The JBX05972 3-meter 200GBASE-CR4 QSFP56 direct attach copper cable represents a critical component in modern high-speed data center infrastructure. Specifically designed for Arista compatibility, this passive DAC cable enables seamless integration into existing network architectures while delivering exceptional performance and value. Technical Excellence: This cable implements the 200GBASE-CR4 standard, delivering 200GB per second data transmission over copper medium. The QSFP56 MSA (Multi-Source Agreement) form factor ensures universal compatibility with industry-standard network switches and equipment. Operating at 26AWG gauge with twinax construction, the cable provides optimal signal integrity while minimizing electromagnetic interference. Compliance and Certification: Fully qualified to IEEE 802.3cd specifications and CMIS standards, this cable meets the most stringent networking requirements. RoHS and ELV compliant manufacturing ensures environmental responsibility, while TUV and UL safety certifications guarantee operational safety in enterprise environments. Cost-Effectiveness and Performance: As a passive DAC solution, this cable requires no active power supply, reducing energy consumption and associated operational costs compared to active optical solutions. The 3-meter length provides optimal flexibility for typical data center rack spacing and switch-to-switch connectivity scenarios. Durability and Reliability: Constructed with copper connectors and plastic jacketing, the cable withstands the demanding conditions of production data centers. The operating temperature range of 0-70°C (32-158°F) ensures reliable performance in climate-controlled server environments. Applications: Ideal for enterprise data centers, high-performance computing clusters, cloud infrastructure, financial trading floors, and any environment requiring ultra-high-speed inter-switch connectivity. Direct replacement for Arista C-Q200-Q200-3M part numbers. Value Proposition: Shipped from strategic US locations (Danville, CA and Beaufort, SC), this cable qualifies for free standard shipping on orders exceeding $99, providing customers with cost-effective sourcing for critical network infrastructure components. The 90-day limited warranty provides peace of mind for enterprise deployments.