The JBX05073 2-meter 400GBASE-CR8 QSFP-DD to 8x SFP56 breakout cable represents a cost-effective, high-performance solution for modern data center architectures requiring ultra-high-speed interconnectivity. This passive direct attach copper (DAC) cable eliminates the need for expensive active transceivers, reducing total cost of ownership while maintaining exceptional signal integrity and reliability. **Key Features:** - **High-Speed Connectivity**: 400GB data rate with 400GBASE-CR8 protocol support - **Advanced Architecture**: QSFP-DD to 8x SFP56 breakout configuration for flexible port density - **Premium Materials**: 28AWG twinax copper construction with protective plastic jacketing - **Passive Design**: No power consumption, lower heat generation, superior reliability - **Compliance & Certifications**: RoHS/ELV compliant, TUV and UL certified, IEEE 400GBASE-CR8 qualified **Ideal Applications:** - High-performance data center networking - Cloud infrastructure interconnects - Hyperscale computing environments - Low-latency trading systems - Enterprise network upgrades **Technical Specifications:** - Length: 2 meters - Gauge: 28AWG - Connectors: QSFP-DD male to 8x SFP56 male - Operating Temperature: 0°C to 70°C (32°F to 158°F) - Warranty: 90-day limited warranty - Compliant with EU directive 2002/95/EC **Compatibility:** Fully compatible with Arista networking platforms and standard 400GBASE-CR8 equipped systems. Directly replaces Arista OEM part CAB-D-8S-400G-2M. Free standard shipping on orders over $99 from our Danville, CA and Beaufort, SC distribution centers. Custom brand programming available upon request.