TERRAMASTER U8-423 2.5GbE NAS Rackmount 2U 8-Bay High Performance for SMB with N5095 Quad-core CPU, 4GB DDR4 Memory, 2.5GbE Port x 2, Network Storage Server (Diskless)
Description
The TerraMaster U8-423 is an 8-bay rackmount NAS server powered by an Intel Celeron processor and up to 32 GB RAM, designed for business-grade network storage. It supports multiple RAID levels, offers 2.5 GbE networking with link aggregation, and can host large HDD/SSD arrays for centralized file sharing, backups, and virtualization storage.
Specifications & Features
Processor & Memory
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Intel® Celeron® N5095 quad-core CPU, 2.0 GHz (burst up to 2.9 GHz)
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4 GB DDR4 non-ECC SODIMM installed (1×4 GB)
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2 RAM slots, expandable up to 32 GB DDR4
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Hardware encryption engine built in
Storage
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8 drive bays (hot-swappable)
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Supports 3.5″ SATA HDD, 2.5″ SATA HDD & 2.5″ SATA SSD
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Max internal raw capacity up to ~160 TB (20 TB × 8)
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1× M.2 2280 NVMe slot for SSD cache acceleration
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Internal file systems: Btrfs, EXT4
Networking & Ports
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2× 2.5 GbE RJ-45 network ports (Link Aggregation up to ~5 Gb)
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2× USB 3.1 ports (10 Gbps)
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1× HDMI 2.0 port
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1× COM port
RAID & Data Features
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Supports RAID: Single, JBOD, RAID 0/1/5/6/10
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Online capacity expansion and RAID migration
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SSD cache, hot spare, SMART monitoring
Software & Compatibility
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Supports SMB/AFP/NFS/FTP/SFTP/WebDAV file services
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Compatible with Windows, macOS & Linux clients
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Mobile support for iOS/Android devices
Physical & Power
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Rackmount 2U chassis: 88 × 440 × 384 mm
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Weight: ~14 kg
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Power supply: 250 W (non-redundant, optional redundant available)
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Power consumption: ~65 W active, ~28 W idle
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Operating temperature: 0 °C – 40 °C
Other
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Smart cooling fans with speed modes
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Certifications: FCC, CE, CCC, KC
Advantages
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🚀 High Throughput for SMB — Dual 2.5 GbE with link aggregation delivers strong performance for multi-user access.
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📊 Flexible Storage Configuration — RAID options and SSD caching help balance speed vs. redundancy.
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💾 Strong Data Protection — snapshots and multiple backup tools reduce the risk of data loss.
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🖥 Business-Ready Features — Supports virtualization (VMware vSphere/Hyper-V), shared storage, and app hosting.
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📈 Scalable Over Time — Expand memory, use larger drives, or add SSD cache to grow with needs.
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🛡 Robust File Management — Btrfs supports file-level recovery and protects data integrity.
Applications
1. Centralized File Storage & Sharing
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Store and organize business documents, media, and project files.
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Share files across teams and departments with controlled access.
2. Multi-User Collaboration
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Multiple users can access, edit, and sync files simultaneously.
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Ideal for workgroups, creative teams, and offices with shared storage needs.
3. Backup & Recovery
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Automated backups for PCs, laptops, and servers.
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Snapshot and restore features protect against accidental deletion or ransomware.
4. Cloud Sync & Remote Replication
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Sync data with public cloud services (Google Drive, Dropbox, OneDrive, etc.).
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Replicate data to another NAS for disaster recovery and business continuity.
5. Virtualization & iSCSI Storage
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iSCSI target support for virtualization platforms (VMware, Hyper-V, etc.).
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Storage backend for virtual machines and databases.
6. Media Server
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Host and stream video, audio, and photo libraries to devices on the network.
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Use with DLNA/UPnP and mobile streaming apps.
7. Web & Business Services
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Host lightweight servers (FTP, web, mail, VPN, database services).
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Suitable for small business infrastructure functions.
8. Surveillance Storage
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Store video footage from IP cameras (with supported surveillance software).
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Long-term archive for security systems.
9. Development & Testing Environment
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Host code repositories and test data.
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Use containers or lightweight applications for development workflows.
10. Remote Access & Mobile Sync
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Access your NAS data securely from outside the office.
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Sync files with mobile devices and remote offices.













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