Product Type | Network Attached Storage (NAS) |
Model | TeraStation 3420RN |
Form Factor | 1U Rack-mountable |
Processor Type | ARM Cortex-A9 |
Processor Clock Speed | 1.4 GHz |
Number of Processors | 1 |
Installed RAM | 1 GB |
RAM Type | DDR3 |
Operating System | Linux |
Weight | 6.6 kg |
Power Requirements | 100-240V AC, 50/60Hz |
Power Supply Type | Internal |
BUFFALO TeraStation 3420RN 8TB 4-Bay 1U Rackmount NAS
Key Benefits

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- Delivers reliable 8TB of RAID-ready storage with ample scalability (2 open bays) and robust redundancy support
- Comes pre-racked with mounting rails, streamlining infrastructure deployment in enterprise environments
- Backed by a 3-year warranty and 24-hour HDD exchange for minimal downtime and peace of mind
Product Overview
The BUFFALO TeraStation 3420RN 8TB Rackmount NAS is a scalable network-attached storage solution ideally suited for small to medium business environments. Housed in a 1U rackmount chassis, it features two pre-installed 4TB SATA hard drives with support for up to four total bays and RAID configurations including JBOD, 0, 1, 5, 6, and 10. Built on a Linux operating system and powered by a 1.4 GHz processor with 1 GB DDR3 RAM, it balances workload efficiency with stability. High-speed Gigabit Ethernet and USB 3.0 interfaces offer robust connectivity options.
The included 19" rail kit ensures seamless rack integration, and TAA compliance and Japanese manufacturing origin make this an excellent deployment choice for enterprise and government settings. With a 3-year warranty and 24-hour HDD exchange program, Buffalo provides reliable lifecycle support that enhances confidence in mission-critical environments.
Specifications
Product Overview
Wireless Features
Compliance & Origin
Country of Origin | Japan |
TAA Compliant | Yes |
Certifications | FCC, CE, VCCI, RoHS |
Advanced Security Features
Drive Encryption | AES 256-bit |
User Authentication | Active Directory Support |
Access Control | User & group-level permissions |
Network Security Protocols | SSL, HTTPS, FTP over SSL (FTPS) |
Antivirus Support | Optional Trend Micro NAS Security (license required) |
Interfaces
LAN Ports | 2 x Gigabit Ethernet (RJ-45) |
USB Ports | 2 x USB 3.0 Type-A |
Data Link Protocols | Gigabit Ethernet |
Drive Interface Type | SATA 6 Gb/s |
RAID Levels Supported | JBOD, RAID 0, 1, 5, 6, 10 |
Physical & Environmental
Width | 430 mm |
Depth | 430 mm |
Height | 44.3 mm |
Rack Mountable | Yes |
Rack Units | 1U |
Humidity Range (Operating) | 10% - 85% (non-condensing) |
Temperature Range (Operating) | 5°C - 35°C |
Cloud Management & Licensing
Remote Management | Buffalo NAS Navigator management utility |
Cloud Backup Support | Amazon S3, Dropbox, Microsoft Azure |
Included Software | NovaBACKUP (11 licenses for Windows PCs) |
Management Interface | Web-based GUI, SNMP |