It’s a Supermicro 5018D-FN8T running OPNsense. Xeon D-1518 CPU, 16 GB of RAM (which, again, is overkill, even when running a couple of VPN links, the Caddy reverse proxy, and the Zenarmor firewall software), 240 GB SSD (also gross overkill).
It appears that it does.
I like OPNsense better; others have other preferences. There’s a thread here, linking to another thread on the old forum, discussing differences between the two: