Product Transition Announcement - WS5020 Family NAS to TeraStation WS5020 IoT NAS

Press Releases Mar 30, 2021

Buffalo Americas, Inc. is announcing a product life-cycle status change for the TeraStation WS5020/WSH desktop and rackmount network attached storage product family to While Supplies Last, as well as its transition to the new TeraStation WS5020 IoT family.

TeraStation WS5020/WSH powered by Windows Server 2016 products will remain commercially available for sale during the While Supplies Last phase through Buffalo’s authorized sales channel. Customers are encouraged to contact Buffalo immediately with any questions.

Buffalo’s new TeraStation WS5020 IoT series is the market’s only professional-value Network Attached Storage that is powered by Windows Server IoT 2019. This easy-to-use NAS family is purpose-built to be effortlessly deployed in a Windows environment, and aims to deliver open-ended storage and centralized data management for your business while reducing costs and keeping your systems and data safe.

The featured Windows Server IoT 2019 for Storage Standard Edition operating system offers native integration with other Microsoft products such as Office 365 and Azure. The operating system can also help you enable various IoT (Internet of Things) scenarios for your business, regardless of industry. You can connect countless devices, as well as process and back up data from these devices while seamlessly scaling between the cloud and the edge. The embedded solution from Buffalo includes all Microsoft licensing, eliminating the need for Client Access Licenses.

Capacity Configuration TeraStation WS5020/WSH TeraStation WS5020 IoT
4TB 2 Bay Desktop Transitionary WS5220DN04W6 WS5220DN08S9
8TB Transitionary WS5220DN08W6 WS5220DN08S9
8 TB 4 Bay Desktop Transitionary WS5420DN08W6 WS5420DN08S9
16 TB Transitionary WS5420DN16W6 WS5420DN16S9
32 TB Transitionary WS5420DN32W6 WS5420DN32S9
12 TB 6 Bay Desktop Transitionary WSH5610DN12S6   WS5420DN16S9
24 TB Transitionary WSH5610DN24S6   WS5420DN32S9
48 TB Transitionary WSH5610DN48S6 WS5420DN32S9
16 TB 4 Bay Rackmount Transitionary WS5420RN16S6 WS5420RN16S9
32 TB Transitionary WS5420RN32S6 WS5420RN32S9
40 TB Transitionary - WS5420RN40S9


Customers are encouraged to transition to TeraStation WS5020 IoT products immediately. For additional information or to arrange demo unit orders, please contact Buffalo at 800-688-7466 or

Buffalo Americas, Inc. is dedicated to providing acclaimed business-to-business based solutions. Buffalo prides itself in offering data storage products that highlights security, stability, and simplicity, along with award-winning customer service and 24/7 North America-based support. Responsible for many industry firsts and technology standards, Buffalo has four decades of networking and computer peripheral manufacturing and design experience. For more information about Buffalo Americas Inc. and its products, please visit