| Product Type | Network Attached Storage (NAS) |
| Model | TeraStation 3420DN |
| Manufacturer Part Number | TS3420DN0402 |
| Form Factor | Desktop |
| Processor Type | Alpine AL214 |
| Processor Clock Speed | 1.4 GHz |
| Processor Cores | Quad-Core |
| Installed RAM | 1 GB DDR3 |
| Power Supply Type | Internal |
| Power Requirements | AC 100-240V, 50/60Hz |
| Power Consumption (Max) | Approx. 48W |
BUFFALO TeraStation 3420DN 4TB 4-Bay NAS with 2x2TB SATA Drives
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Regular price
$621.08
Regular price
Sale price
$621.08
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MSRP: $789.99
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- 4-bay desktop NAS with 2x2TB SATA 6 Gb/s drives pre-installed and two open bays for expansion
- Supports RAID levels 0, 1, 5, 6, 10, and JBOD for data protection and flexibility
- 1.4 GHz Alpine processor and 1 GB RAM for efficient performance
- Gigabit Ethernet interface and two USB 3.0 ports for fast connectivity
- Pre-tested NAS-grade hard drives with RAID pre-configured
- 3-year warranty with 24/7 North American-based support and TAA compliance
Shipping & Returns
Shipping & Returns
All our products can be shipped anywhere in the Continental United States.
Key Benefits
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- Includes pre-tested 2x2TB NAS-grade drives with RAID pre-configured for quick, reliable deployment
- Expandability with two open bays allows flexible scaling as storage needs grow
- Backed by a 3-year warranty and 24/7 North American support, ensuring dependable operation and minimal downtime
Product Overview
The BUFFALO TeraStation 3420DN 4TB is a 4-bay desktop NAS pre-installed with two 2TB SATA drives, supporting up to 4TB storage and expandable via two open bays. It supports multiple RAID levels (0, 1, 5, 6, 10, JBOD) and includes pre-tested NAS-grade drives for enterprise readiness. Powered by a 1.4 GHz Alpine processor and 1 GB RAM, it delivers stable performance through Gigabit Ethernet and has dual USB 3.0 ports for peripheral connectivity. With TAA compliance and a 3-year 24/7 support warranty, it's a secure and scalable solution for growing businesses.
Specifications
Product Overview
Physical & Environmental
| Width | 9.1 in (231 mm) |
| Depth | 6.7 in (170 mm) |
| Height | 8.5 in (215 mm) |
| Weight | Approx. 5 kg |
| Operating Temperature | 5°C to 35°C |
| Non-Operating Temperature | -20°C to 60°C |
| Operating Humidity | 20% to 80% (non-condensing) |
Cloud Management & Licensing
| Web-Based Management | Yes |
| Remote Access Support | Buffalo WebAccess |
| Backup Software Included | NovaBACKUP Buffalo Edition (11 licenses) |
| User Management | Active Directory Integration |
Interfaces
| Ethernet Ports | 2 x RJ-45 |
| USB Ports | 2 x USB 3.0 |
| USB Type | Type-A |
| Data Link Protocol | Gigabit Ethernet |
| Hard Drive Interface | SATA 6 Gb/s |
| RAID Support | JBOD, 0, 1, 5, 6, 10 |
| Drive Bays | 4 |
| Pre-Installed Drives | 2 x 2 TB NAS HDD |
| Total Storage Capacity | 4 TB |
| Hot-Swap Support | Yes |
| LAN Interface | 10/100/1000 Mbps |
Compliance & Origin
| Country of Origin | Japan |
| TAA Compliant | Yes |
| Certifications | FCC, CE, VCCI, RoHS |
| UPC | 747464134130 |
Advanced Security Features
| Drive Encryption | 256-bit AES Encryption |
| User & Group Level Security | Yes |
| Network Security Protocols | HTTPS, FTP over SSL, Active Directory support |
| Antivirus Compatibility | Yes, via 3rd-party applications |
| Access Restriction | IP address and protocol filtering |
