The JBX05621 1.5m HPE Q9S72A Compatible 100GBASE-CR4 QSFP28 Breakout DAC Cable represents premium-quality networking infrastructure for modern data centers and high-performance computing environments. This passive direct attach copper cable delivers reliable 100GB connectivity while maintaining the stringent requirements of enterprise-grade networking standards. **Technical Excellence** Engineered to IEEE 802.3bj and QSFP28 MSA specifications, this cable provides verified compatibility with HPE systems utilizing Q9S72A or 845416-B21-1-5M specifications. The 30AWG copper construction ensures superior signal integrity and minimal attenuation across the 1.5-meter span, critical for maintaining data center uptime and performance. **Performance Characteristics** As a passive breakout solution, this cable requires no active electronics or power supply, delivering ultra-low latency ideal for time-sensitive applications and high-frequency trading platforms. The QSFP28 to four SFP28 configuration enables flexible migration paths, allowing single high-speed connections to be disaggregated across multiple 25GB ports on compatible switches and network adapters. **Compliance & Reliability** Full RoHS, ELV, and TUV compliance ensures environmental responsibility and regulatory adherence. Operating across 0-70°C temperature range, this cable maintains performance in diverse data center conditions. The included 90-day limited warranty provides peace of mind for critical infrastructure investments. **Installation & Deployment** The compact 12x12x2mm profile facilitates easy routing through cable management systems without bulk-related installation difficulties. Compatible with leading HPE platforms, this cable integrates seamlessly into existing environments, supporting both new deployments and infrastructure upgrades. **Value Proposition** Offering significant cost savings compared to active solutions while maintaining equivalent performance metrics, this DAC cable represents optimal investment for capacity-focused infrastructure modernization. Free standard shipping on orders exceeding $99 makes bulk procurement economical for enterprise environments.