Buffalo TeraStation 3420RN Partially Populated 4TB 4-Bay 1U Rackmount NAS Server (2 x 2TB)

Overview

The Buffalo TS3420RN0402 is a network-attached storage (NAS) server designed to deliver secure and reliable storage for small to medium-sized businesses or advanced home users. It comes partially populated with two 2TB NAS-grade drives configured in RAID 1, providing 4TB of total storage with built-in redundancy to protect your data from drive failure. Powered by a 1.4 GHz quad-core processor and 1GB of DDR3 memory, it handles multitasking efficiently, making it suitable for backup, file sharing, and storage expansion through iSCSI support.

This 1U rackmount unit features hot-swappable drive bays that allow you to replace drives without downtime, ensuring continuous operation. It integrates smoothly into existing networks with Active Directory support for managing up to 10,000 users and groups, and connects to popular cloud services like Amazon S3, OneDrive, Dropbox, and Microsoft Azure for flexible backup and synchronization options. Remote management tools simplify administration across multiple devices, while a three-year warranty and 24/7 North American support provide added peace of mind.

Key features

• Pre-configured RAID 1 with two 2TB NAS-grade drives for data protection and 4TB usable storage
• 1.4 GHz quad-core processor and 1GB DDR3 memory to support smooth multitasking and efficient data handling
• Hot-swappable drive bays enable drive replacement without interrupting server operation
• Supports multiple RAID modes including 0, 1, 5, 6, 10, and JBOD for flexible storage configurations
• Dual Ethernet ports with 1 Gigabit and 2.5 Gigabit speeds for fast and reliable network connectivity
• Three USB 3.1 Gen 1 ports provide easy connection to external devices and backups
• Compatible with major cloud services such as Amazon S3, OneDrive, Dropbox, and Microsoft Azure for seamless data synchronization and backup
• Active Directory integration supports management of up to 10,000 users and groups, simplifying user access control
• Remote management capabilities allow centralized monitoring and control of multiple NAS devices
• Durable design backed by a three-year warranty and 24/7 North American-based technical support

Key specs

• Storage capacity: 4TB (2 x 2TB NAS-grade drives)
• Processor: 1.4 GHz quad-core
• Memory: 1GB DDR3
• RAID support: 0, 1, 5, 6, 10, JBOD
• Network interfaces: 1 x 1 Gigabit Ethernet, 1 x 2.5 Gigabit Ethernet
• USB ports: 3 x USB 3.1 Gen 1
• Form factor: 1U rackmount
• Warranty: 3 years with 24/7 North American support

Connectivity and compatibility

This NAS server offers versatile connectivity options to fit into various network environments. The dual Ethernet ports include a standard 1 Gigabit and a faster 2.5 Gigabit port, allowing you to optimize network speed and reliability based on your infrastructure. The three USB 3.1 Gen 1 ports support quick connection to external drives or peripherals, enhancing backup and data transfer flexibility.

Integration with Active Directory enables centralized user and group management, making it easier to control access in business environments. Compatibility with cloud platforms such as Amazon S3, OneDrive, Dropbox, and Microsoft Azure expands your backup and synchronization options beyond local storage, supporting hybrid cloud workflows.

Ideal uses and environments

The Buffalo TS3420RN0402 fits well in small to medium-sized business settings or advanced home offices that require dependable, always-on storage with data protection. Its rackmount design suits server rooms or IT closets where space efficiency is important. The combination of RAID 1 redundancy, hot-swappable drives, and remote management makes it a strong choice for environments where minimizing downtime and simplifying administration are priorities.

This NAS is also suitable for users who need to back up and share files across multiple devices securely, or who want to integrate local storage with cloud services for added flexibility. Its performance and features support workflows involving frequent data access, backup tasks, and multi-user collaboration.