The JBX05911 3-meter 200GBASE-CR4 QSFP56 breakout cable represents a premium solution for modern data center and enterprise networking applications requiring high-speed, low-latency connectivity. Engineered as a direct replacement for Arista's C-Q200-2Q100-3M specification, this passive breakout DAC cable delivers exceptional performance without active electronic components, ensuring reliability and cost-effectiveness. **Technical Specifications & Performance:** Featuring 26AWG twinax copper conductors with protective plastic jacketing, this cable operates at 200 Gigabits per second across 3 meters. The passive design eliminates power consumption and potential points of failure, while the robust copper construction provides superior signal integrity. Compliance with IEEE 802.3cd, QSFP56 MSA, and CMIS standards ensures seamless integration with qualified Arista equipment and other compatible platforms. **Key Features & Benefits:** The breakout architecture connects one 200G QSFP56 port to two separate 100G QSFP56 ports, enabling flexible bandwidth allocation and port configuration. This functionality is particularly valuable for organizations transitioning network speeds or requiring granular port management. RoHS and ELV compliance ensures environmental responsibility, while TUV and UL certifications guarantee electrical safety standards. **Optimal Use Cases:** Ideal for high-density data center environments, enterprise networking upgrades, and scenarios demanding cost-effective 200G connectivity solutions. The 3-meter length accommodates typical inter-switch and equipment rack distances while minimizing cable clutter. **Reliability & Support:** Operating across a wide temperature range (0-70°C), this cable maintains consistent performance in various deployment environments. The 90-day limited warranty provides peace of mind, and custom brand programming options accommodate specific organizational requirements. **Shipping & Availability:** Qualifies for free standard shipping on orders exceeding $99, with rapid fulfillment from strategically located distribution centers in California and South Carolina.