BUFFALO TeraStation 3420 4-Bay SMB 8TB (2x4TB) Desktop NAS Storage w/ Hard Drives Included

The BUFFALO TeraStation 3420 redefines small- to mid-sized business storage with a robust, secure, and scalable desktop NAS solution. Designed to simplify data management while delivering enterprise-grade reliability, this 4-bay NAS ships with 8TB of total storage (2 x 4TB drives included) and a suite of features tailored for collaboration, backup, and secure file sharing. Whether you’re consolidating team documents, safeguarding sensitive assets, or enabling remote access for distributed teams, the TeraStation 3420 offers a compelling blend of performance, protection, and ease of use in a compact desktop form factor.

• 4-bay desktop NAS with hot-swappable bays for flexible storage expansion and easy drive replacement without downtime. The modular design supports RAID configurations to protect your critical data while keeping your workflow uninterrupted.
• Includes 8TB of total storage (2 x 4TB drives) out of the box, so you can start sharing files and backing up data immediately without extra purchases. Ideal for small teams and multi-user environments requiring centralized storage.
• Cross‑platform file sharing and collaboration via industry-standard protocols, including SMB/CIFS and NFS, enabling seamless access from Windows, macOS, and Linux clients. Centralize documents, media, and backups in one secure location.
• Robust data protection and backup options with RAID support, scheduled backups, and easy restore capabilities. Protect against drive failure and accidental deletion while maintaining business continuity.
• Ready for 24/7 operation in a compact footprint with energy-efficient design and quiet operation, making it suitable for office environments, workstations, or small data centers without a noisy footprint.

Technical Details of BUFFALO TeraStation 3420

• Bays: 4-bay desktop NAS with hot-swappable drive bays
• Storage included: 8 TB total (2 x 4 TB HDDs included)
• Form factor: Desktop NAS appliance
• RAID support: RAID 0/1/5/6/JBOD for flexible data protection and storage efficiency
• Network protocols: SMB/CIFS, NFS, FTP/FTPS (and other standard NAS protocols)

How to install BUFFALO TeraStation 3420

Setting up your BUFFALO TeraStation 3420 is designed to be straightforward, ensuring a quick path from unboxing to fully integrated storage. Follow these steps to get your NAS up and running and ready to serve files, backups, and collaboration tasks.

1) Unpack and prepare. Remove the NAS from the box, verify that the included 2 x 4TB drives are present, and check that you have the power adapter and any necessary cables. Place the unit on a stable surface with adequate ventilation to maintain optimal performance and longevity. Ensure you have a wired Ethernet connection available for initial setup and management.

2) Power and connect. Connect the NAS to your network router or switch with a standard Ethernet cable. Plug in the power adapter and power on the device. Give the system a moment to boot and initialize its services.

3) Access the setup interface. Using a computer on the same network, launch a web browser and enter the TeraStation’s default IP address or use the auto-detect tool provided by Buffalo. Follow the on-screen wizard to set an administrator password, configure network settings, and establish your preferred language and time zone.

4) Configure storage and RAID. Access the storage management section to create a storage pool and select a RAID level (0, 1, 5, 6, or JBOD) that matches your redundancy and capacity needs. The included 8 TB of drives can be configured for performance or data protection based on your business requirements. Assign shared folders and set access permissions for teams and departments.

5) Enable backups, security, and remote access. Set up scheduled backups to protect important data, configure user access controls, and enable security features such as encryption at rest where available. If you need remote access, activate Buffalo’s remote management or cloud access features to securely reach your NAS from outside the local network.

6) Integrate with clients and devices. Create and manage user accounts, map shares to Windows or Mac clients, and install any recommended companion software to streamline backups and synchronization. Test file transfers and verify that permissions work as intended across your devices.

7) Maintain and monitor. Regularly check firmware updates and apply them to benefit from performance improvements and security enhancements. Monitor drive health and performance through the web interface, and schedule routine maintenance tasks to minimize downtime.

With these steps complete, your BUFFALO TeraStation 3420 will serve as a centralized hub for data storage, file sharing, and backups—empowering teams to collaborate more efficiently while keeping sensitive information protected in a trusted, enterprise-grade NAS environment.

Frequently asked questions

• What is included with the BUFFALO TeraStation 3420? The package includes a 4-bay desktop NAS enclosure with 8 TB of total storage (2 x 4 TB drives included), power adapter, and essential cables. The unit is designed for easy setup and immediate network sharing and backup.
• Can I upgrade or replace drives in the BUFFALO TeraStation 3420? Yes. The 4 bays are hot-swappable, allowing you to upgrade drives or expand capacity without shutting down the system. After replacement, rebuild times will depend on the chosen RAID level and drive performance.
• Which operating systems does it support? The BUFFALO TeraStation 3420 supports cross‑platform file sharing via SMB/CIFS and NFS, making it suitable for Windows, macOS, and Linux clients. It also works with common backup and synchronization workflows across these environments.
• Is RAID necessary for data protection? RAID provides redundancy and protection against drive failure, but you should also implement regular backups. RAID levels 1/5/6 offer varying degrees of fault tolerance, so choose based on your tolerance for downtime and data risk.
• Can I access the NAS remotely? Yes. The BUFFALO TeraStation 3420 offers remote access options through Buffalo’s management tools or compatible cloud-based access features, enabling secure connections to your files from off-site locations.
• What kind of performance can I expect? Performance depends on RAID configuration, network speed, and drive performance. In typical small-to-medium business use, the 4-bay design supports solid multi-user read/write operations for shared folders and backups, with bandwidth capacity aligned to standard 1 Gigabit Ethernet networks and compatible switch infrastructure.