QNAP TL-R1620Sep-RP - Hard drive array - 16 bays (SATA-600 / SAS-3) - SAS 12Gb/s (external) - rack-mountable - 3U

The TL-R1620Sep-RP SAS 12Gb/s storage expansion enclosure is designed for expanding the storage space of your QTS or QuTS hero NAS. Up to sixteen expansion enclosures can be daisy-chained via high-speed mini SAS HD cables to support up to 4.6PB raw capacity, ideal for archiving/backing up virtualization applications, surveillance recordings, large data, or multimedia. Featuring Broadcom SAS DataBolt bandwidth optimization technology, the TL-R1620Sep-RP consolidates 6Gb/s infrastructure into 12Gb/s. When connected to a QTS/QuTS hero NAS that supports multipath routing, the TL-R1620Sep-RP can achieve smoother data transmission and continuous system operation.