The JBX05888 100GBASE-CR4 QSFP28 passive direct attach copper cable represents an essential component for modern high-speed data center infrastructure. Designed specifically for Intel-compatible systems, this 1-meter cable delivers exceptional performance in 100GB Ethernet applications without requiring external power, making it an energy-efficient solution for rack-scale deployments. **Key Features & Specifications:** This cable utilizes premium 30AWG twinax copper conductors encased in durable plastic jacketing, providing optimal signal transmission while maintaining flexibility for installation in tight spaces. The QSFP28 connectors on both ends ensure secure, reliable connections with Intel-compatible equipment and switches. Qualified to IEEE 802.3bj and QSFP28 MSA standards, the JBX05888 meets rigorous industry specifications for data integrity and performance consistency. **Compliance & Certifications:** The cable holds multiple international certifications including RoHS and ELV compliance, TUV validation, and UL safety certification. These credentials confirm adherence to EU Directive 2002/95/EC standards, making this cable suitable for deployment in regulated enterprise environments and international data centers. **Performance Advantages:** As a passive DAC (Direct Attach Copper) solution, this cable eliminates the complexity and cost of active electronics while maintaining superior signal quality over the 1-meter distance. The passive design ensures lower latency, simpler troubleshooting, and reduced heat generation compared to active alternatives. Operating reliably across 0-70°C temperature ranges, it withstands the demanding thermal conditions typical in high-density server environments. **Compatibility & OEM Equivalents:** This cable replaces multiple OEM part numbers including XXLDACBL1M, 100CQQF3010, and 100CQQH3010, providing cost-effective alternatives for organizations managing Intel infrastructure. Custom brand programming is available for resellers and integrators seeking private-label solutions. **Logistics & Support:** The JBX05888 ships from strategically positioned warehouses in Danville, CA, and Beaufort, SC, ensuring rapid delivery with free standard shipping on orders exceeding $99. Every unit is backed by a comprehensive 90-day limited warranty, providing peace of mind for critical network deployments. Whether upgrading existing fabric or deploying new 100GB connectivity, this cable delivers reliable performance with enterprise-grade quality assurance.