NEWSROOM

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 a 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. 

Automated Backups Made Easy

With TerraMaster’s TPC Backupper for Windows, users can schedule incremental or differential backups of folders and partitions to the D4-320U or a TerraMaster NAS.