QNAP TR-004U 4-Bay HDD/SSD Enclosure, 2.5/3.5″, USB-C 3.2 Gen 1, RAID 0/1/5/10/JBOD, 1U Rackmount, Black/Grey
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About this item
- Four-bay enclosure supports 2.5- and 3.5-inch drives
- USB Type-C connectivity with USB 3.2 Gen 1
- RAID 0, 1, 5, 10 and JBOD configurations
- 1U rackmount design for NAS or computer expansion
- Hot-swap support for drive replacement
- 6 Gbit/s data transfer rate
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QNAP TR-004U – Four-bay storage expansion
The QNAP TR-004U suits QNAP NAS owners and computer users who need additional drive capacity. Its four bays and flexible RAID options make it useful for expanding storage or managing a separate collection of files.
Key specs at a glance
| Metric | Specification |
|---|---|
| Drive bays | 4 |
| Supported drive sizes | 2.5-inch and 3.5-inch |
| Drive interface | Serial ATA II |
| RAID modes | RAID 0, 1, 5, 10 and JBOD |
| Host connection | USB 3.2 Gen 1 Type-C |
| Rack capacity | 1U |
Choose a RAID mode to suit your data
The enclosure supports RAID 0, 1, 5, 10 and JBOD, as well as individual disk mode. RAID 0 spreads data across drives for performance, but does not protect against drive failure. JBOD combines drives into one volume without data protection.
RAID 1 or 10 keeps a copy of data and uses half the total capacity. RAID 5 requires at least three drives and can protect against one drive failing. Choose the mode that best suits your balance of capacity and protection.
You can set hardware RAID with the enclosure’s DIP switches. Alternatively, manage RAID settings through a QNAP NAS or the QNAP External RAID Manager utility on a computer.
Connect it to a NAS or computer
Use the TR-004U to expand storage on a compatible QNAP NAS, or connect it directly to a computer or server as a DAS device. Its USB 3.2 Gen 1 Type-C connection provides the link to the host. The supplied cable connects USB Type-A to Type-C.
Hot-swap support lets you replace drives without shutting down the enclosure. Two fans help cool the installed drives, while LED indicators show drive and enclosure status.
Fit your rack and drive setup
This enclosure takes up 1U of rack space and measures 439 mm wide, 291 mm deep and 44 mm high. It supports 2.5-inch and 3.5-inch Serial ATA II drives, so check your drive type before building your storage setup.
In the box
- AC adapter and AC cable
- USB Type-A to USB Type-C cable
- Screws, two keys and manual
Before you order
- Confirm your drives are 2.5-inch or 3.5-inch Serial ATA II models.
- Check that your rack has 1U of available space.
- Confirm your intended host is a QNAP NAS, computer or server with a suitable USB connection.
- Check that your selected RAID mode suits your capacity and data protection needs.
Frequently Asked Questions
Q: Can I connect the TR-004U directly to a computer?
A: Yes. Connect it by USB to use it as a direct-attached storage device.
Q: How many drives do I need for RAID 5?
A: RAID 5 requires at least three drives.
Q: Can I replace a drive while the enclosure is running?
A: Yes. The TR-004U supports hot-swapping drives.
Q: What is the warranty period?
A: The warranty period is three years.
A practical choice for expandable storage
We recommend the QNAP TR-004U for users who want four drive bays, flexible RAID choices and a 1U rackmount design. Its three-year warranty adds reassurance for a storage expansion used at home or work.
| Storage | |
|---|---|
| Number of storage drives supported | 4 |
| Storage drive size | 2.5/3.5" |
| Supported storage drive interfaces | Serial ATA II |
| RAID levels | 0, 1, 5, 10, JBOD |
| Hot-swap | Yes |
| Ports & interfaces | |
| USB version | 3.2 Gen 1 (3.1 Gen 1) |
| USB connectivity | Yes |
| USB connector type | USB Type-C |
| USB connector gender | Female |
| USB ports quantity | 1 |
| Technical details | |
| Rack mounting | Yes |
| Rack capacity | 1U |
| RAID levels | 0, 1, 5, 10, JBOD |
| Number of fans | 2 fans |
| LED indicators | Yes |
| Hot-swap | Yes |
| Host interface | 1 x Type-C USB 3.2 Gen 1 |
| Fan diameter | 4 cm |
| Data transfer rate | 6 Gbit/s |
| Product colour | Black, Grey |
| USB version | 3.2 Gen 1 (3.1 Gen 1) |
| Harmonized System (HS) code | 84733080 |
| Warranty period | 3 years |
| Design | |
| Product type | HDD/SSD enclosure |
| Key lock | Yes |
| Rack mounting | Yes |
| Rack capacity | 1U |
| Number of fans | 2 fans |
| LED indicators | Yes |
| Fan diameter | 4 cm |
| Product colour | Black, Grey |
| Performance | |
| Supported file systems | HFS+, NTFS, exFAT, ext3, ext4 |
| Data transfer rate | 6 Gbit/s |
| Power | |
| Power source type | AC |
| AC adapter input voltage | 100 - 240 V |
| AC adapter input current | 3.5 A |
| AC adapter frequency | 50 - 60 Hz |
| Packaging data | |
| Package weight | 5.62 kg |
| Package width | 542 mm |
| Package depth | 415 mm |
| Package height | 179 mm |
| Operational conditions | |
| Storage temperature | -20 - 70 °C |
| Operating temperature | 0 - 40 °C |
| Operating relative humidity | 5 - 95% |
| Weight & dimensions | |
| Weight | 4.77 kg |
| Width | 439 mm |
| Depth | 291 mm |
| Height | 44 mm |
| Package weight | 5.62 kg |
| Package width | 542 mm |
| Package depth | 415 mm |
| Package height | 179 mm |
| Packaging content | |
| Screws included | Yes |
| Manual | Yes |
| AC adapter included | Yes |
| Package type | Box |
| Number of keys included | 2 pcs |
| Cables included | AC, USB Type-A to USB Type-C |
| Other features | |
| Host interface | 1 x Type-C USB 3.2 Gen 1 |
| Logistics data | |
| Harmonized System (HS) code | 84733080 |
| Identifiers | |
| Additional EANs | 0885022017706 |
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