@jeder something from Radxa or Odroid - if low-power x86 boards from Odroid would be good enough with their power requirements, you could also take a look at thin clients like Dell Wyse 3040
@mikoto my dad is very, uhm, watt-oriented to say the least, every watt used means device is shit and not worthy of running 24/7, and I don't have a space for mini pc