Cisco QSFP-40G-LR4

Brand: | SKU: QSFP-40G-LR4

The QSFP-40G-LR4 is a hot-pluggable, four-channel QSFP+ transceiver module designed for 40 Gigabit Ethernet long-range applications over single-mode fiber, supporting distances up to 10 kilometers with LC duplex connectors. It operates on a wavelength of 1310nm and is compliant with IEEE 802.3ba and QSFP+ MSA standards.

Refurbished Availability

Refurbished Cisco QSFP-40G-LR4 modules are available through Comtek, offering an excellent balance between performance and cost. Each unit undergoes comprehensive quality assurance processes and rigorous testing to ensure reliable operation that meets or exceeds original manufacturer specifications. By choosing refurbished equipment, you benefit from substantial cost savings without compromising on quality or network performance.

Expert Repair Service

Comtek provides expert repair services for the QSFP-40G-LR4 and a wide range of transceiver modules from leading vendors such as Cisco, Juniper, and Nokia. Our experienced engineers deliver fast turnaround times, helping network operators, telecom providers, and critical infrastructure organisations minimise downtime and extend the life of their equipment. Rely on Comtek for dependable repairs and comprehensive technical support.

Global Presence

With repair centres and offices located across the UK, Northern Ireland, Germany, Greece, and the USA, Comtek offers truly global support for our customers. This international footprint enables us to provide responsive service, local expertise, and rapid logistics, ensuring the highest levels of customer satisfaction wherever you are in the world.

Committed to Sustainability

Comtek is dedicated to supporting the circular economy by extending the operational life of telecom, network, and infrastructure equipment. Our refurbishment and repair services help reduce e-waste and lower carbon emissions, delivering long-term value and environmental benefits for our customers. Choosing Comtek means making a sustainable choice for your network infrastructure.

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.