Just wanted to confirm that this unit it working. Currently clearing 15 disks. It's not very fast, but would work well as a backup. Don't look for it to serve 4k HDR movies without some buffering.
EDIT: It also has multiple drives sizes installed, and both SAS and SATA. Just be sure that when you have SAS interposers, you use SAS drives, and with SATA you have to use SATA drives.