Reliable Storage w/ Effortless Setup: RAID 1 pre-configured for out-of-the-box protection to save you time and effort.
4-bay
BUFFALO TeraStation 3420DN 4-Bay Desktop NAS 4TB (2x2TB) with HDD NAS Hard Drives Included 2.5GBE / Computer Network Attached Storage / Private Cloud / NAS Storage/ Network Storage / File Server
Professional Grade Network Attached Storage: Optimized to organize, store, share, and back up your important files.
OWC Mercury Elite Pro Quad RAID Ready (JBOD) 4-Bay Storage Enclosure
Works with all USB systems, Thunderbolt 3 compatible