The JBX05928 represents a cost-effective, high-performance solution for data center networking professionals seeking reliable 200Gbps connectivity. This 1-meter 200GBASE-CR4 QSFP56 to 2x QSFP56 direct attach copper (DAC) breakout cable provides enterprise-grade performance without the expense and complexity of active optical solutions. **Key Features & Benefits:** Passive Design: Unlike active cables, passive DACs deliver superior reliability and lower operational costs. With no power requirements or active components, you eliminate potential points of failure while reducing your total cost of ownership. Nvidia Mellanox Compatibility: Engineered to seamlessly integrate with NVIDIA Mellanox switch platforms, this cable is a certified replacement for OEM part numbers 980-9I39E-00H001, MCP7H50-H001R30, MCP7H50-V001R30, and 980-9I98H-00V001. Optimal Cable Construction: The 30AWG twinax copper conductors with plastic jacketing provide excellent signal integrity and durability. The 1-meter length is ideal for Top-of-Rack (ToR) and End-of-Row (EoR) switch interconnections. Industry Certifications: Qualified to IEEE 802.3cd and QSFP56 MSA specifications, with RoHS, TUV, and UL safety certifications ensuring compliance with global standards. **Technical Specifications:** Data Rate: 200Gbps Connector Type: QSFP56 to 2x QSFP56 Cable Length: 1 meter Connector Gauge: 30AWG Operating Temperature: 0-70°C (32-158°F) Compliance: RoHS, EU directive 2002/95/EC, IEEE 802.3cd **Applications:** Data center switch interconnections, server-to-switch uplinks, high-performance computing clusters, storage area networks, and cloud infrastructure deployments. **Warranty & Support:** 90-day limited warranty included. Custom branding options available for enterprise deployments. Free standard shipping on orders over $99. Ships from multiple U.S. locations for rapid delivery.