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TL-R1620Sdc, TLR1620Sdc, QN17850, TL-R1620SDC, TLR1620SDC

QNAP TL-R1620Sdc Dual-controller SAS 12Gb/s storage expansion for enterprises



Featuring dual controllers, an OLED indicator, and a short-depth rackmount design, the 3U 16-bay TL-R1620Sdc SAS 12Gb/s storage expansion enclosure is ideal for expanding the storage capacity of dual-controller QNAP NAS. Both controllers have three Mini-SAS HD (SFF-8644) ports, supporting 12Gbps SAS and Broadcom SAS DataBolt bandwidth optimization technology. The dual path mini-SAS design sustains continuous operations even if an external JBOD cable is disconnected. Up to 7 TL-R1620Sdc units can be daisy-chained via high-speed Mini-SAS HD cables, providing scalability and high reliability for mission-critical storage of file servers, virtualization, surveillance, medium-sized data center, multimedia, and more.

  • Flexibly and economically expand the storage space of a dual-controller QNAP NAS for petabyte-level storage capacity.
  • Dual path mini-SAS design with a redundant power supply for enhanced system reliability.
  • QNAP dual-controller NAS can detect JBOD connections, and enter missing mode protection to prevent data corruption.
  • DataBolt bandwidth optimization combines two 6Gb/s connections into one 12Gb/s data stream to achieve faster speed with existing 6Gb/s infrastructure.
  • Manage the storage space and settings of the connected TL-R1620Sdc with Storage Manager on the host NAS.
  • The space-efficient short depth design makes it easy to install in small media cabinets or places with a lot of cabling. (Rail kit RAIL-B02 requires optional purchase.)


Drive Bay

16 x 3.5-inch SAS 12Gb/s, SAS/SATA 6Gb/s

The system is shipped without HDD.

For the HDD compatibility list, please visit

Drive Compatibility

3.5-inch bays:

3.5-inch SAS hard disk drives

2.5-inch SAS hard disk drives

2.5-inch SAS solid state drives



Gigabit Ethernet Port (RJ45)


For console access and CLI.

Form Factor

3U Rackmount

Host Interface

3 x 12Gb/s SAS 3.0 wide ports (4-wide port) Mini-SAS HD (SFF-8644) for each controller

LED Indicators

HDD 1-16, Status, Power, Fan, Temperature, SAS connector status


Power, OLED

Dimensions (HxWxD)

131.3 482.2 425.3 mm

Weight (Net)

12.26 kg

Weight (Gross)

18.04 kg

Max. number of HDDs/SSDs supported


Hard Drive Type

3.5" or 2.5" SAS12Gb/s 6Gb/s drives

Operating temperature

0 - 40 C (32F - 104F)

Storage Temperature

-20 - 70C (-4F - 158F)

Relative Humidity

5-95% RH non-condensing, wet bulb: 27C (80.6F)

Power Supply Unit

550W(x2), 100-240V

Power Consumption: Operating Mode, Typical

212.24 W

Tested with drives fully populated.


3 x 80mm, 12VDC

Sound Level

28.8 db(A)

System Warning



Managed via NAS QES OS and JBOD Manager for Windows

No additional files, specification sheets, guides or documentation found for product.

Warranty: 12 Month Return To Base

Full manufacturers warranty details are available at the manufacturers web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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