Veritas 5U84 Expansion Storage Shelf - Hard drive array - 280 TB - 82 bays (SAS-3) - HDD 4 TB x 82 - SAS 12Gb/s (external) - 31828-M4219

Veritas 5U84 Expansion Storage Shelf - Hard drive array - 280 TB - 82 bays (SAS-3) - HDD 4 TB x 82 - SAS 12Gb/s (external) - rack-mountable - 5U - government - for Access 3350 - with 5 years Verified Essential Support + Install Service

Each storage shelf includes 2 drawers with 42 disk drive slots each for a total of 84 slots. The slot numbers start at the front, left of the drawer. Slot numbers end in the last row at the right rear of the drawer.