nothing. The fan is KO now and the laptop won't boot. It's a shame because not having access to radicale is making my life more difficult than it should be. I use CalDAV from disroot.org but it would be nice to share a calendar with my family too.

Me on a RPi4.

3x Intel NUC 6th gen i5 (2 cores) 32gb RAM. Proxmox cluster with ceph.

I just ignored the limitation and tried with a single sodim of 32gb once (out of a laptop) and it worked fine, but just backed to 2x16gb dimms since the limit was still 2core of CPU. Lol.

Running that cluster 7 or so years now since I bought them new.

I suggest only running off shit tier since three nodes gives redundancy and enough performance. I've run entire proof of concepts for clients off them. Dual domain controllers and FC Rd gateway broker session hosts fxlogic etc. Back when Ms only just bought that tech. Meanwhile my home "ARR" just plugs on in docker containers. Even my opnsense router is virtual running on them. Just get a proper managed switch and take in the internet onto a vlan into the guest vm on a separate virtual NIC.

Point is, it's still capable today.