The Cisco Catalyst 3550 Series offers enterprise-class, stackable, multilayer switches providing high availability, security and QoS, along with offering a range of Fast Ethernet and Gigabit Ethernet configurations. Customers can use this series as an access layer for medium enterprise wiring closets, or as a backbone switch for smaller networks. The Cisco Catalyst 3550 series offers two software options, the Standard Multilayer Software Image (SMI) or the Enhanced Multilayer Software Image (EMI), which offers a richer set of enterprise-class features.

Digital Warehouse offers a full line of used and refurbished Cisco Catalyst 3550 series products, including power cords and gbic cables. All products have passed our A+ Certified 28-point inspection to guarantee you receive the highest-quality refurbished Cisco hardware, and include a One Year Standard Warranty with every product we sell.