The JBX05012 represents a professional-grade solution for organizations demanding ultra-high-speed network connectivity. This 1-meter 400GBASE-CR8 QSFP-DD to 2x QSFP56 Direct Attach Copper breakout cable is purpose-built to unlock the full potential of NVIDIA Mellanox networking ecosystems while maintaining exceptional reliability and performance. **Technical Excellence** This passive breakout DAC employs 30AWG twinax copper conductors to deliver robust 400GB bandwidth capabilities. The cable maintains signal integrity across extended installations while operating reliably within the 0-70°C temperature range. Its compact 1-meter length makes it ideal for rack-mounted installations where space efficiency is critical. **Industry Compliance & Certification** Fully qualified to ETC 400GBASE-CR8 specifications and QSFP-DD MSA standards, the JBX05012 carries comprehensive certifications including RoHS, TUV, and UL approval. These certifications ensure compliance with global environmental regulations (EU directive 2002/95/EC) and safety standards, providing peace of mind for enterprise deployments. **Seamless Compatibility** Designed as a direct replacement for NVIDIA Mellanox OEM part numbers 980-9IA3S-00W001 and MCP7H60-W001R30, this cable integrates immediately into existing infrastructure without additional configuration. The QSFP-DD to dual QSFP56 topology enables flexible port expansion, allowing organizations to efficiently distribute 400GB connections across multiple switch ports. **Ideal Applications** Perfect for data center upgrades, high-performance computing clusters, AI/machine learning infrastructure, and enterprise backbone networks. The passive design eliminates power consumption concerns while delivering native 400GB performance without latency penalties. **Convenience & Support** Shipped from multiple U.S. locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99. Each cable includes a 90-day limited warranty and custom brand programming options for enterprise customers. The robust construction and industry-leading certifications ensure years of dependable service in demanding networking environments.