Cisco QSFP-40GE-LR4=

Brand: Cisco | SKU: QSFP-40GE-LR4=

The QSFP-40GE-LR4= is a hot-swappable, four-lane 40 Gigabit Ethernet QSFP+ transceiver module designed for long-range data transmission up to 10 kilometers over single-mode fiber (SMF) using LC duplex connectors. It is compliant with IEEE 802.3ba 40GBASE-LR4 standards and supports digital optical monitoring (DOM) for real-time diagnostics.

Refurbished Availability

Refurbished versions of the Cisco QSFP-40GE-LR4= are available from Comtek, offering an excellent balance between performance and value. Each refurbished unit undergoes comprehensive quality assurance and rigorous testing by experienced engineers to guarantee reliable operation and compliance with original specifications. Choosing refurbished equipment provides significant cost savings while maintaining high standards of quality and performance.

Expert Repair Service

Comtek provides expert repair services for QSFP+ transceiver modules like the Cisco QSFP-40GE-LR4=, as well as similar products from leading vendors including Juniper and Nokia. Our fast turnaround times and technical expertise help minimise network downtime, supporting the needs of telecoms, network operators, and critical infrastructure providers. With our repair solutions, customers benefit from extended equipment lifespans and reduced capital expenditure.

Global Presence

With strategically located repair centres and offices in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek delivers responsive, localised service to customers worldwide. Our global reach enables us to provide rapid support, streamlined logistics, and a consistent customer experience, no matter where your operations are based.

Committed to Sustainability

Comtek is dedicated to advancing the circular economy by extending the usable life of telecom, network, and infrastructure equipment like the QSFP-40GE-LR4=. Our refurbishment and repair services help reduce e-waste, lower carbon emissions, and deliver long-term value for customers seeking sustainable technology solutions.

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.