Product Type | Network Attached Storage (NAS) |
Form Factor | 1U Rackmount |
Total Storage Capacity | 48 TB |
Number of Installed Drives | 4 |
Drive Capacity (each) | 12 TB |
Drive Type | HDD (3.5-inch SATA) |
RAID Levels Supported | RAID 0, 1, 5, 6, 10, JBOD |
iSCSI Support | Yes |
Processor Type | Annapurna Labs Alpine AL-324 |
Processor Cores | Quad-core |
Processor Speed | 1.7 GHz |
System Memory (RAM) | 4 GB DDR4 ECC |
Power Supply | Internal |
Power Consumption (Average) | 65 W |
Redundant Power Supply | No |
BUFFALO TERASTATION 5420RN NAS 48TB 1U





Key Benefits

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- Comes with 48TB of pre-configured NAS storage, minimizing setup time and maximizing immediate usability
- Includes 10GbE connectivity and RAID capabilities, offering high performance and reliable data protection for enterprise environments
- TAA compliance and Japanese manufacturing make it suitable for use in regulated or government procurement scenarios
Product Overview
The BUFFALO TERASTATION 5420RN NAS 48TB 1U is a high-performance NAS server equipped with four 12TB drives for a total of 48TB capacity. Its compact 1U rackmount form factor is ideal for space-constrained environments. This enterprise solution supports RAID configurations, features 10GbE connectivity for fast data transfer, and includes iSCSI capabilities for virtualization support. Built in Japan and TAA compliant, it meets various professional and regulatory standards. A rail kit is included to facilitate setup and deployment.
Specifications
Product Overview
Cloud Management & Licensing
Remote Management | Buffalo NAS Navigator, Web Management Interface |
Cloud Services | HybridCloud Backup, Amazon S3 Support |
Backup Software Included | NovaBACKUP Buffalo Edition (11 licenses) |
User Access Management | Active Directory Integration, LDAP |
Physical & Environmental
Dimensions (W x D x H) | 430 x 430 x 44.3 mm |
Weight | Approx. 9 kg |
Operating Temperature | 5°C to 35°C |
Operating Humidity | 20% to 80% (non-condensing) |
Cooling | 1 x Redundant Fan |
Included Accessories | Rail Kit, Power Cable, Ethernet Cable |
Interfaces
LAN Interfaces | 1 x 10GbE, 2 x 1GbE |
10 Gigabit Ethernet Port | 1 x RJ-45 |
USB Ports | 2 x USB 3.2 Gen 1 Type-A |
Supported Protocols | SMB, AFP, FTP, SFTP, NFS, HTTP/S, iSCSI |
Advanced Security Features
Data Encryption | 256-bit AES |
Drive Encryption Support | Yes |
Antivirus | Trend Micro NAS Security (optional license) |
Access Control | Group and User Permissions |
Network Security Protocols | HTTPS, FTPS, SFTP, SSH |
Compliance & Origin
Country of Origin | Japan |
TAA Compliant | Yes |
Certifications | FCC, VCCI, CE, RoHS, UL |
UPC | 747464135922 |