The JBX05665 100GBASE-CR4 QSFP28 to SFP28 breakout DAC cable represents the ideal solution for organizations requiring high-density, cost-effective 100GB network connectivity in data center and enterprise environments. This professional-grade passive direct attach copper cable is manufactured to exacting standards and provides direct compatibility with NVIDIA Mellanox switching and networking equipment. **Technical Excellence & Performance** Constructed with 30AWG twinax copper conductors and precision-engineered QSFP28 and SFP28 connectors, this 2-meter cable delivers uncompromised 100GB performance. The passive design eliminates active electronics, reducing power consumption and heat generation while improving reliability. Qualified to IEEE 802.3bj specifications and QSFP28 MSA standards, it ensures interoperability across compatible network infrastructure. **Key Features & Benefits** - 100GBASE-CR4 compliant for maximum bandwidth efficiency - One QSFP28 to four SFP28 breakout configuration enables flexible port scaling - 2-meter length optimized for intra-rack and short-reach deployment - Passive architecture provides superior reliability and longevity - RoHS/ELV and UL/TUV certified for global compliance requirements - Custom brand programming available for OEM integration - Wide operating temperature range (0-70°C) for diverse data center conditions **Ideal Applications** Perfect for data center migration projects, high-performance computing clusters, storage area networks (SANs), and enterprise backbone infrastructure requiring 100GB connectivity. The breakout functionality allows four servers or switches to connect simultaneously, maximizing port utilization and reducing overall infrastructure costs. **Quality Assurance & Support** Direct replacement for OEM part numbers MCP7F00-A002, MCP7F00-A002R30N, and 980-9I48B-00C002. Backed by a 90-day limited warranty and shipped from U.S. locations in California and South Carolina with free standard shipping on orders exceeding $99. Manufactured in Vietnam and China utilizing high-grade materials and rigorous quality control processes. This cable represents exceptional value for organizations seeking genuine NVIDIA Mellanox compatibility without premium pricing, making it an essential component for scalable, reliable high-speed networking infrastructure.