Product Type | Rackmount NAS |
Manufacturer | BUFFALO TECHNOLOGY |
Model | TeraStation 51220RH |
Part Number | TS51220RH6404 |
Form Factor | 2U Rackmount |
Drive Bays | 12 |
Installed Storage Capacity | 64TB |
Pre-installed Drives | 4 x 16TB Enterprise HDDs |
Expansion Drive Bays | 8 (empty) |
RAID Support | RAID 0/1/5/6/10/50/51/60/61/JBOD |
iSCSI Support | Yes |
Rail Kit | Included |
Power Supply | Redundant, hot-swappable |
Power Consumption (Max) | Approximately 200W |
UPC | 747464135397 |
BUFFALO TeraStation 51220RH 64TB 12-Bay Rackmount NAS




Key Benefits

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- Includes enterprise-grade 16TB HDDs and open bays for expansion, ensuring long-term scalability.
- Dual 10GbE interfaces provide high-bandwidth connectivity, ideal for data-heavy applications.
- TAA compliance and Japanese origin make it suitable for secure, government-grade deployments.
Product Overview
The BUFFALO TeraStation 51220RH 64TB NAS delivers enterprise-grade network-attached storage in a 2U rackmount form factor with 12 bays, including four pre-installed 16TB enterprise drives. Offering 64TB total capacity, it supports RAID and iSCSI protocols for efficient, secure data management. With dual 10GbE interfaces and TAA compliance, this solution is ideal for high-speed networks and government use. A rail kit is included for easy data center installation, and the remaining eight open bays provide room for future expansion.
Specifications
Product Overview
Physical & Environmental
Dimensions (H x W x D) | 87 x 430 x 630 mm |
Weight | Approximately 22 kg (fully populated) |
Operating Temperature | 5°C to 35°C |
Non-operating Temperature | -20°C to 60°C |
Operating Humidity | 20% to 80% (non-condensing) |
Non-operating Humidity | 10% to 90% (non-condensing) |
Cooling Fans | 3 x 80mm Redundant Fans |
Chassis Material | Metal |
Cloud Management & Licensing
Management Interface | Web-based GUI (HTML5), SNMP support |
Remote Management | Buffalo NAS Navigator |
Supported Protocols | SMB, NFS, AFP, FTP, SFTP, WebAccess |
Backup Features | rsync, Amazon S3, Microsoft Azure, USB backup |
Cloud Integration | Compatible with Dropbox, Azure, OneDrive |
Licensing Model | No subscription required for core features |
Interfaces
Ethernet Ports | 2 x 10GbE (SFP+), 2 x Gigabit Ethernet (RJ-45) |
USB Ports | 2 x USB 3.0 (Type-A, Rear) |
Data Transfer Rate | 10 Gigabit Ethernet |
Compliance & Origin
TAA Compliant | Yes |
Country of Origin | Japan |
Certifications | FCC Class A, CE, VCCI, RoHS |
Environmental Standards | RoHS, WEEE |
Advanced Security Features
Encryption | AES 256-bit Drive Encryption |
User Authentication | Active Directory Integration |
Access Permissions | User/Group level permission settings |
Network Security | Port Filtering, IP Address Filtering |
Secure File Access | HTTPS, SFTP |