Price: $349.99 - $899.99
(as of Sep 24,2025 14:33:10 UTC – Details)

TerraMaster’s focus has been on digital storage products. In line with the evolving technological landscape, TerraMaster has developed a distinctive product line, which includes both direct and network attached storage devices.
Powerful 12th Gen Processor: The U4-500 1U 4Bay NAS server is equipped with a Core i3-1215U processor (6 cores, 8 threads, up to 4.4GHz turbo) for business-grade performance.
Next-Gen DDR5 Memory: The U4-500 NAS storage possesses an 8GB DDR5 RAM, ensuring smooth multitasking and efficient handling of demanding workloads.
NVMe Accelerated Performance: The U4-500 NAS has dual M.2 NVMe slots with Hyper Cache technology dramatically boost storage efficiency, delivering faster backups and data access – ideal for performance-driven SMBs.
Advanced Hardware Acceleration: Features Intel UHD Graphics (1.1GHz) with AES-NI hardware encryption for secure, accelerated data processing.
Dual 10GbE Network Connectivity: The U4-500 NAS enclosure features dual 10GbE ports with 20Gbps aggregate bandwidth and SMB multichannel support for ultra-fast transfers.
Enterprise-Class Storage Performance: This 1U rack mount backup server delivers 2090MB/s sequential writes and 450MB/s 4K random IOPS – ideal for 4K video production and virtualization.
Flexible RAID Configurations: The 4-bay NAS supports RAID 0/1/5/6/10, TRAID, and TRAID+ for online capacity expansion without downtime.
High-Density Storage Capacity: The 4-bay 1U rack design supports up to 96TB (4×24TB HDDs) with hybrid SSD/HDD support for tiered storage.
Professional File System Options: Choose between EXT4 for stability or Btrfs for advanced data protection with snapshots and checksums.
Comprehensive Backup Suite: Includes TERRAMASTER BBS with Centralized Backup for data consolidation, TerraSync for server and PC synchronization, Duple Backup for off-site recovery, CloudSync for cloud recovery, and Snapshot for ransomware protection.