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TerraMaster U4-500 10GbE 4-Bay Enterprise-Class Rackmount NAS
2 Years
Compatible Hard Disks
NAS setup by remote access (First hour)
RAM - Upgrade
UPS Backup
U4-500
Intel® Core™ i3-1215U 6-Core 4.4GHz CPUHigh-Performance Backup Server
The U4-500 NAS is powered by an Intel® Core™ i3-1215U processor with 6 cores, 8 threads, and turbo frequencies up to 4.4 GHz, designed to deliver high performance and reliability in professional environments. It supports AES-NI hardware encryption, providing advanced data security and efficient processing for backups, file sharing, and business services. With DDR5 memory and high-speed network connectivity, the U4-500 ensures stable performance for small and medium-sized businesses. The two M.2 NVMe slots optimize storage with high-performance SSD caching, significantly enhancing overall system responsiveness.
High-Speed Connectivity for Intensive Workloads
The U4-500 NAS features dual 10GbE Ethernet ports, providing a total bandwidth of up to 20 Gbps. With SMB Multichannel support, it can handle fast and continuous data transfers, ideal for centralized backups, large file sharing, and virtualized environments. These features make it a reliable solution for technical offices, creative studios, and IT infrastructures that require high network performance and low latency.
Flexible Storage and Advanced Data Management
The U4-500 is a 1U 4-bay rackmount NAS, compatible with 3.5″ SATA HDDs, 2.5″ SATA HDDs, and 2.5″ SATA SSDs, offering a compact yet highly efficient storage solution. It supports multiple RAID configurations, including Single, RAID 0, RAID 1, RAID 5, and RAID 10, to suit different performance and data protection needs. It integrates TerraMaster’s TRAID / TRAID+ technology, enabling online capacity expansion, volume migration, and redundant disk setups. The system supports EXT4 and Btrfs file systems and allows further storage expansion through TerraMaster USB DAS expansion units.
Specifications
Processor & Memory
- Intel® Core™ i3‑1215U 6‑core / 8‑thread CPU, up to 4.4 GHz turbo frequency
- Intel UHD Graphics
- 8 GB DDR5 non‑ECC SODIMM (pre‑installed)
- 2 × DDR5 SODIMM slots, expandable up to 64 GB
Storage
- 4 × 3.5″ / 2.5″ SATA HDD/SSD drive bays (hot‑swappable)
- 2 × M.2 2280 NVMe SSD slots (PCIe 4.0 x4)
- Maximum internal raw storage capacity: up to ~96 TB (24 TB × 4)
Networking & Ports
- 2 × RJ‑45 10 GbE network ports (up to 20 Gbps aggregate)
- 3 × USB 3.2 Gen 2 Type‑A (10 Gbps)
- 1 × USB 3.2 Gen 2 Type‑C (10 Gbps)
- 1 × HDMI 2.0
RAID & Storage Management
- Supported RAID types: Single, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
- TRAID / TRAID+ flexible RAID support
- SSD cache support
- Hot spare supported
- RAID migration supported
File Systems & Services
- Internal: Btrfs, EXT4
- External: EXT3, EXT4, NTFS, FAT32, HFS+
- File protocols: SMB/AFP/NFS/FTP/SFTP/WebDAV
- Snapshot supported
Performance
- Sequential write speeds up to ~2090 MB/s
- 4K random read/write speeds up to ~450 MB/s
Physical & Power
- Dimensions (HxWxD): ~45 × 440 × 381 mm
- Net weight: ~4.1 kg; Gross weight: ~6.2 kg
- Power supply: 120 W
- Power consumption: ~40.2 W (active) / 18.9 W (standby)
Cooling & Noise
- 3 × system fans
- Noise level ~34.5 dB(A)
Environmental & Warranty
- Operating temperature: 0°C ~ 40°C
- Storage temperature: −20°C ~ 60°C
- Relative humidity: 5% ~ 95%
- Certification: FCC, CE, CCC, KC
- Limited warranty: 2 years
Accessories
TerraMaster TRK-U12 Rail-kit for 1U/2U Rackmount TNAS
Product available by pre-order only - Delivery time approx. 7-10 working days
