The JBX01279 400GBASE-DR4 QSFP112 Transceiver represents the pinnacle of high-speed optical networking technology, engineered to meet the exacting demands of modern data centers and enterprise networks. This dual-rate transceiver delivers exceptional 400GB/s performance while maintaining compatibility with NVIDIA Mellanox ecosystem infrastructure. Key Technical Specifications: This module operates using 1310nm wavelength technology over 9/125 micron singlemode fiber (SMF), enabling transmission distances up to 500 meters—ideal for campus backbone networks and inter-data-center connectivity. The MTP/MPO 12-fiber connector interface ensures compatibility with existing high-density fiber infrastructure while minimizing footprint requirements. Performance and Reliability: The transceiver is housed in a professional-grade metal case with integrated laser transmitter, delivering consistent performance across operating temperatures from 0-70°C (32-158°F). It meets stringent industry compliance requirements including RoHS/ELV directives, Class 1 Laser certification, UL/FDA standards, and EU directive 2002/95/EC compliance. Compatibility and Integration: Direct replacement for NVIDIA Mellanox part numbers 980-9I068-00NM00, MMS1X00-NS400, and MMS1X00-NS400-T, ensuring seamless integration into existing Mellanox switch fabric deployments. Custom brand programming is available for OEM requirements. Applications: Ideally suited for high-speed data center networks, cloud computing infrastructure, storage area networks (SANs), and enterprise backbone connectivity requiring extended reach over singlemode fiber. Warranty and Support: 90-day limited warranty with free standard shipping on orders over $99. Ships from strategically located US warehouses in Danville, CA and Beaufort, SC for rapid delivery.