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

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

Drive Bay 3.5-inch SAS 12Gb/s, SAS/SATA 6Gb/s x16, Host Interface: 12Gb/s SAS 3.0 wide ports (4-wide port) Mini-SAS HD (SFF-8644) for each controller x3, Drive Compatibility 3.5-inch, 2.5-inch hard disk drives and solid state drives, Redundant Power Supply, Gigabit Ethernet Port x1, 5 Years Warranty


145,000.00 บาท (รวมภาษี)


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QNAP Expansion Units - 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.)

Failure-resistant with a dual-controller, dual-path design

Connect the TL-R1620Sdc to a dual-controller QNAP NAS and create a redundant cross loop configuration that provides expansion units with redundant paths to the base NAS and protection between JBOD connections. If one or more paths to the TL-R1620Sdc disconnect, other expansion units can still communicate with the base NAS. This is essential for intermachine data protection and capacity scalability for uninterrupted mission-critical enterprise tasks.

Learn More: QNAP’s ZFS-based dual-controller NAS

Connect up to 7 expansion units for petabyte-level storage capacity

The base NAS requires QES 2.1.1 (or later) and either Mini-SAS HD (SAS 12Gb/s SFF-8644), Mini-SAS (SAS 6Gb/s SFF-8088) ports or a PCIe-based SAS expansion card.

QNAP NAS Model Dual-controller NAS with QES operating system
Maximum number of the connected TL-R1620Sdc 7
Maximum number of RAID groups per storage pool 128
Maximum storage pool size 1 PB
Maximum number of storage pools per NAS system 128
Maximum capacity of flexible volume 1 PB
Maximum capacity of iSCSI LUN 1 PB

Highly efficient, reliable and scalable

The TL-R1620Sdc is powered by a low-power 28nm SAS35x28R SAS Expander and supports 12/6 Gb/s SAS/SATA drives. Both controllers have three Mini-SAS HD (SFF-8644) ports, and each SAS wide port combines four SAS 12Gb/s channels for up to 48Gbps bandwidth.

Dual controllers: JBOD HA protection

Supports SAS DataBolt™ technology, delivers 12Gb/s speed using existing 6Gb/s infrastructure

Featuring Broadcom® SAS DataBolt™ bandwidth optimization technology, the TL-R1620Sdc has an intelligent data buffer for transferring data to drives at speeds that match the performance of the host NAS. Whether the TL-R1620Sdc uses 12Gb/s or 6Gb/s drives, the NAS host will transfer data to the TL-R1620Sdc at 12Gb/s, allowing you benefit from high-speed 12Gb/s SAS transmission with existing 6Gb/s infrastructure.

Storage Management

Simply connect a TL-R1620Sdc to a dual-controller QNAP NAS and power it on. The NAS will detect the drives in the TL-R1620Sdc as newly-installed local drives. By using the Storage Manager app on the host NAS, you can configure and manage the TL-R1620Sdc’s storage space by setting RAID groups, storage pools and snapshots. The TL-R1620Sdc can also be configured as the storage volume of the host NAS, allowing you to easily expand NAS storage to accommodate massive data or backup files.

Leverage the 6Gbps SAS to SATA drive adapter to install 2.5-inch SATA SSDs

While SATA 6Gb/s SSDs provide high-performance yet affordable storage, the lack of dual-port support makes them unsuitable for dual-controller environments. The QDA-SA2 adapter allows the use of a SATA 6Gb/s drive in a 3.5-inch SAS drive bay - providing the ability to expand storage capacity by using cost-effective SATA drives. By installing a SATA drive with the QDA-SA2 into the dual-controller TL-R1620Sdc, the SATA drive can share these SAS dual-port advantages to ensure a high-availability, fault-tolerant enterprise storage environment.

Learn More: QDA-SA2 adapter

OLED display for system status

Short-depth design and redundant power supply. Can be installed in standard server racks or small AV cabinets

(3U, H 131.3 x W 482.2 x D 425.3 mm; H 5.2 x W 19 x D 16.7 inch)

Get the best SAS cables for your work environment


(Included in the package)





Standard 5-year warranty

The TL-R1620Sdc is backed by a 5-year warranty at no extra cost. This premier warranty demonstrates QNAP’s dedication to your essential business needs for continuous operations and non-interrupted services.

Learn More: QNAP warranty services


Hardware Specificaton


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) 1
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
Buttons 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 16
Hard Drive 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 Supply Unit 550W(x2), 100-240V
Power Consumption: Operating Mode, Typical 212.24 W
Tested with drives fully populated.
Fan 3 x 80mm, 12VDC
Sound Level 28.8 db(A)
System Warning Buzzer
Management Managed via NAS QES OS and JBOD Manager for Windows
Note: Use only QNAP memory modules to maintain system performance and stability. For NAS devices with more than one memory slot, use QNAP modules with identical specifications.
Warning: Using unsupported modules may degrade performance, cause errors, or prevent the operating system from starting.
* Sound Level Test
Environment: Refer to ISO 7779; Maximum HDD loaded; Bystander Position; Average data from 1 meter in front of operating NAS.
Product images are for illustrative purposes only and may differ from the actual product. Due to differences in monitors, colors of products may also appear different to those shown on the site.
Designs and specifications are subject to change without notice.


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