Skip to product information
1 of 17


TerraMaster U4-423 4bay Short Depth Rackmount 2.GbE NAS Built for Home Multimedia and Backup Center

Regular price $699.99 USD
Regular price $999.99 USD Sale price $699.99 USD
Sale Sold out
Shipping calculated at checkout.

Designed for SMB with High Performance Requirements

TerraMaster, a professional brand that focuses on providing innovative storage products for homes and businesses, has a new model of 4-bay U4-423 short depth rackmount NAS with dual 2.5GbE interfaces which provides a network bandwidth up to 5 Gb via link aggregation and up to 88TB storage space. TerraMaster U4-423 adopts 1U rackmount case with a depth of only 360mm (14.17 inches) weighs merely 3.2kgs, which is applicable to most 2-column cabinets and wall-mounted small cabinets with simple installation.

  • Powerful Hardware: Intel N5095 Quad-core 2.0GHz CPU, 4GB RAM DDR4 (expandable up to 32GB). Dual 2.5-Gigabit Ethernet ports - Supports up to 5 Gbps under Link Aggregation. Rackmount 1U 4-Bay NAS designed for SMB High Performance Requirements.
  • Maximum Internal Raw Capacity: 88TB (22 TB drive x 4). Compatible with 3.5" and 2.5" SATA HDD, 2.5" SATA SSD. Supports RAID 0/1/ 5/6/10, Supports online capacity expansion and online migration. The built-in M.2 2280 NVMeSSD slot can realize SSD cache acceleration and increase the storage efficiency of the disk array several times.
  • Multiple Backup Solutions: CentralizedBackup, DupleBackup, Snapshot, CloudSync, enhance the Safety of your Data with multiple backup applications
  • Easily build file storage servers, mail servers, web servers, FTP servers, MySQL databases, CRM systems, Node.js, and Java virtual machines, as well as a host of other commercial applications.
  • Small-sized compact design, can be used vertically and horizontally. Features an aluminum-alloy shell and intelligent temperature control ultra-quiet fan, good in heat dissipation and Very Quiet.


TerraMaster U4-423 Key Features :



Small in size and easy to deploy, occupying less space and energy 

Space-saving: TerraMaster U4-423 has a shorter chassis depth and takes up less rack space than traditional NAS, which is very useful for environments with limited space, such as home basements, small offices, computer rooms, etc.

Easy to deploy: Due to its small size and weight, TerraMaster U4-423 is easy to deploy and install in smaller racks or cabinets, and it can also be more convenient for maintenance and management, such as media production, security monitoring, etc.

Energy saving: Compared with large NAS devices, TerraMaster U4-423 has lower power consumption, which saves more energy and operating costs. 

High-speed multimedia storage and streaming media playback

Users can store multimedia files such as audio, video and pictures in TerraMaster U4-423, and use professional multimedia server software to stream these files to other devices through the 2.5GbE high-speed interface, such as smart TVs, game consoles, mobile phones, etc., to form a family multimedia center.