Old thinxlients are great for this. I'm running my setup on a Fujitsu Futro. They can be had for <50 euros and you can buy an additional network card if you nee

Old thinxlients are great for this. I'm running my setup on a Fujitsu Futro. They can be had for <50 euros and you can buy an additional network card if you need more ports. They are quite energy efficient (~5W) and have enough grunt for a home system. Here is a post with some more details. https://forums.servethehome.com/index.php?threads/fujitsu-futro-s920-thin-client-as-opnsense-firewall.31087/ https://forums.servethehome.com/index.php?threads/fujitsu-fu...