TerraMaster u4-500

TerraMaster U4‑500 4‑Bay Rackmount NAS Enclosure is a 1U rackmount NAS enclosure designed for small to medium-sized businesses, featuring high-performance hardware (Intel Core i3 CPU and 8 GB DDR5 RAM), four hot-swappable SATA bays plus two M.2 NVMe slots, dual 10 GbE networking, and flexible RAID options — ideal for fast, reliable centralized storage, backup, and data access in demanding environments.

Processor

• CPU: Intel Core i3-1215U (12th Gen, 6 cores, up to 4.4 GHz)

• Architecture: 64-bit x86

• Hardware Encryption: AES-NI acceleration

• Graphics: Intel UHD Graphics with 4K hardware transcoding support

Memory

• Installed RAM: 8 GB DDR5 non-ECC SODIMM

• Memory Slots: 2 (expandable)

• Max Supported Memory: Up to 64 GB DDR5

Storage

• Drive Bays: 4 × hot-swappable 3.5″ or 2.5″ SATA HDD/SSD

• M.2 Slots: 2 × M.2 2280 NVMe (for cache/acceleration)

• Max Internal Raw Storage: Up to ~96 TB (using 24 TB drives)

• Supported RAID: Single, JBOD, RAID 0/1/5/6/10, TRAID/TRAID+

Networking & I/O

• Network Ports: 2 × 10 GbE RJ45 (supports link aggregation)

• USB Ports:

  • 1 × USB-C

  • 3 × USB-A (USB 3.2 Gen 2)

• Video Output: HDMI 2.0

Performance

• Sequential Write: Up to ~2090 MB/s

• Random 4K R/W: Up to ~450 MB/s

Software & Protocols

• RAID & Drive Management: Multiple RAID types + TRAID flexibility

• Encryption: AES-NI hardware-based encryption

• iSCSI Support: Yes

• App Support: Managed via TNAS mobile app (Android & iOS)

Power & Physical

• Power Supply: 90 W PSU

• Power Consumption: ~40.2 W (typical)

• Dimensions: ~440 × 360 × 45 mm (1U rackmount)

• Weight: ~4.1 kg

• Cooling: 3 × 40 mm fans (~34.5 dBA)

Key Features

Storage & RAID Flexibility

• RAID Support: Multiple RAID modes include Single, JBOD, RAID 0/1/5/6/10, as well as TerraMaster’s TRAID/TRAID+ for flexible storage expansion and redundancy without downtime.

• Maximum Capacity: Supports large raw storage capacities — up to ~96 TB using four 24 TB drives. External USB expansion can extend capacity further in some setups.

Software & System Capabilities

• Operating System: Runs TerraMaster’s TOS (TerraMaster Operating System) with business-oriented features.

• Backup & Data Protection: Native support for the TerraMaster Business Backup Suite (BBS), including Centralized Backup, TerraSync, Duple Backup, Cloud Sync, and Snapshot capabilities.

• File Services: Cross-platform support — SMB, FTP/SFTP, iSCSI, NFS, WebDAV — plus directory services (Windows AD, LDAP).

• Virtualization & Apps: Built-in support for Docker, VirtualBox, multimedia servers (DLNA/uPnP), and compatibility with Plex/third-party tools.

• Security: Hardware-based AES-NI encryption and multi-level permissions enhance data protection.

Physical & Deployment

• Form Factor: 1U rackmount chassis (compact depth ≈ 360 mm / ~14.17″) suitable for rack cabinets, server rooms, or compact office setups.

• Silent Operation: Optimized cooling for continuous operation at moderate noise levels.

• Ideal Use Cases: SMB file sharing & backup, virtualization storage, multimedia production workflows, centralized data protection, and integrated network file services.

Advantages

Here are the main advantages of the TerraMaster U4-500 4-Bay Rackmount NAS Enclosure — why it’s a strong choice for businesses and demanding storage environments:

High-Performance Networking

• Dual 10 GbE ports with up to 20 Gbps aggregate bandwidth deliver very fast network transfer speeds — great for large file transfers, video editing, virtualization, and heavy multi-user access.

Strong Hardware

• Intel Core i3-1215U CPU and 8 GB DDR5 RAM provide robust processing power and smooth multitasking for demanding tasks and applications.

• M.2 NVMe slots can be used for cache acceleration, boosting performance and responsiveness.

Flexible & Expandable Storage

• Can house up to 96 TB raw storage with four drives and supports flexible RAID types (RAID 0/1/5/6/10 and TRAID/TRAID+) to balance performance and redundancy.

• USB 3.2 support lets you expand storage further with external DAS arrays.

Advanced Backup & Data Protection

• Includes support for TerraMaster Business Backup Suite (BBS) — comprehensive tools for centralized, cloud, and off-site backup (one-time purchase, no ongoing fees).

• Snapshot and disaster recovery features improve data protection and help with quick restores after accidental changes or ransomware events.

Enterprise-Ready Features

• Supports a wide range of file services (SMB, NFS, iSCSI, etc.) and integrates easily into business networks.

• Flexible RAID and filesystem options allow tailored setups for different business needs.

Versatile Use Cases

• Suitable for virtualization environments, media production storage, database applications, and enterprise file sharing.

Rackmount Form Factor

• Compact 1U design fits standard rack cabinets — ideal for server rooms and managed IT infrastructures without taking up much space

Summary

Pros

• Powerful Intel Core i3 CPU and DDR5 memory.

• High-speed dual 10GbE networking with link aggregation.

• Flexible RAID/TRAID configurations with caching support.

• Rich backup, file-service, and virtualization features.

Considerations

• Diskless (drives not included) — you must add your own HDDs/SSDs.

• Premium SMB pricing compared with simpler NAS boxes.