Manufacturer | BUFFALO TECHNOLOGY |
Product Name | BUFFALO TERASTATION 3420RN 32TB Rackmount NAS |
Manufacturer Part Number | TS3420RN3204 |
Type | Network Attached Storage (NAS) |
Total Storage Capacity | 32 TB |
Storage Drive Capacity | 4 x 8 TB |
Drive Type | SATA HDD |
Drive Interface | SATA 6 Gb/s |
Number of Drive Bays | 4 |
Supported RAID Levels | JBOD, RAID 0, 1, 5, 6, 10 |
Form Factor | 1U Rackmount |
Rack Size | 19-inch |
Processor Type | ARM Cortex-A9 Dual-Core |
Processor Speed | 1.4 GHz |
Installed RAM | 1 GB |
Memory Type | DDR3 |
Operating System | Linux (Embedded) |
Power Supply Type | Internal AC Power Supply |
Power Requirements | 100–240V AC, 50/60 Hz |
Power Consumption (Max) | Approximately 60W |
BUFFALO TERASTATION 3420RN 32TB Rackmount NAS with 4x8TB SATA, RAID, 2.5GbE
Key Benefits

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- Pre-installed 32TB storage and RAID support deliver out-of-the-box scalability and data protection.
- Enterprise-grade build with TAA compliance and support for government/regulatory deployments.
- Bundled rail kit and standard rackmount form factor simplify deployment in IT infrastructure.
Product Overview
The BUFFALO TERASTATION 3420RN 32TB is a business-grade 1U rackmount NAS with four pre-installed 8TB SATA 6 Gb/s drives, offering 32TB total storage. It supports RAID 0, 1, 5, 6, 10 & JBOD configurations on a Linux-based system, guided by a 1.4 GHz processor and 1GB DDR3 RAM. Dual connectivity options include 2.5GbE Ethernet and USB 3.0, while its compact 1U form factor fits standard 19" racks—a rail kit is included. TAA compliance and a 3-year warranty with 24-hour HDD replacement emphasize its reliability and enterprise suitability.
Specifications
Product Overview
Physical & Environmental
Width | 430 mm |
Depth | 430 mm |
Height | 44.3 mm |
Weight | About 7.0 kg |
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) |
Acoustic Noise Level | 30 dB (typical) |
Cooling System | 1x 40mm fan (internal) |
Cloud Management & Licensing
Management Interface | Web-based GUI |
Remote Management Tools | Buffalo NAS Navigator, Remote Management Service |
Cloud Backup Support | Dropbox, Amazon S3, Microsoft Azure |
Warranty | 3-Year Warranty with 24-hour HDD Replacement |
Interfaces
Ethernet Ports | 2 x 2.5 Gigabit Ethernet (RJ-45) |
LAN Interface Type | 2.5GbE (RJ45) |
USB Ports | 2 x USB 3.0 Type-A |
Supported Data Link Protocols | Gigabit Ethernet, 2.5 Gigabit Ethernet |
Transfer Rate (Ethernet) | 10/100/1000/2500 Mbps |
Compliance & Origin
Country of Origin | Japan |
TAA Compliant | Yes |
Certifications | VCCI Class A, FCC Class A, CE, RoHS |
UPC | 747464134147 |
Advanced Security Features
Encryption | AES 256-bit Volume Encryption |
Access Control | Active Directory Integration |
User Authentication | Local and Domain Users and Groups |
NAS Protection Features | Disk Quota Allocation, Backup Scheduling, Drive Fail Notification |
Data Backup Features | BitTorrent Sync, USB Backup, Rsync, Scheduled Backup |