Buffalo TeraStation 5820DN 48TB 8-Bay Desktop NAS Server (4 x 12TB)

Overview

The Buffalo TS5820DN4804 is a desktop NAS server designed to deliver reliable and high-capacity storage for business environments. It features 48TB of total storage across four 12TB drives within an 8-bay chassis that supports hot-swappable drives, allowing you to replace or upgrade drives without downtime. Powered by a 2.04 GHz Annapurna Labs quad-core processor and 8GB of DDR4 RAM, it handles demanding storage tasks efficiently while supporting multiple RAID configurations to balance speed, capacity, and data protection.

Key features

• Hot-swappable 8-bay design enables easy drive replacement or upgrades without interrupting access to data
• Supports RAID 0, 1, 5, 6, 10, and JBOD to tailor performance and redundancy to your business needs
• Dual Gigabit Ethernet and 10GbE ports provide fast and reliable network connectivity for multiple users
• 256-bit encryption combined with two-factor authentication ensures strong protection of sensitive information
• Seamless integration with cloud services like Dropbox, Amazon S3, Microsoft Azure, and OneDrive for flexible backup and remote access
• Certified for VMware and Hyper-V, making it suitable for virtualized IT environments
• Built-in snapshot technology allows quick recovery from accidental data loss or corruption, minimizing downtime

Key specs

• Total storage: 48TB (4 x 12TB drives)
• Processor: Annapurna Labs 2.04 GHz quad-core
• Memory: 8GB DDR4 RAM
• Drive bays: 8-bay chassis with hot-swappable support
• RAID levels supported: 0, 1, 5, 6, 10, JBOD
• Network interfaces: Dual Gigabit Ethernet ports, 1 x 10GbE port
• Security: 256-bit encryption, two-factor authentication

Connectivity and compatibility

This NAS server offers versatile network connectivity options to fit into various business networks. The dual Gigabit Ethernet ports allow for link aggregation or failover, enhancing network reliability and throughput. The 10GbE port supports high-speed data transfers, which is especially beneficial in environments where large files are accessed by multiple users simultaneously. Compatibility with VMware and Hyper-V ensures smooth integration into virtualized infrastructures, while cloud service support expands backup and remote access possibilities.

Performance and reliability

The combination of a quad-core 2.04 GHz processor and 8GB of DDR4 RAM provides the processing power needed for smooth multitasking and fast data handling. The hot-swappable drive bays reduce maintenance interruptions, and the variety of RAID options lets you optimize for speed, redundancy, or capacity depending on your priorities. Security features like 256-bit encryption and two-factor authentication protect your data from unauthorized access, while snapshot technology offers a safety net against accidental deletions or file corruption.

Ideal uses and environments

This NAS server fits well in small to medium-sized offices, creative studios, and departments that require dependable storage with fast network access. It is a strong choice for teams that handle large files, such as video editing or data analysis, and for IT environments that rely on virtualization. Its robust security and backup features also make it suitable for businesses that need to safeguard sensitive information while maintaining continuous access to critical data.