I had a major project to complete over some months, and now the drives are no longer needed.
Very expensive, enterprise rated, hard drives. Many are Thunderbolt 3 for modern Macs/PC's. One perk of Thunderbolt beyond speed is that they can be daisy chained.
36TB G-RAID Thunderbolt Enterprise (Raid 0/1) in Box
36TB G-RAID Thunderbolt Enterprise (Raid 0/1) in Box
24TB G-RAID Thunderbolt Enterprise (Raid 0/1) in Box