Buffalo TeraStation WS5420 IoT 32TB 4-Bay NAS Server (4 x 8TB)

Overview

The Buffalo WS5420DN32S9 is a 4-bay NAS server designed to meet the growing data storage demands of businesses. It offers 32TB of total capacity using four 8TB NAS-grade drives configured in RAID 5, which balances storage efficiency with strong data protection. Powered by a 1.5 GHz Intel Atom dual-core processor and 8GB of ECC DDR4 RAM, this server handles multiple tasks and large file transfers smoothly. Its 10GbE port enables fast data movement, making it suitable for environments like media production, virtualization, or IoT deployments. Running Windows Server IoT 2019, it integrates well with Windows networks and supports hybrid cloud setups through Azure and OneDrive. The lockable front panel adds physical security, while a 3-year warranty and 24/7 US-based support ensure long-term reliability.

Key features

• RAID 5 configuration provides a balance of data protection and usable storage capacity, reducing the risk of data loss.
• 10GbE network port allows for high-speed data transfers, improving efficiency in data-intensive workflows.
• 8GB ECC DDR4 memory ensures stable and error-corrected performance during heavy multitasking and file handling.
• Windows Server IoT 2019 operating system offers seamless integration with existing Microsoft environments and familiar management tools.
• Hybrid cloud compatibility with Azure and OneDrive enables flexible and secure data backup and sharing options.
• Lockable front panel protects drives from unauthorized physical access, enhancing security in shared or open office spaces.
• Designed to support IoT applications and remote work setups, making it a versatile choice for modern business needs.
• 3-year warranty combined with 24/7 US-based support provides peace of mind and reliable assistance when needed.

Key specs

• Storage capacity: 32TB (4 x 8TB NAS-grade drives)
• RAID level: RAID 5 preconfigured
• Processor: Intel Atom 1.5 GHz dual-core
• Memory: 8GB ECC DDR4 RAM
• Network interface: 10GbE port
• Operating system: Windows Server IoT 2019
• Physical security: Lockable front panel
• Warranty: 3 years with 24/7 US-based support

Connectivity and compatibility

This NAS server is equipped with a 10GbE port that supports high-speed network connections, ideal for transferring large files quickly across your business network. It integrates seamlessly with Windows environments thanks to its Windows Server IoT 2019 OS, making it easy to deploy in offices already using Microsoft infrastructure. Hybrid cloud support for Azure and OneDrive further extends its compatibility, allowing you to combine local storage with cloud backup and sharing.

Ideal uses and environments

The WS5420DN32S9 fits well in small to medium-sized businesses that require reliable, high-capacity storage for backups, file sharing, or running IoT applications. It is a strong choice for IT professionals managing data-heavy workflows such as media production or virtualization. Its physical security features and robust support make it suitable for office environments where data protection and uptime are critical. Additionally, it supports remote work scenarios by enabling secure and flexible data access through hybrid cloud integration.