Product Type | Network Attached Storage (NAS) |
Form Factor | 2U Rackmount |
Pre-installed Storage Capacity | 32 TB |
Drive Bays | 12 |
Installed Drives | 4 x 8TB Enterprise HDD |
Expandable Drive Bays | 8 |
Drive Form Factor Supported | 3.5-inch |
Supported RAID Levels | RAID 0, 1, 5, 6, 10, 51, 60, JBOD |
Power Supply Type | Internal |
Redundant Power Supply | Yes |
Power Requirements | AC 100-240V, 50/60Hz |
Power Consumption (Max) | Approx. 150W |
Cooling Type | Active (fans) |
BUFFALO TeraStation 51220RH 32TB 12-Bay NAS Rackmount




Key Benefits

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AI-Powered Summaries from Online Customer Reviews
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- - Offers significant scalability with 8 vacant drive bays, allowing custom expansion without replacing existing hardware
- - Enterprise-grade reliability with RAID support and Japanese manufacturing origin ensures robust performance and longevity
- - TAA compliance makes it suitable for use in government and regulated industries
Product Overview
The BUFFALO TeraStation 51220RH is a high-performance 2U rackmount NAS designed for enterprise-grade storage. With 32TB capacity via 4x8TB enterprise drives and 8 open bays, it supports flexible expansion and advanced RAID/iSCSI configurations. Dual 10GbE ports support high-speed throughput ideal for large file workflows. The unit is TAA-compliant and made in Japan, and includes a rail kit for rack deployment.
Specifications
Product Overview
Wireless Features
Wi-Fi Support |
Compliance & Origin
TAA Compliant | Yes |
Country of Origin | Japan |
Certifications | VCCI, FCC Class A, CE, RoHS |
Advanced Security Features
User Authentication | Active Directory Integration, Local User Management |
Access Control | User/Group Permissions, IP Address Filtering |
Data Encryption | AES 256-bit Encryption for Volume |
Security Protocols | HTTPS, SFTP, SSH |
Physical Security | Kensington Security Slot |
Interfaces
LAN Ports | 2 x 10GbE (SFP+) |
Additional LAN Ports | 2 x 1GbE (RJ-45) |
USB Ports | 2 x USB 3.0, 2 x USB 2.0 |
Data Transfer Rate | Up to 20 Gbps aggregate (with 10GbE) |
Supported Network Protocols | SMB, AFP, FTP, SFTP, NFS, iSCSI, SNMP, HTTP/HTTPS |
Serial Console Port | Yes |
Physical & Environmental
Width | 17.6 inches (448 mm) |
Depth | 27.5 inches (700 mm) |
Height | 3.5 inches (88 mm) |
Weight | Approx. 35.7 lbs (16.2 kg) without drives |
Operating Temperature | 5°C to 35°C (41°F to 95°F) |
Non-Operating Temperature | -20°C to 60°C (-4°F to 140°F) |
Operating Humidity | 20% to 80% (non-condensing) |
Non-Operating Humidity | 10% to 90% (non-condensing) |
Cooling Fans | 2 x Redundant Hot-swappable Fans |
Cloud Management & Licensing
Management Interface | Buffalo NAS Navigator, Web-Based GUI with Advanced Admin |
Remote Access Support | Yes (Via WebAccess and VPN) |
Bundled Software | NovaBACKUP (up to 10 licenses) |
Cloud Backup Integration | Supports Amazon S3, Dropbox, Microsoft Azure |