The JBX05064 2m 200GBASE-CR8 QSFP-DD to 8x SFP28 Direct Attach Copper (DAC) breakout cable represents a premium solution for modern data center networking requirements. As a fully compatible alternative to Arista's CAB-D-8S-200G-2M, this passive breakout cable delivers the performance and reliability demanded by enterprise environments. **Technical Specifications:** This cable features 30AWG twinax copper conductors with protective plastic jacketing, measuring 12x12x2 inches with a 2-meter active length. It supports 200GBASE-CR8 signaling standards, enabling simultaneous transmission across eight SFP28 25G channels. The passive design eliminates the need for external power supplies, reducing complexity and operational costs. **Performance & Compatibility:** The QSFP-DD connector interface ensures seamless integration with Arista switches and compatible network equipment. Operating temperature range of 0-70°C (32-158°F) accommodates diverse data center environments. The cable supports full 200Gbps aggregate throughput with zero latency overhead, critical for latency-sensitive applications. **Compliance & Certifications:** Full RoHS and ELV compliance meets stringent environmental regulations (EU directive 2002/95/EC). TUV and UL certifications validate safety and performance standards. Manufacturing across Vietnam and China ensures quality consistency. **Ideal Applications:** Networking professionals utilize this breakout cable for: • 200G to 8x25G port disaggregation • High-density switch configurations • Storage area networks (SANs) • Cloud infrastructure deployments • Data center upgrades • Test and measurement setups **Value Proposition:** As a passive DAC solution, this cable eliminates active components while matching OEM specifications. The 2-meter length provides flexibility for typical rack-to-switch distances. Free standard shipping on orders exceeding $99 and comprehensive 90-day limited warranty ensure customer confidence. **Custom Options Available:** Custom brand programming available for enterprise deployments requiring OEM branding or specific configurations.