Model: TR-004U-US
from $329
The QNAP TR-004U is a 4-bay USB 3.2 Gen 1 RAID expansion enclosure designed to provide additional storage capacity and data protection for your existing systems. This rack-mountable unit supports both 2.5" and 3.5" drives and offers multiple RAID configurations including 0, 1, 5, 10, and JBOD, with read speeds up to 239 MB/s and write speeds up to 225 MB/s in RAID 5. Featuring a USB-C 3.0 connection, a lockable bay door for security, and dual 40mm fans for cooling, the TR-004U is a practical solution for expanding storage and enhancing data redundancy.
Match interface to your drive type: SATA for HDDs/2.5" SSDs, NVMe for M. Available from $329.
Match interface to your drive type: SATA for HDDs/2.5" SSDs, NVMe for M.2 SSDs. Choose USB 3.2 Gen 2 (10Gbps) minimum, or Thunderbolt 3/4 for maximum speeds.
Drive enclosure hardware lasts 5–8 years. USB port and connector wear are the most common failure points. The enclosure typically outlives the drive it houses.
The QNAP TR-004U 4-Bay USB 3.2 Gen 1 Raid Expansion Enclosure is available at bhphoto, starting at $329.
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