The JBX05918 0.5m 200GBASE-CR4 QSFP56 direct attach copper (DAC) breakout cable represents a premium solution for enterprise data center networking requirements. As an NVIDIA Mellanox-compatible alternative to the original MCP7H50-H00AR30 part number, this cable delivers exceptional value without compromising on performance or reliability. **Technical Specifications & Performance** This passive breakout DAC features industry-leading specifications designed for high-speed data transmission. Operating at 200GB per second, the cable utilizes 30AWG twinax copper construction to minimize signal degradation and ensure pristine data integrity. The QSFP56 to dual QSFP56 configuration enables flexible connectivity options for various network architectures. **Compliance & Certification** Fully compliant with IEEE 802.3cd standards, CMIS, and QSFP56 MSA specifications, this cable integrates seamlessly into modern networking ecosystems. RoHS, TUV, and UL certifications confirm adherence to safety and environmental regulations, meeting EU Directive 2002/95/EC requirements. The comprehensive certification package provides assurance of quality and reliability for mission-critical deployments. **Optimal for Data Center Environments** The compact 0.5m length is ideal for high-density configurations within server racks and network switches. Passive design eliminates power consumption concerns while delivering superior performance compared to active alternatives. Operating temperature range of 0-70°C accommodates standard data center climate conditions, ensuring consistent performance year-round. **Durability & Support** Covered by a 90-day limited warranty, the cable's copper connectors and reinforced plastic jacketing resist corrosion and mechanical stress. Ships from strategically located distribution centers (Danville, CA and Beaufort, SC) ensuring rapid delivery. Free standard shipping on orders exceeding $99 reduces total cost of ownership. **Applications** Ideal for enterprise data centers, high-performance computing clusters, cloud infrastructure providers, and organizations requiring reliable 200GB network connectivity. The cable supports transmitting low-voltage network signals across complex infrastructure without performance compromise. **Custom Solutions Available** Our custom brand programming service allows integration of your organization's branding, perfect for white-label applications or internal inventory management systems.