Buffalo TeraStation 5420DN 48TB 4-Bay Desktop NAS Server

Overview

The Buffalo TS5420DN4804 is a 4-bay desktop NAS server designed to provide 48 TB of storage through four pre-installed 12 TB NAS-grade drives. It serves as a centralized and secure storage solution for small and medium-sized businesses, enabling efficient project management, backups, and file sharing within a local network. Powered by a 2.04 GHz Annapurna Labs AL524 quad-core processor and equipped with 8 GB of DDR4 memory, it ensures fast access to large folders and smooth multi-user performance.

Key features

• Four hot-swappable drive bays allow you to replace drives without interrupting system operation, minimizing downtime.
• Flexible RAID options including 0, 1, 5, 6, 10, and JBOD let you tailor the balance between speed, capacity, and data protection to your specific needs.
• Dual 1 GbE ports handle everyday network traffic, while a 10 GbE port provides high-speed connectivity for demanding workflows like video editing and engineering projects.
• Enterprise-grade 256-bit AES encryption and optional two-factor authentication protect sensitive data from unauthorized access.
• Supports scheduled encrypted snapshots and data replication to another TeraStation, adding layers of data security and disaster recovery options.
• Seamless integration with cloud services such as Dropbox, Amazon S3, and Microsoft Azure enables automatic off-site backups and easy collaboration with remote teams.

Key specs

• Storage capacity: 48 TB (four 12 TB NAS-grade drives)
• Processor: Annapurna Labs AL524 quad-core 2.04 GHz
• Memory: 8 GB DDR4
• Network interfaces: Dual 1 GbE ports and one 10 GbE port
• RAID support: 0, 1, 5, 6, 10, JBOD
• Encryption: 256-bit AES hardware encryption
• Drive bays: 4 hot-swappable

Connectivity and compatibility

This NAS server offers versatile network connectivity options to fit various office environments. The dual 1 GbE ports are suitable for standard network traffic, while the 10 GbE port supports high-bandwidth tasks, making it a strong choice for teams working with large media files or complex data sets. Integration with popular cloud platforms ensures compatibility with hybrid storage strategies and remote collaboration.

Performance and reliability

The combination of a quad-core processor and 8 GB of DDR4 memory allows the system to handle multiple simultaneous users and large file transfers without lag. Hot-swappable drives and flexible RAID configurations enhance uptime and data integrity, making this NAS a dependable backbone for business-critical storage. Encryption and snapshot features further secure your data against loss or unauthorized access.

Ideal uses and environments

This NAS server fits well in small to medium-sized business settings where centralized storage, data security, and multi-user access are priorities. It is particularly suited for marketing teams managing large media files, IT departments consolidating user data, and companies requiring reliable daily backups. Its network flexibility and cloud integration also make it a practical option for offices adopting hybrid cloud workflows or supporting remote workers.