TerraMaster Launches D4-320U Ultra-Short 4-Bay Rackmount USB3.2 10Gbps Expansion Enclosure, Enabling Easy Expansion for NAS and Servers
Saturday, March 29, 2025
SHENZHEN, China, March 21, 2025 /PRNewswire/ -- TerraMaster, a trusted leader in innovative storage solutions, proudly introduces the D4-320U, a compact 1U 4-bay direct-attached storage (DAS) enclosure designed for small offices, home users, and IT environments. Combining space-saving rackmount design, massive 88TB storage capacity, and lightning-fast 10Gbps USB 3.2 Gen2 performance, the D4-320U delivers unmatched versatility and efficiency for modern data demands.
D4-320U Key Features
Compact Design for Seamless Deployment
The D4-320U redefines convenience with its miniaturized 1U rackmount form factor. Measuring just 241mm (9.49 inches) in depth, 50% shorter than traditional chassis and weighing 3.2kg, this sleek enclosure fits effortlessly into standard server racks without the need for rails, simplifying installation.
Massive 88TB Storage Capacity
With support for up to four drives, the D4-320U offers a staggering maximum capacity of 88TB. Operating in single-disk mode by default, users can leverage third-party software RAID tools to create arrays, catering to extensive storage needs from media libraries to enterprise backups.
High-Speed Data Transfer at 10Gbps
Equipped with the USB 3.2 Gen2 protocol, the D4-320U achieves a blazing 10Gbps bandwidth. When paired with four 8TB WD Red HDDs, it delivers read/write speeds of up to 1,016MB/s. Even with a single 1TB WD Red SSD, users can enjoy read speeds of 510MB/s.
Expandable NAS Integration
Optimized for TerraMaster NAS devices running TOS 5.1 or higher, the D4-320U connects via USB to expand storage pools and create arrays through the robust TOS system. This feature makes it a powerful companion for users looking to scale their NAS capacity with ease.
Plug-and-Play Simplicity
The D4-320U offers true driver-free, plug-and-play functionality, seamlessly supporting macOS, Windows, Linux, Ubuntu, TrueNAS, Unraid, and more. Compatible with USB protocols, it connects effortlessly to PCs, TVs, servers, and set-top boxes.
Automated Backups Made Easy
With TerraMaster's TPC Backupper for Windows (8/8.1/10/11), users can schedule incremental or differential backups of folders and partitions to the D4-320U or a TerraMaster NAS.
More TerraMaster Storage Devices
The D5-310 5bay RAID storage device was released at the same time, forming a "enterprise + personal" dual product line layout with the D4-320U. Users can now purchase new products through TerraMaster Official Mall and authorized channels, and enjoy 2-year warranty service.
More information, please visit: https://www.terra-master.com/us/products/homesoho-das/d4-320u.html.
Follow TerraMaster on social media:
Facebook: https://www.facebook.com/terramasterofficial
Twitter: https://twitter.com/TerraMasters
LinkedIn: https://www.linkedin.com/company/terra-master/
YouTube: https://www.youtube.com/@TerraMasterGlobal
Contact:
Yuki Shi
+86 755 81798272
392082@email4pr.com
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SOURCE TerraMaster
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