High Availability (active-active dual controller) Expansion TL-R1620Sdc

High-availability dual-controller, supporting SAS 12Gb/s storage expansion solution for high-capacity daisy chain connection – TL-R1620Sdc

  • With the PCIe SAS interface card, the dual-controller NAS storage space can be expanded flexibly and economically, adding PB-level huge storage space.

  • Mini-SAS dual-channel redundant design and dual redundant power protection ensure the stable operation of the system.

  • QNAP dual-controller NAS will automatically detect the connection status of the expansion device, and the disconnection protection mode can prevent data corruption.

  • Supports Broadcom® SAS DataBolt™ line bandwidth optimization, and combines every 2 sets of 6Gb/s transmission into a single 12Gb/s data stream to achieve the high-speed transmission performance of SAS 12Gb/s.

  • QNAP NAS can flexibly manage the connected TL-R1620Sdc storage space through the Storage Manager.

  • The short chassis design can be easily installed in most small media cabinets or cabinets with a large number of lines, and the space saved can be reserved for line configuration or heat dissipation.


QNAP NAS model Dual-controller NAS (equipped with QES operating system)
The highest quantity that can be connected to TL-R1620Sdc 7
A single storage pool supports the maximum number of RAID groups 128
Maximum storage pool capacity 1 PB
A single dual-controller NAS supports the maximum number of storage pools 128
Maximum capacity of flexible volume 1 PB
iSCSI LUN maximum capacity 1 PB



Number of hard drive slots 16 3.5-inch SAS 12Gb/s, SAS/SATA 6Gb/s

The hard disk is not included in the system shipment.
For a hard drive compatibility list, please visit https://www.qnap.com/compatibility/
Support hard disk type 3.5-inch slot:
3.5-inch SAS hard drive
2.5-inch SAS hard drive
2.5-inch SAS solid state drive
Hot plug support
Gigabit Ethernet port (RJ45) 1

For console access and CLI.
Form factor 3U rack mount
Host interface 3 x 12Gb/s SAS 3.0 wide ports (4-wide port) Mini-SAS HD (SFF-8644) for each controller
LED indicator HDD 1-16, Status, Power, Fan, Temperature, SAS connector status
Button Power, OLED
Dimensions (height x width x depth) 131.3 × 482.2 × 425.3 mm
Maximum number of supported hard drives/solid state drives 16
Hard Disk Type 3.5″ or 2.5″ SAS12Gb/s 6Gb/s drives
Operating temperature 0-40 °C (32°F-104°F)
Storage temperature -20-70°C (-4°F-158°F)
Relative humidity 5-95% RH (non-condensing), wet bulb: 27˚C (80.6˚F)
Power Supplier 550W (x2), 100-240V
fan 3 x 80mm, 12VDC
System alert buzzer
management Managed via NAS QES OS and JBOD Manager for Windows



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