The JBX05883 1-meter 100GBASE-CR4 QSFP28 passive direct attach copper cable represents a cost-effective, high-performance networking solution for modern datacenters and enterprise infrastructure. Designed as a drop-in replacement for HPE Networking systems, this cable delivers exceptional value without compromising on quality or reliability. **Technical Specifications:** Operating at 100GB data rates, this QSFP28 DAC cable utilizes 30AWG twinax copper conductors with protective plastic jacketing. The 1-meter length provides optimal flexibility for rack-mounted equipment spacing while minimizing signal degradation. Connectors feature precision-engineered QSFP28 form factors on both ends, ensuring secure, repeatable connections. **Performance & Reliability:** As a passive direct attach cable, the JBX05883 eliminates the need for external power supplies, reducing operational complexity and potential failure points. It operates reliably across temperatures from 0-70°C (32-158°F), making it suitable for varied datacenter environments. IEEE 802.3bj qualification guarantees compatibility with enterprise-grade networking equipment. **Compliance & Certification:** Fully RoHS and ELV compliant, this cable meets EU directive 2002/95/EC standards. Safety certifications include TUV and UL marking, demonstrating adherence to international electrical safety requirements. The cable is manufactured to exacting standards in Vietnam and China. **HPE Compatibility:** Direct replacement for HPE Networking part numbers R0Z25A and R9F77A, this cable integrates seamlessly into existing HPE infrastructure without requiring firmware updates or reconfiguration. **Value Proposition:** Compared to active cables or fiber solutions, passive DAC cables offer significant cost savings while maintaining high-speed performance for short-reach connections. Backed by a 90-day limited warranty and free standard shipping on orders over $99, this product delivers enterprise-grade networking performance at accessible pricing. Ideal for IT professionals, datacenter managers, and enterprise network administrators seeking reliable, cost-effective high-speed connectivity solutions.