Intel Celeron J4025 2-core 2.0 GHz, burst up to 2.9 GHz
No HDD
2 GB RAM (can be upgraded to 10GB)
2 X Ethernet 1 Gbps
 
More than enough for transcoding 4K Media with Plex and running a bunch of docker containers.

Original boxes/manuals.

Asking $550 plus $20 courier or pick-up in Auckland.

I also have two Seagate IronWolf 8TB NAS HDD for $200 each.