Product Type | Network Attached Storage (NAS) |
Model | TeraStation 5820DN |
Form Factor | Desktop |
Total Storage Capacity | 120 TB |
Installed Drive Capacity | 16 TB |
Number of Installed Drives | 8 |
Drive Bays | 8 x 3.5" SATA |
RAID Support | RAID 0, 1, 5, 6, 10, JBOD |
Hot-Swap Drive Support | Yes |
Processor | Intel Atom C3338 Dual-Core 1.5 GHz (burst up to 2.2 GHz) |
System Memory (RAM) | 8 GB DDR4 ECC |
Number of Total USB Ports | 4 |
Power Supply | Internal 250W AC 100-240V, 50/60Hz |
BUFFALO TeraStation 5820DN 120TB Desktop NAS (TS5820DN12808)





Key Benefits

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- Factory-configured with 120TB of storage, eliminating deployment delays
- Optimized with 10GbE connectivity for modern high-throughput workloads
- Meets TAA compliance for use in regulated government or institutional environments
Product Overview
The BUFFALO TeraStation 5820DN NAS delivers 120TB of storage via eight 16TB drives, optimized for business environments. Designed in a compact desktop form factor, it supports 10 Gigabit Ethernet connectivity for high-speed data access. This unit is TAA compliant and manufactured in Japan, meeting rigorous quality standards. RAID support and iSCSI functionality enable flexible and secure deployment within demanding IT workflows. While further system details are not available, the included features make this model a viable solution for enterprise storage and data management needs.
Specifications
Product Overview
Cloud Management & Licensing
Management Interface | Web-based GUI |
SNMP Support | Yes |
Third-Party Cloud Support | Yes (compatible with Dropbox, Amazon S3, and others) |
Replication & Backup | Scheduled and real-time replication, NovaBACKUP Buffalo Edition (includes 10 licenses) |
Physical & Environmental
Dimensions (WxDxH) | 300 x 230 x 215 mm (11.8 x 9.1 x 8.5 in) |
Weight | 10.5 kg (23.1 lbs) |
Operating Temperature | 5°C to 35°C (41°F to 95°F) |
Operating Humidity | 20% to 80% (non-condensing) |
Cooling | Internal fan (thermally regulated) |
Noise Level | Approx. 35 dB |
Interfaces
Ethernet Ports | 2 x 10GbE (RJ-45), 2 x 1GbE (RJ-45) |
USB 3.0 Ports | 2 x USB 3.0 |
USB 2.0 Ports | 2 x USB 2.0 |
iSCSI Support | Yes |
Data Transfer Rate | 10 Gbps (10Gigabit Ethernet) |
Advanced Security Features
Encryption Support | AES 256-bit Volume Encryption |
Access Control | Active Directory integration, User/Group level permissions |
Antivirus | Antivirus integration via add-on |
Secure File Sharing | Yes |
FTP/FTPS Server | Yes |
Firewall Protection | Yes (configurable network services) |
Compliance & Origin
Country of Origin | Japan |
TAA Compliant | Yes |
RoHS Compliance | Yes |
Certifications | FCC, VCCI, RCM, CE |
Warranty | 3-Year Limited Warranty with 24/7 North America-based Support |