| Product Type | NAS Server |
| Model | TeraStation 5420DN |
| Manufacturer | BUFFALO TECHNOLOGY |
| Form Factor | Desktop |
| Installed Storage Capacity | 32 TB |
| Number of Installed Drives | 4 |
| Drive Capacity per Unit | 8 TB |
| Drive Bays | 4 |
| Supported Drive Form Factor | 3.5" |
| Drive Interface | SATA 6Gb/s |
| RAID Levels Supported | RAID 0, 1, 5, 6, 10, JBOD |
| Processor | Annapurna Labs Alpine AL-324 1.7GHz Quad-Core |
| RAM | 4 GB DDR4 ECC |
| Power Supply | Internal |
| Power Consumption (Max) | 65W |
| Power Source | AC 100–240V, 50/60Hz |
BUFFALO TeraStation 5420DN 32TB Desktop NAS Server

Key Benefits
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- Pre-installed 32TB storage reduces setup time and ensures out-of-the-box functionality
- 10GbE connection future-proofs performance for bandwidth-heavy workloads
- TAA compliance and Japanese origin enhance suitability for government and enterprise use
Product Overview
The BUFFALO TeraStation 5420DN is a high-capacity NAS solution built for small to medium-sized businesses requiring reliable and scalable storage. With 32TB of pre-installed capacity via four 8TB hard drives, it supports RAID configurations for data protection. Its 10GbE interface ensures high-speed data transfers, while support for iSCSI allows integration into server environments. Featuring TAA compliance and a space-saving desktop form factor, it's ideal for government or enterprise sectors needing efficient and secure storage infrastructure.
Specifications
Product Overview
Wireless Features
Compliance & Origin
| Country of Origin | Japan |
| TAA Compliant | Yes |
| RoHS Compliance | Yes |
| Certifications | VCCI, FCC, CE, KCC |
Advanced Security Features
| Encryption | AES 256-bit volume encryption |
| Security Protocols | HTTPS, SFTP, SMBv3.0 |
| Antivirus Compatibility | Supports third-party antivirus applications |
| Access Control | User & Group Permissions, IP Address Filtering |
| Event Notification | SNMP, Email Alerts, Syslog |
Interfaces
| LAN Ports | 1 x 10GbE, 1 x 1GbE |
| USB Ports | 2 x USB 3.2 Gen 1 Type-A |
| Ethernet Interface Types | 10 Gigabit Ethernet, Gigabit Ethernet |
| iSCSI Support | Yes |
| Data Transfer Rate | Up to 10 Gbps (with 10GbE) |
Physical & Environmental
| Dimensions (HxWxD) | 170 x 230 x 230 mm |
| Weight | 7.3 kg |
| Operating Temperature | 5°C to 35°C (41°F to 95°F) |
| Operating Humidity | 20% to 80% (non-condensing) |
| Cooling | 92mm Fan |
| Noise Level | 25 dB |
Cloud Management & Licensing
| Remote Management Support | Yes (via Buffalo NAS Navigator and Web GUI) |
| Cloud Services Integration | Amazon S3, Dropbox, Microsoft Azure |
| Backup Solutions | NovaStor NovaBACKUP (1 license included) |
| Replication Features | NAS-NAS Replication, Scheduled Sync |
| Active Directory Integration | Yes |
| User Management | Windows ACL Support, Local User Groups |