Juniper Networks QDD-400G-LR8

Brand: Juniper Networks | SKU: QDD-400G-LR8

The QDD-400G-LR8 is a 400G QSFP-DD optical transceiver module designed for long-range data center and enterprise networking applications, supporting up to 10 km transmission over single-mode fiber (SMF) using eight LAN-WDM wavelengths. It complies with the QSFP-DD MSA and IEEE 802.3bs 400GBASE-LR8 standards.

Refurbished Availability

Refurbished Juniper Networks QDD-400G-LR8 modules are available from Comtek, offering significant cost savings compared to new equipment. Each refurbished unit undergoes rigorous testing and comprehensive quality assurance procedures to ensure optimal performance and reliability. Choosing refurbished equipment not only maximizes your budget but also provides the assurance of high-quality, fully functional network hardware supported by our warranty.

Expert Repair Service

Comtek delivers expert repair services for QDD-400G-LR8 modules and similar optical transceivers. Our skilled engineers support multiple vendors—including Cisco, Juniper, and Nokia—providing fast turnaround times and reliable repairs. This service helps network operators, telecom providers, and critical infrastructure users maintain uptime, reduce hardware costs, and extend the lifecycle of essential components.

Global Presence

With repair centres and offices located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek offers true global support. Our widespread presence ensures rapid response times, localised service, and greater flexibility to meet the diverse needs of our international customer base, resulting in enhanced satisfaction and reliable network continuity.

Committed to Sustainability

Comtek is dedicated to advancing the circular economy by extending the operational life of telecom, network, and infrastructure equipment. By refurbishing and repairing devices like the QDD-400G-LR8, we help customers reduce e-waste, achieve significant carbon savings, and gain long-term value from their technology investments—all while supporting more sustainable business practices.

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.