QNAP TR-004 4-Bay USB 3.2 Gen 1 RAID Expansion Enclosure, with 4x 8TB NAS HDD

USB 3.2 Gen 1 Type-C port for faster data transfer Supports up to four SATA drives for reliable read and write performance Disk mode DIP switch to change from Hardware Control and Software Control configurations for setting RAID group Lockable hard drive trays to prevent accidental drive removal Eject button for disconnecting the TR-004 from a NAS or computer (Requires the QNAP External RAID Manager utility) Instantly back up files from the TR-004 to the NAS using the One Touch Copy button