Juniper Networks QDD-400G-SR8

Brand: | SKU: QDD-400G-SR8

The QDD-400G-SR8 is a 400G QSFP-DD optical transceiver module designed for 400 Gigabit Ethernet applications, supporting up to 100 meters over OM4 multimode fiber using 8x50G PAM4 lanes and operating at a wavelength of 850nm. It features an MPO-16 connector and is hot-pluggable for high-density data center environments.

Refurbished Availability

Refurbished versions of the Juniper Networks QDD-400G-SR8 are available through Comtek, offering customers significant cost savings without compromising on performance or reliability. Every refurbished module undergoes rigorous testing and comprehensive quality assurance processes to ensure full functionality and compliance with OEM standards. Choosing refurbished equipment not only reduces capital expenditure but also supports sustainable practices within your organization.

Expert Repair Service

Comtek provides expert repair services for high-speed optical transceivers like the QDD-400G-SR8, as well as equipment from leading vendors including Cisco, Juniper, and Nokia. Our skilled engineers deliver fast turnaround times, helping network operators, telecom companies, and critical infrastructure providers minimize downtime and maximize operational efficiency. With our multi-vendor expertise, you can rely on Comtek for dependable repair solutions tailored to your needs.

Global Presence

With repair centres and offices strategically located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek offers truly global support. Our international footprint ensures rapid response times and localised customer service, allowing us to meet the demands of clients across Europe, North America, and beyond. We are dedicated to providing responsive, reliable service wherever your business operates.

Committed to Sustainability

Comtek is dedicated to supporting the circular economy by extending the lifecycle of telecom, network, and infrastructure equipment. By refurbishing and repairing products like the QDD-400G-SR8, we help customers reduce electronic waste, lower their carbon footprint, and realize long-term value from their technology investments. Our approach not only benefits the environment but also delivers tangible business advantages to our clients.

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.