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16-bay SAS 12Gb/s rackmount expansion
QNAP TL-R1620Sep-RP 16-Bay 3U SAS Storage Expansion Enclosure
The QNAP TL-R1620Sep-RP is a short-depth 3U, sixteen-bay SAS 12Gb/s storage expansion enclosure for compatible QTS and QuTS hero NAS systems. It supports multipath routing, JBOD cascading, four Mini-SAS HD ports and dual 550W power supplies.

What is the QNAP TL-R1620Sep-RP?
It is a diskless enterprise SAS JBOD expansion enclosure managed by a compatible QNAP NAS through QTS or QuTS hero. The supplied content states support for up to sixteen daisy-chained enclosures and up to 4.6PB raw capacity.
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Key capabilities
The following points are organised from the supplied QNAP product information.
SAS expansion
Four 12Gb/s SAS 3.0 Mini-SAS HD SFF-8644 wide ports support host connections and cascading.
Multipath operation
Supported multipath routing helps maintain smoother data transmission and continuous system operation.
High stated bandwidth
The supplied content states up to 192Gbps to one host and up to 96Gb/s using two-wide-port link aggregation.
Daisy-chain capacity
Up to sixteen expansion enclosures can be daisy-chained for up to 4.6PB raw capacity.
Host-based management
QTS or QuTS hero provides S.M.A.R.T. information, enclosure location, smart fan control and in-band SAS firmware updates.
Short-depth rackmount design
The 3U chassis supports optional RAIL-S01 installation in a compatible 19-inch rack.
Compatibility and deployment notes
- The enclosure is supplied without hard drives.
- The host NAS requires QTS 4.5.1 or QuTS hero h4.5.1 or later, plus built-in SAS ports or a compatible QXP PCIe SAS expansion card.
- Only one disk type, HDD or SSD, may be used within a RAID group.
- Non-Server versions of Windows have a 63TB limit for a single volume.
- The optional RAIL-S01 short rail kit is not included.
- The supplied data states a five-year standard warranty.
Frequently asked questions
Does the QNAP TL-R1620Sep-RP include drives?
No. The enclosure is supplied without HDDs.
Which drives are supported?
The bays support 3.5-inch SAS 12Gb/s or 6Gb/s HDDs, 3.5-inch SATA 6Gb/s or 3Gb/s HDDs and 2.5-inch SATA 6Gb/s or 3Gb/s SSDs. A RAID group must use one disk type.
What host system is required?
A compatible QNAP NAS running QTS 4.5.1 or QuTS hero h4.5.1 or later is required, with built-in SAS ports or a compatible QXP PCIe SAS expansion card.
Does the TL-R1620Sep-RP support multipath routing?
Yes. The supplied information states that multipath routing supports smoother data transmission and continuous operation with a compatible NAS.
What expansion capacity is stated?
The supplied content states that up to sixteen enclosures can be daisy-chained for up to 4.6PB raw capacity.
What warranty applies to the TL-R1620Sep-RP?
The supplied data lists a five-year QNAP manufacturer warranty.
(TL-R1620Sep-RP)
Features and highlights
Key capabilities for the QNAP TL-R1620Sep-RP, based on the supplied product information.
SAS expansion
Four 12Gb/s SAS 3.0 Mini-SAS HD SFF-8644 wide ports support host connections and cascading.
Multipath operation
Supported multipath routing helps maintain smoother data transmission and continuous system operation.
High stated bandwidth
The supplied content states up to 192Gbps to one host and up to 96Gb/s using two-wide-port link aggregation.
Daisy-chain capacity
Up to sixteen expansion enclosures can be daisy-chained for up to 4.6PB raw capacity.
Host-based management
QTS or QuTS hero provides S.M.A.R.T. information, enclosure location, smart fan control and in-band SAS firmware updates.
Short-depth rackmount design
The 3U chassis supports optional RAIL-S01 installation in a compatible 19-inch rack.
Technical specifications
Specifications are organised from the supplied QNAP product information.
| JBOD Connection Interface | SAS |
|---|---|
| Drive Bays | 16 × 3.5-inch The system is shipped without HDDs. |
| Drive Compatibility | 3.5-inch bays: 3.5-inch SAS 12Gb/s, 6Gb/s hard disk drives 3.5-inch SATA 6Gb/s, 3Gb/s hard disk drives 2.5-inch SATA 6Gb/s, 3Gb/s solid state drives Only one disk type, HDD or SSD, can be used in a RAID group. Combining different disk types in one RAID group is not supported. |
| Hot-Swappable | Yes |
| Supports JBOD Cascading | Yes |
| Supports Expanding NAS Storage Pools | Yes |
| Supports Multi-path | Yes |
| Host Interface | 4 × 12Gb/s SAS 3.0 wide ports (4-wide port), Mini-SAS HD (SFF-8644) |
|---|---|
| LED Indicators | Front panel: HDD 116, Power, Status, Link, Fan error Rear panel: SAS connector, Enclosure ID |
| Buttons | Power |
| QTS / QuTS hero | Yes |
|---|---|
| Windows | Yes |
| Management | Managed via QNAP QTS / QuTS hero OS Supports disk S.M.A.R.T. information RAID expansion enclosure identifier Locate RAID expansion enclosures Locate hard disks on RAID expansion enclosure Smart fan control by detecting system and hard drive temperature In-band SAS firmware update |
| Form Factor | 3U short-depth rackmount |
|---|---|
| Dimensions (H × W × D) | 131.3 × 482.2 × 425.3mm Excludes ear hook and the protruding part of the power supply unit. |
| Weight (Net) | 11.48kg |
| Weight (Gross) | 16.8kg |
| Power Supply Unit | 550W × 2, 100240V |
|---|---|
| Power Consumption: Operating Mode, Typical | 207.13W Tested with drives fully populated. |
| Fan | 3 × 80mm, 12VDC |
| System Warning | Buzzer |
| Operating Temperature | 040°C (32104°F) |
|---|---|
| Storage Temperature | -2070°C (-4158°F) |
| Relative Humidity | 595% RH non-condensing, wet bulb: 27°C (80.6°F) |
| Standard Warranty | 5 years |
|---|
| Maximum stated transfer speed to one host | Up to 192Gbps using four SAS wide ports |
|---|---|
| Maximum stated link-aggregation speed | Up to 96Gb/s using two SAS wide ports |
| Maximum stated daisy-chain quantity | Up to 16 expansion enclosures |
| Maximum stated raw capacity | Up to 4.6PB |
| Host software requirement | QTS 4.5.1 or QuTS hero h4.5.1 or later |
| Host connectivity requirement | Built-in SAS ports or a compatible QXP PCIe SAS storage expansion card |
| Optional rail kit | RAIL-S01 for a compatible 19-inch rack |
| Windows volume limitation | Non-Server versions of Windows have a 63TB limit for a single volume |
| SKU | TL-R1620Sep-RP |
| Model # | TL-R1620Sep-RP |
| Barcode # | 4713213518588 |
| Brand | QNAP |
| Shipping Weight | 11.5000kg |
| Shipping Width | 0.480m |
| Shipping Height | 0.430m |
| Shipping Length | 0.130m |
5-year QNAP manufacturer warranty
The QNAP TL-R1620Sep-RP is supplied with a 5-year QNAP manufacturer warranty.
Warranty coverage, eligibility and claim assessment are subject to QNAP's applicable warranty terms. Please retain your DeviceDeal tax invoice as proof of purchase.
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