Juniper Networks QDD-400G-SR4P2

Brand: Juniper Networks | SKU: QDD-400G-SR4P2

The QDD-400G-SR4P2 is a 400G QSFP-DD optical transceiver module designed for short-range data center applications, supporting up to 400 Gbps over parallel multimode fiber with a maximum reach of 100 meters on OM4 fiber. It features MPO-12 connectivity and is compliant with IEEE 802.3cd and QSFP-DD MSA standards.

Refurbished Availability

Refurbished Juniper Networks QDD-400G-SR4P2 modules are available through Comtek, offering a reliable and cost-effective alternative to new hardware. Each refurbished unit undergoes comprehensive testing and quality assurance processes by our experienced engineers to ensure optimal performance and reliability. Choosing refurbished equipment not only delivers significant cost savings, but also provides the assurance of high-quality standards and extended lifecycle support.

Expert Repair Service

Comtek specialises in expert repair services for optical transceivers like the QDD-400G-SR4P2, with fast turnaround times to minimise network downtime. Our engineers have extensive experience repairing hardware across multiple leading vendors, including Cisco, Juniper, and Nokia. This multi-vendor expertise ensures that network operators, telecom providers, and critical infrastructure users receive effective, trustworthy solutions that help optimise their equipment investment.

Global Presence

With repair centres and offices located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek provides global coverage for all your network and infrastructure repair needs. Our international footprint enables us to deliver responsive, localised service and support, enhancing customer satisfaction and ensuring rapid turnaround times regardless of your location.

Committed to Sustainability

Comtek is dedicated to supporting the circular economy by extending the lifespan of telecom, network, and infrastructure equipment. By refurbishing, repairing, and reusing hardware like the QDD-400G-SR4P2, we help customers reduce electronic waste, lower carbon emissions, and achieve long-term value from their technology investments—promoting a more sustainable future for the industry.

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.