The JBX05974 3m 200GBASE-CR4 QSFP56 Direct Attach Copper Cable represents a professional-grade networking solution designed for organizations demanding reliable, high-speed data center connectivity. As a direct compatible replacement for HPE P06149-B25-3M and R5Z79A-3M part numbers, this cable integrates seamlessly into existing HPE infrastructure without compatibility concerns. **Technical Excellence** This passive Direct Attach Copper (DAC) cable utilizes industry-standard QSFP56 connectors and delivers impressive 200GB per second data transmission rates. The 26AWG twinax copper construction provides superior signal integrity and minimal attenuation over the 3-meter distance, critical for maintaining performance in high-demand networking environments. **Compliance & Certification** Fully compliant with IEEE 802.3cd standards and QSFP56 MSA specifications, the JBX05974 meets stringent RoHS and ELV directives. TUV and UL safety certifications ensure reliability and safe operation in diverse data center conditions. Operating temperature range of 0-70°C accommodates standard to warm server room environments. **Cost-Effective Performance** As a passive DAC cable, this solution eliminates the complexity and heat generation associated with active cables, reducing total cost of ownership while improving reliability. The 3-meter length provides optimal flexibility for typical rack-to-rack configurations without signal degradation. **Ideal Applications** • Enterprise data center switching • High-performance computing clusters • Hyper-converged infrastructure deployments • Server interconnects requiring 200GB connectivity • Network backbone upgrades **Shipping & Support** Ships expeditiously from U.S. locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99. Custom brand programming available for enterprise deployments. Backed by 90-day limited warranty ensuring peace of mind. The JBX05974 delivers enterprise-class networking connectivity at competitive pricing, making it the intelligent choice for organizations upgrading to 200GB infrastructure standards.