The JBX01092 400GBASE-DR4 QSFP-DD transceiver represents the cutting edge of optical networking technology, designed specifically for organizations requiring ultra-high-speed data transmission over extended distances. As networks continue to scale, the demand for 400GB connectivity has become essential in modern data centers, cloud infrastructure, and enterprise environments. **Key Technical Specifications:** This transceiver delivers exceptional performance with a 400GB/s data rate utilizing the DR4 (Dual-Rate 4-wavelength) transmission protocol. Operating at 1310nm wavelength, it achieves an impressive 500-meter transmission distance over standard single-mode fiber, eliminating the need for expensive specialty cables while maintaining signal integrity. **Connectivity & Compatibility:** The MTP/MPO-12/APC connector interface provides dense port capacity, allowing operators to pack multiple connections into compact form factors. Full compatibility with NVIDIA Mellanox equipment ensures plug-and-play deployment in existing infrastructure, reducing implementation costs and technical complexity. This module directly replaces OEM part numbers 980-9I16Y-00W00 and MMS1V00-WM. **Standards Compliance & Safety:** Qualified to IEEE 802.3bs specifications, this module adheres to QSFP-DD Multi-Source Agreement (MSA) and Common Management Interface Specification (CMIS) standards, ensuring interoperability and future compatibility. Comprehensive safety certifications—including Class 1 Laser classification, TÜV, UL, and FDA 21CFR 1040.10 compliance—guarantee safe operation in any environment. **Build Quality & Reliability:** Constructed with a robust metal case housing, the integrated laser transmitter design ensures optimal thermal management and consistent performance under demanding conditions. The module operates reliably across the full industrial temperature range (0-70°C / 32-158°F), making it suitable for both climate-controlled data centers and outdoor network cabinets. **Environmental Responsibility:** This product meets RoHS and ELV directives (EU 2002/95/EC), ensuring environmental compliance and safe disposal. Custom brand programming is available for organizations requiring vendor-specific configurations. **Warranty & Support:** Backed by a 90-day limited warranty, this transceiver provides peace of mind for critical network deployments. Enjoy free standard shipping on orders exceeding $99, with fulfillment from strategic U.S. locations in California and South Carolina.