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4-bay short-depth SATA JBOD expansion
QNAP TL-R400S 4-Bay 1U Short-Depth SATA JBOD Expansion Enclosure
The QNAP TL-R400S is a 1U short-depth rackmount JBOD with four hot-swappable SATA drive bays and one SFF-8088 host interface. The supplied product name lists a QXP-400eS-A1164 PCIe SATA host card and one SFF-8088 to SFF-8088 connection cable.

What is the QNAP TL-R400S?
It is a diskless four-bay multi-lane SATA enclosure for expanding or backing up compatible QNAP NAS, Windows and Ubuntu storage. Four SATA 6Gb/s channels provide up to 24Gb/s total bandwidth per connection cable.
Explore the DeviceDeal NAS Buying Guide
Review NAS types, storage planning and practical buying considerations before selecting your QNAP storage solution.
Key capabilities
The following points are organised from the supplied QNAP product information.
Multi-lane SATA
The connection carries four SATA 6Gb/s channels for up to 24Gb/s total bandwidth.
Direct drive paths
Each SATA lane connects directly to one installed drive, with SFF port 1 mapped to bays 14.
Included host hardware
The supplied product name lists a QXP-400eS-A1164 PCIe SATA host card and one SFF-8088 to SFF-8088 cable.
QNAP NAS management
Storage & Snapshots can configure RAID, monitor disks and use supported storage-pool and snapshot functions.
Windows and Ubuntu support
QNAP JBOD Manager provides enclosure, disk, fan and firmware information on supported systems.
Short-depth rackmount design
The 291.1mm chassis depth supports compact installations and the optional RAIL-S01 short rail kit.
Compatibility and deployment notes
- The enclosure is supplied without drives.
- QNAP NAS use requires QTS 4.4.2 or later, or QuTS hero.
- The enclosure must be configured as an independent storage pool or volume and cannot be combined with connected NAS storage.
- NAS applications cannot be installed on the enclosure.
- QXP series PCIe cards do not support Mac Pro.
- Non-Server versions of Windows have a 63TB limit for a single volume.
- Only one disk type, HDD or SSD, may be used within a RAID group.
Frequently asked questions
Does the QNAP TL-R400S include drives?
No. The enclosure is supplied without HDDs or SSDs.
Which drives does the TL-R400S support?
Its four 3.5-inch bays support 3.5-inch SATA 6Gb/s or 3Gb/s hard drives and 2.5-inch SATA 6Gb/s or 3Gb/s solid state drives. A RAID group must use one disk type.
How does the TL-R400S connect to a host?
It uses one SFF-8088 host interface with an SFF-8088 or SFF-8644 cable and a QXP PCIe card. Four SATA 6Gb/s channels provide up to 24Gb/s total bandwidth.
Which host platforms are listed?
The supplied information lists QTS or QuTS hero, Windows and Ubuntu. QNAP NAS use requires QTS 4.4.2 or later, or QuTS hero.
Can its storage be combined with the connected NAS pool?
No. It must be configured as an independent storage pool or volume, and NAS applications cannot be installed on it.
What warranty applies to the TL-R400S?
The TL-R400S is supplied with QNAP manufacturer warranty. Coverage is subject to QNAP's applicable warranty terms.
(TL-R400S)
Features and highlights
Key capabilities for the QNAP TL-R400S, based on the supplied product information.
Multi-lane SATA
The connection carries four SATA 6Gb/s channels for up to 24Gb/s total bandwidth.
Direct drive paths
Each SATA lane connects directly to one installed drive, with SFF port 1 mapped to bays 14.
Included host hardware
The supplied product name lists a QXP-400eS-A1164 PCIe SATA host card and one SFF-8088 to SFF-8088 cable.
QNAP NAS management
Storage & Snapshots can configure RAID, monitor disks and use supported storage-pool and snapshot functions.
Windows and Ubuntu support
QNAP JBOD Manager provides enclosure, disk, fan and firmware information on supported systems.
Short-depth rackmount design
The 291.1mm chassis depth supports compact installations and the optional RAIL-S01 short rail kit.
Technical specifications
Specifications are organised from the supplied QNAP product information.
| JBOD Connection Interface | SATA |
|---|---|
| Drive Bays | 4 × 3.5-inch The system is shipped without HDDs. |
| Drive Compatibility | 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 |
| Host Interface | 1 × SFF-8088 |
|---|---|
| Connection Cable | SFF-8088 or SFF-8644 Supports four SATA 6Gb/s channels per cable, 24Gb/s in total. |
| SFF Port and Drive Slot Order | SFF port 1 to HDD slots 14 |
| LED Indicators | HDD 14, status, link and fan error |
| Buttons | Power switch |
| Fan Mode Switch | Yes (Auto, high, medium, low) |
| System Warning | Buzzer |
| Kensington Security Slot | Yes |
| Form Factor | 1U short-depth rackmount |
|---|---|
| Dimensions (H × W × D) | 43.9 × 438.9 × 291.1mm Excludes the ear hook and protruding part of the power supply unit. |
| Net Weight | 4.92kg |
| Gross Weight | 5.77kg |
| Optional Rail Kit | RAIL-S01 short rail kit For deployment in a 19-inch rack following the ANSI/EIA-RS-310-D standard. |
| Power Supply Unit | 100W PSU, 100240V |
|---|---|
| Typical Operating Power Consumption | 25.07W Tested fully populated with Seagate ST6000NM0024 hard drives. |
| Fans | 2 × 40mm, 12VDC |
| 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) |
| QTS / QuTS hero | Yes QNAP NAS requires QTS 4.4.2 or later, or QuTS hero. |
|---|---|
| Windows | Yes |
| Ubuntu | Yes |
| Mac Pro | QXP series PCIe cards are not supported. |
| Standard Warranty | 3; unit not stated in the supplied data |
|---|
| Supplied host card | QXP-400eS-A1164 PCIe SATA host card, as stated in the product name |
|---|---|
| Supplied connection cable | 1 × SFF-8088 to SFF-8088 SAS/SATA 6Gb/s cable, as stated in the product name and description |
| NAS software requirement | QTS 4.4.2 or later, or QuTS hero |
| NAS storage limitation | Independent storage pool or volume only; cannot be combined with connected NAS storage |
| Application installation | NAS applications cannot be installed on the enclosure |
| Mac Pro support | QXP series PCIe cards are not supported |
| Windows volume limitation | Non-Server versions of Windows have a 63TB limit for a single volume |
| SKU | TL-R400S |
| Model # | TL-R400S |
| Barcode # | 885022018246 |
| Brand | QNAP |
| Shipping Weight | 6.0000kg |
| Shipping Width | 0.540m |
| Shipping Height | 0.180m |
| Shipping Length | 0.420m |
| Shipping Cubic | 0.040824000m3 |
QNAP manufacturer warranty
The QNAP TL-R400S is supplied with 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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