The JBX05326 40GBASE-CR4 QSFP+ passive direct attach copper cable represents a cost-effective, high-performance solution for modern data center and enterprise networking infrastructure. Specifically engineered for Dell compatibility, this 0.5-meter cable delivers reliable 40GB Ethernet connectivity at speeds that rival more expensive optical solutions, without requiring active components or external power. Construction and Materials: Built with 30AWG twinax copper conductors and protective plastic jacketing, this passive DAC cable provides exceptional durability and signal fidelity. The compact 12x12x2mm dimensions facilitate easy routing through congested server racks and cable management systems. The QSFP+ connector form factor ensures seamless integration with Dell switches, routers, and server adapters. Performance and Standards: Qualified to IEEE 802.3ba specifications, the JBX05326 maintains consistent 40GB data rates over its 0.5-meter length—ideal for direct server-to-switch and switch-to-switch connections. The cable operates reliably across the full 0-70°C temperature range, making it suitable for standard and warm-aisle deployments. Compliance and Certifications: Fully RoHS compliant per EU Directive 2002/95/EC, this cable meets stringent environmental standards without compromising performance. TUV and UL certifications verify safety and quality throughout manufacturing and deployment. Compatibility and Replacement: Direct replacement for Dell OEM part numbers 02-SSC-0382-0.5M, 470-AAXB, and 470-AAIB. Works seamlessly with Dell PowerEdge servers, Dell Networking switches, and third-party QSFP+ equipment. Value and Support: Our passive DAC cables eliminate licensing fees and compatibility concerns associated with active components, delivering superior cost-per-gigabit. Ships from US locations (Danville, CA and Beaufort, SC) with free standard shipping on orders over $99. Custom brand programming is available for enterprise customers. Backed by a 90-day limited warranty for peace of mind.