Old PC + Fedora (migrated from openSUSE, briefly to TrueNAS, and then to Fedora). Btrfs in RAID 1 + WireGuard access + a few containers and VMs. A bunch of WD Reds (some over 10 years old) and a couple of SSDs. Dual-port 10 GB NIC as my NAS is also acting as a router and one of my two "servers" (the other being an old Intel iMac). External backups to Backblaze. I likely forgot a gazillion things, but this is the gist of it.