Buffalo TeraStation 5420DN 8TB 4-Bay Desktop NAS Server

Overview

The Buffalo TS5420DN0802 is a four-bay desktop network attached storage (NAS) server designed to provide 8TB of storage capacity with robust security and high-speed performance. Equipped with a 2.04 GHz quad-core processor and 8 GB of DDR4 memory, it handles multiple users and large file transfers efficiently. The device comes with two pre-installed 4TB NAS-grade drives and offers two additional bays for future expansion, making it adaptable to growing data needs.

This NAS supports a variety of RAID configurations including 0, 1, 5, 6, and 10, as well as JBOD, allowing you to tailor the balance between performance, capacity, and data protection. Dual 1 GbE and dual 10 GbE network ports provide flexible connectivity options, enabling seamless integration into existing networks and easy upgrades to faster speeds when required.

Key features

• Pre-installed NAS-grade drives ensure reliable storage and immediate use out of the box.
• Quad-core processor combined with 8 GB DDR4 memory supports smooth multitasking and fast data access for multiple users.
• Flexible RAID options allow customization of data redundancy and performance to suit different project requirements.
• Dual 1 GbE and dual 10 GbE ports offer scalable network throughput, accommodating both standard and high-speed environments.
• Hardware-based AES-256 encryption protects sensitive data without impacting performance.
• Optional two-factor authentication adds an extra layer of security for administrative access.
• Cloud backup integration with Dropbox, Amazon S3, and Microsoft Azure provides reliable offsite data protection.
• Hot swappable drive bays enable drive replacement or upgrades without downtime, maintaining continuous access to data.

Key specs

• Storage capacity: 8 TB (two 4 TB NAS-grade drives pre-installed)
• Processor: 2.04 GHz quad-core
• Memory: 8 GB DDR4
• Drive bays: 4 (supports RAID 0, 1, 5, 6, 10, and JBOD)
• Network ports: Dual 1 GbE and dual 10 GbE
• Encryption: AES-256 hardware encryption

Connectivity and compatibility

The TS5420DN0802 offers versatile network connectivity with both gigabit and 10-gigabit Ethernet ports. This allows it to fit into a variety of network setups, from standard office environments to high-speed data centers. The NAS is compatible with common cloud storage services such as Dropbox, Amazon S3, and Microsoft Azure, enabling seamless backup and replication options for enhanced data security.

• Dual 1 GbE ports for standard network connections
• Dual 10 GbE ports for high-speed data transfer and future-proofing
• Cloud service integration for offsite backup and disaster recovery

Ideal uses and environments

This NAS server is well suited for creative studios managing large video or graphic files, branch offices requiring centralized backup solutions, and home enthusiasts who need fast, reliable storage for media streaming or virtual machines. Its combination of high capacity, flexible RAID options, and fast networking makes it a strong choice for environments where data accessibility, security, and uptime are critical.