Key features

• •Compact Design for Seamless Deployment:The D4-320U hard drive enclosure (a DAS, NOT a NAS) redefines convenience with itsminiaturized 1U rackmount form factor. Measuring just 241mm (9.5 inches) indepth, 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. Its space-efficient design maximizes room utilization in data centers, storage closets,stairwells, or offices, making it an ideal choice for small businesses and SOHO users seeking centralized storage solutions.
• •High Speed: The D4-320U HDD enclosure adoptsUSB 3.2 Gen2 protocol for high-speed data transmission up to 10Gbps. With 4 hard drives installed, the read/write speed can reach up to 1,016MB/s (SATA III HDD 8TB x 4). With one hard disk installed, the read speed can reach 510MB/s (SATA III HDD 1TB SSD x 1).
• •Super-large Storage Space: The D4-320Udirect attached storage can support up to six 3.5" and 2.5" SATA HDD, as well as 2.5" SATA SSD, with a maximum capacity of 30TB per drive, providing users with up to 120TB (30TB x 4) of storage space. Note that the D4-320U does not support arrays and only works with individual disks.
• •Expandable NAS Integration: Optimized for TerraMaster NAS devices running TOS 5.1 or higher, the D4-320U external HDD enclosureconnects 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, Highly Compatible: The D4-320U USB storage is a plug-and-play device that doesn't require drivers to work. It is highly compatible with MAC, Windows, and Linux operating systems. It has a USB Type-C interface and comes with two USB cables (1 x USB type C-C cable, 1 x USB type A-C cable). The device is compatible with various computer interfaces, including USB 4.0, USB 3.2, USB 3.1, USB 3.0, Thunderbolt 5 , Thunderbolt 4, and Thunderbolt 3.