QNAP
QNAP TR-004 4-Bay USB-C Hardware RAID DAS (Diskless)
USB-C
Expand Your Storage Capabilities with Reliable Hardware RAIDThe QNAP TR-004 is a 4-bay USB Type-C Direct Attached Storage (DAS) unit that provides a flexible and efficient solution for expanding your storage capacity. With hardware RAID support, it offers robust data protection and performance op...
$219.00*
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*Price sourced from Amazon.com. Last updated:Aug 29, 2026.Price and availability are subject to change — details.
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Overview
Expand Your Storage Capabilities with Reliable Hardware RAID
The QNAP TR-004 is a 4-bay USB Type-C Direct Attached Storage (DAS) unit that provides a flexible and efficient solution for expanding your storage capacity. With hardware RAID support, it offers robust data protection and performance optimization. This diskless unit allows you to customize your storage with the drives of your choice, making it an ideal addition to your workstation or server setup. It offers cross platform file sharing, working with Windows, macOS and Linux operating systems.
- 4 x 3.5-inch SATA 3Gb/s (Diskless)
- Hardware RAID supports RAID 0, 1, 5, JBOD, and individual disks
- Includes a USB Type-C to Type-A connector cable
- Lockable drive Bays
Key Features
Direct-attached storage device via USB Type-C for Windows, macOS and Linux
Use the TR-004 as external storage for NAS backup
Expand the capacity of your QNAP NAS
4 x 3.5-inch SATA 3Gb/s (Diskless)
Hardware RAID supports RAID 0, 1, 5, JBOD, and individual disks
Includes a USB Type-C to Type-A connector cable
Lockable drive Bays. NOTE : The TR-004 does not support the following: the TS-128, TS-228, TS-131, TS-231, TS-431, TS-431U, and NAS models that cannot be updated to QTS 4.3.6 (or later). The TR-004 can only be used as an individual storage pool or volume on the NAS. Its storage pool/volume cannot be combined into the connected NAS. NAS applications cannot be installed on the TR-004. Drives can only be migrated from one TR-004 to another TR-004. The files and data stored on drives moved to/from a NAS (or another device) will not be recognized.
Specifications
Drive Bays
4
Drive Size Support
3.5-inch
Drive Interface
SATA 3Gb/s
Drives Included
Diskless
Connection Interface
USB Type-C
Operating System Compatibility
Windows, macOS, Linux
RAID Support
RAID 0, 1, 5, JBOD, Individual Disks
Cable Included
USB Type-C to Type-A connector cable
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View on Amazon →Frequently Asked Questions
What type of drives does the QNAP TR-004 support?
The QNAP TR-004 supports 4 x 3.5-inch SATA 3Gb/s drives, but these drives must be purchased separately as the unit is diskless.
Can this device be used to expand my QNAP NAS storage?
Yes, the TR-004 can be used to expand the capacity of your QNAP NAS, provided your NAS is not one of the unsupported models and is updated to QTS 4.3.6 or later.
What RAID levels are supported by the QNAP TR-004?
This hardware RAID DAS supports RAID 0, RAID 1, RAID 5, JBOD, and individual disks, offering flexible data redundancy and performance options.
Is the QNAP TR-004 compatible with my computer?
Yes, the TR-004 functions as a direct-attached storage device via USB Type-C and is compatible with Windows, macOS, and Linux operating systems.
Can I install applications on the TR-004 when connected to my NAS?
No, NAS applications cannot be installed on the TR-004; it is designed purely for storage expansion and cannot combine its storage pool with the connected NAS.
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