Juniper Networks QDD-400G-DR4

Brand: Juniper Networks | SKU: QDD-400G-DR4

The QDD-400G-DR4 is a 400Gbps QSFP-DD optical transceiver module designed for 400G Ethernet DR4 applications over single-mode fiber, supporting up to 500 meters with MPO-12/APC connector and compliant with IEEE 802.3bs 400GBASE-DR4 and QSFP-DD MSA standards.

Refurbished Availability

Refurbished Juniper Networks QDD-400G-DR4 modules are available at Comtek, providing a cost-effective solution without compromising on quality. Each unit undergoes comprehensive inspection and rigorous functional testing to ensure optimal performance and reliability. By choosing refurbished equipment, customers benefit from significant cost savings while maintaining high standards of operational excellence and network dependability.

Expert Repair Service

Comtek offers expert repair services for the Juniper Networks QDD-400G-DR4 and similar transceiver modules. Our highly skilled engineers deliver fast turnaround times and support a wide range of leading vendors, including Cisco, Juniper, and Nokia. This expertise empowers network, telecoms, and critical infrastructure operators to maximise uptime, extend asset life, and reduce total cost of ownership.

Global Presence

With repair centres and offices strategically located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek ensures responsive service and robust support for customers worldwide. Our global footprint enables us to deliver efficient logistics, local expertise, and rapid assistance, contributing to high levels of customer satisfaction wherever you operate.

Committed to Sustainability

Comtek is dedicated to supporting the circular economy by extending the lifecycle of telecom, network, and infrastructure equipment like the QDD-400G-DR4. Our refurbishment and repair services help reduce e-waste, cut carbon emissions, and promote sustainable resource usage—delivering long-term value and environmental benefits to our customers and communities.

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.