Buffalo TeraStation 16TB 5420RN 4-Bay NAS Server (4 x 4TB)

SKU: WS5420RN16S6

Starting at $371/mo

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In the box

Buffalo TeraStation 16TB 5420RN 4-Bay NAS Server (4 x 4TB)

  • Buffalo TeraStation 16TB 5420RN 4-Bay NAS Server (4 x 4TB)
  • AC Cable 
  • 6A Ethernet Cable 
  • Front Panel Key 
  • Quick Setup Guide
  • Setup Media (SD Card)
  • Rail Kit with Mounting Brackets and Screws
  • Limited 3-Year Warranty

From The Wavelength Blog Read more

Buffalo TeraStation 16TB 5420RN 4-Bay NAS Server (4 x 4TB)

The Buffalo TeraStation 16TB 5420RN NAS Server is an affordable and reliable 4-bay network attached storage solution integrated with Windows Storage Server 2016. This specialized operating system helps with the simple deployment and management of your growing storage demands to integrate seamlessly with your existing Windows-based environment. The 5420RN is an ideal solution for consolidating multiple file servers into a single solution that enables cost reduction and lowering the overhead on your existing servers for other workloads.

Easy and Simple NAS-Grade Drives

With hard drives included, the TeraStation is a one-stop, all-inclusive backup and recovery storage solution, allowing you to store in your network just by plug and play. The Windows Storage Server 2016 provides you with seamless integration for expanding the storage capability. The device is preconfigured for out-of-the-box use and 5420RN integrates with your existing Windows environment infrastructures. Now make full use of commonly-used network environments and standard management software you already have for your environment with the 5420RN TeraStation. There is a reason why Buffalo NAS has been chosen, for making your life easy and simple. The pre-tested NAS-grade hard drives included with RAID pre-configured LCD allow easy visibility of the current unit status.

Complete your Backups Faster Than Ever 

Greatly benefit your business with this 10GbE TeraStation and by growing the data and file size with its smooth networking. The 10GbE-compatible devices and category 6A or higher rated cables allow improvements to office productivity by eliminating network bottlenecks and shortening data backup times. No 6A cabling in your office? No problem! 5420RN is compatible with IEEE802.3bz and it gives you faster data transfer speeds even with your CAT 5e environment. 

Designed for 24/7 Operation

Your data is secure with our small business purpose-built TeraStation, designed for 24/7 operation. The Terastation WS5020 products are built in Japan and pass severe burn-in testing with NAS-grade hard drives included, thus ensuring compatibility and reliability. 

Protect Your Data with Affordable Backups

The WS5020 series run the Windows Storage Server OS, which is optimized for data backup and file sharing. Featuring optimal performance with 60 simultaneous client PCs and access for 24 hours. Also, the TeraStation data can be easily backed up to external storage or other Rsync-based NAS devices.


Storage Capacity16 TB
Hard Drive TypeDesktop
Weight19.2 lbs

Same Day Shipping

All orders placed by 4PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

Free Two-Day Shipping

We offer free expedited shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).

Flexible, Easy Returns

If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.

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