Cisco WS-C3900-4R

Brand: Cisco | SKU: WS-C3900-4R

The WS-C3900-4R is a four-port redundant power supply module designed for Cisco Catalyst 3900 Series switches, providing enhanced power reliability and seamless failover support for mission-critical network environments.

Refurbished Availability

Refurbished Cisco WS-C3900-4R modules are available from Comtek, offering a cost-effective alternative to new hardware without compromising on performance or reliability. Each refurbished unit undergoes rigorous in-house testing and quality assurance processes to ensure it meets or exceeds OEM specifications. By choosing refurbished equipment, customers benefit from significant cost savings while still receiving dependable, high-quality solutions for their critical network infrastructure.

Expert Repair Service

Comtek provides expert repair services for the Cisco WS-C3900-4R and a wide range of similar products from leading vendors such as Cisco, Juniper, and Nokia. Our skilled engineers deliver fast turnaround times to minimise network downtime, supporting the needs of telecoms, enterprise, and critical infrastructure networks. With our comprehensive repair capabilities, clients can extend the lifespan of their equipment and optimise their technology investments.

Global Presence

With repair centres and offices strategically located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek delivers responsive service and support to customers around the world. Our global footprint ensures rapid logistics, local expertise, and a consistent customer experience, no matter where your operations are based.

Committed to Sustainability

Comtek is dedicated to supporting the circular economy by extending the usable life of telecom, network, and infrastructure equipment. Our refurbishment and repair services help reduce electronic waste and carbon emissions while delivering long-term value to our customers. By choosing to repair or refurbish, businesses can contribute to a more sustainable future and benefit from lower total cost of ownership.

For more information or to request a quote, please visit our contact form. All refurbished and repaired equipment comes with warranty coverage for peace of mind.