| Product Type | Network Attached Storage (NAS) |
| Model | TeraStation WS5420RN |
| Form Factor | 1U Rackmount |
| Processor Manufacturer | Intel |
| Processor Type | Atom C3338 |
| Processor Clock Speed | 1.5 GHz |
| Number of Cores | Dual-Core |
| Cache Memory | 4 MB |
| Installed RAM | 8 GB ECC DDR4 |
| Operating System | Microsoft Windows Storage Server 2016 |
| Power Supply Type | Internal |
| Power Requirements | 100-240V AC, 50/60Hz |
| Included Accessories | Rackmount rail kit |
| Warranty | 3-year TeraStation VIP warranty |
BUFFALO TeraStation 5420RN NAS 64TB 1U Rackmount

Key Benefits
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- Pre-configured with NAS-grade drives and RAID for rapid deployment and increased data protection
- Offers high-performance connectivity and processing via 10GbE port and Intel Atom C3338 processor
- Backed by a 3-year VIP warranty and TAA compliance for enterprise and government use
Product Overview
The BUFFALO TECHNOLOGY TeraStation 5420RN is a 1U rackmount NAS engineered for demanding business environments. Featuring 64TB of total capacity via four pre-installed 16TB SATA III drives, it supports RAID configurations including RAID 0, 1, 5, and JBOD. With an Intel Atom C3338 dual-core 1.5GHz processor and 8GB ECC DDR4 RAM, it delivers solid multitasking and secure operations. Connectivity includes 1 x 10GbE and 2 x 1GbE RJ-45 ports alongside 3 x USB 3.0 interfaces. Preloaded with Windows Storage Server 2016, it integrates well into Windows-based infrastructures. Built in Japan with TAA compliance, this solution includes a VIP 3-year warranty and a rackmount rail kit, making it ideal for enterprise-grade deployments.
Specifications
Product Overview
Storage & Drive Configuration
| Total Storage Capacity | 64 TB |
| Drive Configuration | 4 x 16TB SATA III 6Gb/s |
| Number of Installed Drives | 4 |
| Number of Drive Bays | 4 |
| Supported RAID Levels | JBOD, RAID 0, RAID 1, RAID 5 |
| Drive Type | NAS-grade SATA HDD |
Compliance & Origin
| Country of Origin | Japan |
| TAA Compliant | Yes |
| Certifications | VCCI Class A, FCC Class A, CE |
Advanced Security Features
| Data Protection Features | RAID support, Scheduled backup, Failover system, Drive encryption |
| Access Control | User and group-level permissions, Active Directory Integration |
| Encrypted Data Transmission | SMB encryption, SSL/TLS support |
Interfaces
| 10GbE RJ-45 Ports | 1 |
| Gigabit Ethernet Ports | 2 |
| Total RJ-45 Ports | 3 |
| USB 3.0 Ports | 3 |
| USB Interface Type | USB 3.0 Type A |
| Network Interface Type | Gigabit Ethernet, 10 Gigabit Ethernet |
Physical & Environmental
| Dimensions (W x D x H) | 430 x 414 x 44.3 mm |
| Weight | 8.6 kg |
| Operating Temperature | 5°C to 35°C (41°F to 95°F) |
| Operating Humidity | 20% to 80% (non-condensing) |
| Cooling System | Internal fan |
| Mounting Type | Rackmountable |
Cloud Management & Licensing
| Preloaded OS Features | Windows Storage Server features including SMB/CIFS, Active Directory support, and user/group permissions |
| Software License | Windows Storage Server 2016 Standard pre-licensed |
| Management Interface | BUFFALO NAS Navigator, web-based admin GUI |