Cisco N520-X-4G4Z-A

Brand: Cisco | SKU: N520-X-4G4Z-A

The N520-X-4G4Z-A is a Cisco Nexus 2000 Series 4-port 40-Gigabit Ethernet QSFP+ fabric extender module, designed to provide high-density, low-latency connectivity for data center aggregation and access layer deployments. It enables flexible, scalable network expansion when used with compatible Cisco Nexus switches.

Refurbished Availability

Refurbished versions of the Cisco N520-X-4G4Z-A are available through Comtek, offering a cost-effective alternative to new hardware. Each unit undergoes comprehensive quality assurance and rigorous testing by our expert engineers to ensure optimal performance and reliability. By choosing refurbished equipment, customers benefit from significant savings without compromising on quality or operational efficiency.

Expert Repair Service

Comtek provides expert repair services for the Cisco N520-X-4G4Z-A and a broad range of similar products. Our highly skilled technicians deliver fast turnaround times and support equipment from multiple leading vendors, including Cisco, Juniper, and Nokia. This comprehensive repair capability helps network, telecoms, and critical infrastructure operators maintain uptime, extend asset life, and manage costs effectively.

Global Presence

With repair centres and offices strategically located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek ensures rapid, responsive service to customers worldwide. Our global footprint enables us to provide localized support, reduced shipping times, and enhanced customer satisfaction across multiple regions.

Committed to Sustainability

Comtek actively supports the circular economy by extending the lifespan of telecom, network, and infrastructure equipment such as the Cisco N520-X-4G4Z-A. Our refurbishment and repair services help minimize electronic waste, deliver significant carbon savings, and provide long-term value to our customers by maximizing the utility of existing assets.

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.