Product Type | Network Attached Storage (NAS) |
Form Factor | Desktop |
Processor | Alpine AL-214 |
Processor Clock Speed | 1.4 GHz |
Number of Processor Cores | 4 |
Installed RAM | 1 GB DDR3 |
Power Requirements | AC 100-240V, 50/60Hz |
Power Supply | Internal |
Included Drives | 2 × 4TB NAS-grade SATA drives |
Maximum Supported Storage | 64 TB (with 4 × 16TB drives) |
BUFFALO TeraStation 3420DN 8TB 4-Bay Desktop NAS
Key Benefits

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- Pre-configured with RAID and pre-tested NAS-grade drives, streamlining setup and ensuring reliability.
- Includes 2 empty bays for scalability—expandable storage that grows with your business needs.
- Backed by a robust 3-year warranty and 24/7 North American-based support, enhancing long-term value.
Product Overview
The BUFFALO TeraStation 3420DN 8TB 4-Bay NAS is a desktop-class storage solution designed for SMBs that demand scalable and reliable network storage. Pre-equipped with two 4TB NAS-grade SATA drives, it supports RAID 0, 1, 5, 6, and 10 configurations and 2.5GbE for high-performance networking. Powered by a 1.4 GHz Alpine processor and 1GB RAM, it provides dependable performance. Four drive bays (with two open) allow for future expansion. With USB 3.0 ports, Gigabit Ethernet connectivity, and TAA compliance, it’s a compliant and compact solution. A 3-year warranty and 24/7 North American support ensure product longevity and user confidence.
Specifications
Product Overview
Wireless Features
Wi-Fi Support |
Compliance & Origin
Country of Origin | Japan |
TAA Compliant | Yes |
Certifications | VCCI, FCC, CE, RoHS |
Warranty | 3-Year with 24/7 North American Support |
Advanced Security Features
User and Group Management | Yes, local and domain support |
Drive Encryption | 256-bit AES Encryption |
Access Control | Active Directory and LDAP integration |
Antivirus Integration | Supports third-party antivirus via NAS interface |
Secure File Transfer Protocols | FTP over SSL/TLS, SFTP |
Interfaces
Ethernet Ports | 1 × RJ-45 2.5GbE |
USB 3.0 Ports | 2 × USB 3.0 Type-A |
Drive Interface | SATA 6 Gb/s |
RAID Support | JBOD, RAID 0, 1, 5, 6, 10 |
Network Protocols Supported | SMB, AFP, FTP/SFTP, NFS, HTTP/HTTPS, SNMP |
Physical & Environmental
Width | 9.1 in (230 mm) |
Depth | 6.7 in (170 mm) |
Height | 8.5 in (216 mm) |
Weight | 5.3 kg (11.7 lbs) |
Operating Temperature | 5°C to 35°C (41°F to 95°F) |
Non-Operating Temperature | -20°C to 60°C |
Operating Humidity | 20% to 80% (non-condensing) |
Cooling | Internal fan with automatic speed control |
Chassis Expansion Bays | 4 Total (2 Free) |
Cloud Management & Licensing
Remote Management Interface | Buffalo NAS Navigator and Web-based GUI |
Cloud Backup Support | Amazon S3, Dropbox, Azure |
Active Directory Support | Yes |
License Included | No additional licenses required for NAS usage |