The JBX05084 represents a premium passive breakout solution designed for demanding data center and enterprise network environments. This 1-meter 400GBASE-CR8 QSFP-DD to 8x SFP56 direct attach copper cable delivers exceptional performance and reliability without the complexity or cost of active conversion systems. **Technical Specifications & Performance:** Built to exacting standards, this breakout DAC features 30AWG twinax copper conductors with protective plastic jacketing, ensuring signal integrity across all eight SFP56 channels. The cable is fully qualified to ETC 400GBASE-CR8 specifications and adheres to QSFP-DD MSA and CMIS standards, guaranteeing seamless compatibility with qualified network infrastructure. With a data throughput capability of 400GB, this cable supports next-generation network speeds essential for modern data centers. **Compliance & Safety:** Manufactured to international standards, the JBX05084 carries RoHS and ELV compliance certification along with UL and TUV safety approvals. This ensures the cable meets stringent environmental and safety requirements, making it suitable for enterprise deployments and regulated industries. **Arista Compatibility:** As a direct replacement for the Arista CAB-D-8S-400G-1M, this cable integrates seamlessly into existing Arista infrastructure. The proven compatibility eliminates integration concerns and simplifies network upgrades. **Ideal Applications:** • Data center interconnects and fabric networks • High-density server deployments • Storage area networks (SANs) • Enterprise switching architectures • Network backbone upgrades • Multi-port aggregation scenarios **Durability & Reliability:** Operating across a wide temperature range (0 to 70°C), the cable maintains performance in various environmental conditions. The robust twinax construction and quality connectors ensure long-term reliability, backed by a comprehensive 90-day limited warranty. **Logistics & Support:** Shipped from strategically located US warehouses in Danville, CA and Beaufort, SC, this product qualifies for free standard shipping on orders exceeding $99. Custom brand programming is available for enterprise customers with specific requirements. Choose the JBX05084 for cost-effective, standards-compliant 400G breakout connectivity that delivers performance, reliability, and value in demanding network environments.