https://www.servethehome.com/introducing-project-tinyminimicro-home-lab-revolution/ Small foot print, low wattage, modern CPU can run anything I can try and throw at it just get a lot of ram. Id run Ubuntu or Debian all apps go in docker containers, maybe install cockpit if I wanted web gui. And run vms if I want via KVM https://ubuntu.com/blog/kvm-hyphervisor If you want to go nas Plex rute you can add a hd via 10g usb Great level1techs video about mini PC home server https://youtu.be/GmQdlLCw-5k?si=VrdfDRfmpNHCZz-H