Synology DS 1515+ 5 bay nas.
New unit, removed from box, booted with 2 drives to verify functionality.
4 gig nic's, 4 USB 3.0 and 2 eSATA ports.
You can run Dockers, Active Directory, DNS, VPN and many other packages available free from Synology.
More from Synology website at https://www.synology.com/en-us/products/DS1515+
This unit was won in a raffle but I already have two Synology boxes, one backing up my unRaid server via rclone
Current pricing from Amazon or NewEgg is $699.
$550.00 firm + actual shipping