The JBX03924 100GBASE-SR4 QSFP28 Active Optical Cable represents cutting-edge connectivity technology for modern data centers and enterprise networks. This 100-meter HPE-compatible breakout cable delivers exceptional performance while offering unprecedented flexibility in network architecture design. **Technical Excellence** Manufactured to replace the HPE 845424-B21-100M specification, this cable features eight precision-aligned fiber strands utilizing OM4 50/125 multimode fiber technology. The multimode construction enables extended reach capabilities while maintaining the high-speed 100GB data rate required for contemporary networking demands. The cable achieves full compliance with IEEE 802.3bm standards and QSFP28 MSA specifications, ensuring optimal interoperability across HPE equipment ecosystems. **Superior Construction & Safety** The OFNR LSZH (Low Smoke Zero Halogen) jacketing provides exceptional fire performance and smoke suppression characteristics, critical for facilities with strict fire safety codes. This plastic jacketing design protects the internal fiber strands while maintaining flexibility for installation in diverse environments. The cable carries multiple safety certifications including Class 1 Laser, TUV, UL/FDA compliance to 21CFR 1040.10, and EU RoHS/ELV directive adherence. **Architectural Flexibility** The QSFP28 to 4x SFP28 breakout configuration enables network architects to maximize port density and adapt to evolving connectivity requirements. This form factor is ideal for migrating existing SFP28 infrastructure to 100G capability without complete platform replacement. **Operational Reliability** Qualified for operation between 0-70°C (32-158°F), this cable maintains performance integrity in varied environmental conditions. Custom brand programming is available for organizations requiring proprietary labeling. Ships from strategically located U.S. warehouses with free standard shipping on orders exceeding $99, ensuring rapid deployment capability. **Applications & Use Cases** Ideal for data center backbone connectivity, high-performance computing clusters, financial trading floors, and enterprise campus networks requiring maximum throughput. Perfect for organizations migrating from 40GB to 100GB infrastructure while preserving existing SFP28 investments. Backed by a comprehensive 90-day limited warranty, this cable provides confidence in long-term deployment success.