| Product Type | Network Attached Storage (NAS) |
| Model | WS5420DN08S9 |
| Family | TeraStation 5420 Series |
| Form Factor | Desktop |
| Operating System | Windows Server IoT 2019 Standard |
| Processor Manufacturer | Intel |
| Processor Type | Atom C3338 |
| Processor Speed | 1.5 GHz |
| Number of Cores | 2 (Dual-Core) |
| Cache Memory | 4 MB |
| Installed RAM | 8 GB |
| RAM Technology | DDR4 |
| Pre-installed Drives | 4 x 2TB HDD |
| Total Storage Capacity | 8 TB |
| Drive Type | SATA HDD |
| Drive Interface | SATA 6 Gb/s |
| Drive Bays | 4 |
| RAID Support | JBOD, RAID 0, RAID 1, RAID 5 |
| Power Supply Type | Internal Power Supply |
| Power Requirements | AC 100–240V, 50/60 Hz |
BUFFALO WS5420DN08S9 8TB 4-Bay NAS w/ Windows Server IoT 2019
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Regular price
$1,804.49
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$1,804.49
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MSRP: $2,349.99
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- Intel Atom C3338 1.5 GHz dual-core processor with 8GB DDR4 RAM
- Pre-installed with four 2TB SATA 6 Gb/s drives (total 8TB capacity)
- Supports RAID 0, 1, 5, and JBOD for flexible data protection
- Runs Windows Server IoT 2019 Standard for enterprise compatibility
- Connectivity includes 3x Gigabit Ethernet RJ-45 and 2x USB 3.0 Type-A ports
- Desktop form factor with TAA compliance and AC 100-240V power input
Shipping & Returns
Shipping & Returns
All our products can be shipped anywhere in the Continental United States.
Key Benefits
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- Enterprise-grade NAS with full Windows Server IoT 2019 integration, ideal for professional IT environments
- Versatile RAID support and 8TB pre-installed storage offer both performance and redundancy options
- TAA compliance and high connectivity (USB 3.0, Gigabit Ethernet) make it suitable for regulated and demanding business networks
Product Overview
The BUFFALO TeraStation 5420 (WS5420DN08S9) delivers professional-grade NAS functionality geared for businesses that demand flexible, scalable storage. With a dual-core Intel Atom C3338 1.5 GHz processor and 8GB DDR4 RAM, the system supports Windows Server IoT 2019 Standard for enterprise integration. Featuring four 2TB SATA drives pre-installed and backing RAID 0/1/5/JBOD, it can adapt to varied redundancy and performance needs. Connectivity includes three Gigabit RJ-45 and two USB 3.0 ports, making it ready for high-throughput environments. Compact and TAA-compliant, it’s ideal for secure, centralized storage in small to medium-sized business environments.
Specifications
Product Overview
Wireless Features
| Wi-Fi Support |
Compliance & Origin
| Country of Origin | Japan |
| TAA Compliant | Yes |
| Certifications | FCC, CE, VCCI, RoHS |
Advanced Security Features
| Active Directory Integration | Yes |
| User and Group Management | Yes (via Windows Server) |
| BitLocker Encryption Support | Yes |
| Access Control | Share and folder-based permissions |
| SMB Encryption | Yes |
| Antivirus Support | Third-party antivirus compatible |
Interfaces
| LAN Ports (RJ-45) | 3 x Gigabit Ethernet |
| USB Ports | 2 x USB 3.0 Type-A |
| Network Data Link Protocol | Gigabit Ethernet |
| Interface Types | USB 3.0, RJ-45 |
Physical & Environmental
| Width | 6.7 in (170 mm) |
| Depth | 9.1 in (230 mm) |
| Height | 8.5 in (216 mm) |
| Operating Temperature | 5°C to 35°C (41°F to 95°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Operating Humidity | 20% - 80% (non-condensing) |
| Storage Humidity | 10% - 90% (non-condensing) |
Cloud Management & Licensing
| Management Interface | Windows Server Manager / Remote Desktop |
| Included Licensing | Windows Server IoT 2019 Standard license included |
