The JBX05944 3-meter 200GBASE-CR4 QSFP56 to 4x SFP56 direct attach copper cable represents the optimal solution for enterprise data center connectivity. This HPE R6F27A-3M compatible breakout DAC combines performance, reliability, and cost-effectiveness in a single integrated package. **Technical Specifications:** This cable features robust 26AWG twinax copper conductors with protective plastic jacketing, delivering exceptional signal quality over distances up to 3 meters. The QSFP56 main connector interfaces with high-density networking equipment while the four SFP56 breakout connections enable scalable port expansion. Qualified to IEEE 802.3cd specifications, the cable supports full 200GB data rates with minimal signal degradation. **Performance & Reliability:** As a passive design, the JBX05944 eliminates external power requirements and associated failure points. The direct attach copper construction ensures low-latency transmission ideal for latency-sensitive applications including HPC clusters, cloud infrastructure, and financial trading environments. Operating reliably across the 0-70°C temperature range accommodates standard data center conditions. **Compliance & Certification:** Fully compliant with RoHS and EU directive 2002/95/EC, this cable meets enterprise sustainability requirements. TUV and UL safety certifications ensure reliable performance in mission-critical applications. The cable implements CMIS and QSFP56 MSA standards for compatibility with industry-standard hardware. **Applications:** • Data center fabric upgrades and expansions • High-performance computing cluster interconnects • Cloud service provider infrastructure • Enterprise storage network deployments • Top-of-rack to core switch connectivity **Value Proposition:** Replacing the original HPE part number R6F27A-3M, this cable delivers identical performance at a competitive price point. Custom brand programming is available for OEM and integration partners. Free standard shipping on orders over $99 and a 90-day limited warranty provide exceptional customer value and peace of mind.