The JBX05636 1-meter 100GBASE-CR4 QSFP28 to 4x SFP28 breakout direct attach copper cable represents the ideal solution for HPE network infrastructure requiring high-speed, cost-effective interconnectivity. As a direct OEM replacement for HPE Q9S72A (845416-B21-1M), this cable delivers enterprise-grade performance with exceptional reliability. ## Technical Excellence Built with premium 30AWG twinax copper conductors and protective plastic jacketing, this passive breakout DAC cable achieves 100Gb/s data rates while maintaining signal integrity over its 1-meter length. The design eliminates the complexity and power requirements of active cables, making it an economical choice for short-reach data center connections. ## Specifications & Compliance Fully qualified to IEEE 802.3bj specifications and QSFP28 MSA standards, the cable meets all international regulatory requirements including RoHS/ELV, TUV, and UL certifications. The operating temperature range of 0-70°C (32-158°F) ensures reliable performance in climate-controlled data center environments. ## Configuration & Compatibility The QSFP28 to 4x SFP28 breakout configuration enables flexible network topology options, allowing a single 100Gb/s connection to be distributed across four 25Gb/s lanes. Perfect for HPE switches, servers, and network infrastructure requiring multi-port flexibility without sacrificing performance. ## Ideal Applications Data center operators, system integrators, and enterprise IT teams benefit from this cable's reliability and cost-effectiveness. Typical deployments include HPE ProLiant servers, Arista switches, Cisco equipment, and other standards-compliant 100GBASE-CR4 infrastructure. ## Support & Warranty Backed by a 90-day limited warranty and free standard shipping on orders over $99, this cable offers exceptional value. Custom brand programming is available for organizations requiring OEM labeling. Choose JBX05636 for proven HPE compatibility, exceptional performance, and reliable connectivity.