ioSafe Duo, with opening tool, and Swiss Army Knife for size comparison.
Full review here.
Front of drive.
Front ports.
Rear of drive.
Changing RAID settings.
Mining for the drives.
Still mining for the drives.
The drives.
Extracting the drives.
Here they are.
4TB Seagate Barracuda Compute drives.
A peek inside the fireproof enclosure.