The JBX05900 200GBASE-CR4 QSFP56 direct attach copper cable represents the ideal solution for data center professionals seeking high-performance, cost-effective interconnectivity. This 2.5-meter passive breakout cable is engineered to replace HPE's R8M58A component, offering identical specifications at competitive pricing with verified compatibility. **Technical Excellence** Built with 26AWG twinax copper conductors and professional-grade plastic jacketing, this cable delivers superior electromagnetic shielding and signal integrity. The dual QSFP56 connectors feature precision copper contacts ensuring reliable, low-latency 200Gb/s transmission. Full compliance with IEEE 802.3cd standards, QSFP56 MSA, and CMIS specifications guarantees seamless integration into existing HPE infrastructure. **Performance Advantages** As a passive direct attach solution, this cable requires no external power, reducing operational complexity and energy consumption. The robust construction withstands typical data center handling while maintaining consistent signal quality across the full 2.5-meter length. Operating temperature range of 0-70°C accommodates most enterprise environments without thermal concerns. **Regulatory Compliance** Certified under RoHS (EU Directive 2002/95/EC), TUV, and UL standards, ensuring safe deployment in regulated industries. Country of manufacture includes Vietnam and China with stringent quality control protocols. **Ideal Applications** Excellent for enterprise data centers, high-performance computing clusters, cloud infrastructure, and switch-to-switch connections requiring 200Gb/s speeds. Particularly valuable in HPE environments where R8M58A replacement cables are needed. **Value Proposition** Competitive pricing combined with 90-day limited warranty and free standard shipping on orders exceeding $99. Custom brand programming available for enterprise deployments. Backed by reliable supplier logistics with shipment from multiple U.S. locations (Danville, CA and Beaufort, SC). Invest in infrastructure reliability with the JBX05900 — engineered for performance, built for compatibility.