Cisco QSFP-100G-LR4-S

Brand: Cisco | SKU: QSFP-100G-LR4-S

The QSFP-100G-LR4-S is a hot-pluggable, 100 Gigabit Ethernet QSFP28 optical transceiver module designed for long-range data transmission up to 10 km over single-mode fiber (SMF) with duplex LC connectors. It is compliant with the IEEE 802.3 100GBASE-LR4 standard and supports digital optical monitoring (DOM) functions.

Refurbished Availability

Refurbished Cisco QSFP-100G-LR4-S modules are available from Comtek, offering a cost-effective alternative to new equipment. Each refurbished unit undergoes thorough inspection, cleaning, and comprehensive functional testing to ensure it meets original performance standards. Choosing refurbished solutions not only saves budget but also delivers reliable quality and extends the lifecycle of your network infrastructure.

Expert Repair Service

Comtek provides expert repair services for the Cisco QSFP-100G-LR4-S and a wide range of optical transceivers from leading vendors including Cisco, Juniper, and Nokia. Our skilled engineers deliver fast turnaround times and high-quality repairs, helping telecom, network, and critical infrastructure operators maximise uptime and minimise costs. Trust Comtek to restore your essential equipment quickly and efficiently.

Global Presence

With repair centres and offices strategically located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek offers truly global support for your networking needs. This extensive international presence ensures responsive service, localised expertise, and high customer satisfaction wherever your operations are based.

Committed to Sustainability

At Comtek, we are committed to driving the circular economy by extending the life of telecom, network, and infrastructure equipment. Our refurbishment and repair solutions help reduce e-waste, lower carbon emissions, and provide long-term value for our customers. Choosing Comtek means making a sustainable choice for your organisation and the environment.

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.