| Product Type | Network Attached Storage (NAS) |
| Model | TeraStation 5820DN |
| Manufacturer | Buffalo Technology |
| Form Factor | Desktop |
| Total Installed Storage Capacity | 160 TB |
| Number of Drives | 8 |
| Drive Capacity | 20 TB |
| Drive Type | HDD (3.5-inch SATA) |
| RAID Support | RAID 0/1/5/6/10/JBOD |
| Hot-Swap Drive Bays | Yes |
| Processor | Annapurna Labs Alpine AL314 1.7 GHz Quad-Core |
| Installed RAM | 8 GB DDR3 ECC |
| Power Supply | Internal AC 100–240V, 50/60Hz |
| Power Consumption | Max 100W |
| UPC | 747464135960 |
BUFFALO TERASTATION 5820DN NAS 160TB Desktop NAS

Key Benefits
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- High storage capacity (160TB) makes it ideal for enterprise-scale data management.
- 10GbE connectivity ensures fast data transfers, reducing access latency in demanding workflows.
- TAA compliance and Japanese manufacturing make it a trusted choice for government and secure organizations.
Product Overview
The BUFFALO TERASTATION 5820DN NAS 160TB is a professional-grade desktop NAS with eight 20TB hard drives, delivering a massive 160TB total capacity. It supports 10 Gigabit Ethernet for high-speed data access and is equipped with RAID and iSCSI features for data protection and virtualization compatibility. This TAA-compliant device is perfect for government and secure enterprise applications. Made in Japan, it offers quality and performance ideal for demanding storage environments.
Specifications
Product Overview
Cloud Management & Licensing
| Remote Management | Buffalo NAS Navigator, Web Console |
| Cloud Integration | Buffalo Cloud, Dropbox, Amazon S3 |
| License Included | No additional license required for basic use |
Physical & Environmental
| Dimensions (W x D x H) | 300 x 230 x 215 mm |
| Weight | 13 kg (28.7 lbs) |
| Operating Temperature | 5°C to 35°C (41°F to 95°F) |
| Operating Humidity | 20% to 80% (non-condensing) |
| Noise Level | 35 dB |
| Cooling | Redundant Cooling Fans |
Interfaces
| Ethernet Ports | 2 x 10GbE (SFP+), 2 x 1GbE (RJ-45) |
| USB Ports | 2 x USB 3.0 (rear), 2 x USB 2.0 (front) |
| Data Link Protocols | 10 Gigabit Ethernet, Gigabit Ethernet |
| iSCSI Support | Yes |
Advanced Security Features
| Access Control | Active Directory integration, user and group permissions |
| Encryption | 256-bit AES Drive Encryption |
| Antivirus Integration | Trend Micro NAS Security (optional license) |
| Network Security | SSL, HTTPS, FTP over SSL |
| Firewall | Included Network-level protection with IP blocking |
Compliance & Origin
| Country of Origin | Japan |
| TAA Compliant | Yes |
| Certifications | FCC, VCCI, RoHS |
| Green Compliance | Yes, RoHS Compliant |