Hi there,
Just to say I successfully use FreeNAS on Thecus n5550.
Only 'problem' is that I cant use the LCD display. Maybe it's usable.
Very compact 5 bays NAS with 3.5" drives you can still buy today.
Enough power for Freenas with Atom D2550 dual core.
Since I use jails I upgraded the ram to 8...