The JBX06370 4-meter HPE-compatible 25GBASE-CR SFP28 passive direct attach copper cable represents a cost-effective, high-performance solution for modern data center networking infrastructure. Engineered to support 25Gbps data rates, this cable delivers exceptional value for enterprises and service providers requiring reliable, low-latency connectivity without premium pricing. **Key Technical Features:** This passive DAC cable utilizes 26AWG copper conductors with professional-grade twinax shielding, delivering superior signal integrity across 4-meter distances. The robust plastic jacket provides mechanical protection while maintaining flexibility for tight installation spaces. Fully compliant with IEEE 802.3by and SFF-8402/SFF-8472 standards, the cable guarantees interoperability with HPE networking equipment and other certified 25GBASE-CR infrastructure. **Performance & Reliability:** As a passive solution, the cable requires no external power or active electronics, eliminating potential points of failure and reducing total cost of ownership. Operating across a wide temperature range (0-70°C), it performs reliably in diverse data center environments. RoHS, TUV, and UL certifications ensure safety compliance and environmental responsibility. **Ideal Applications:** Perfect for server-to-switch connections, storage array interconnections, high-density network environments, and backup connectivity scenarios. The 4-meter length accommodates most standard rack-to-rack configurations and equipment adjacency requirements. **Compatibility & Support:** Direct replacement for HPE networking OEM part R9F92A-4M, this cable integrates seamlessly with existing HPE infrastructure. All units undergo rigorous quality testing and include a 90-day limited warranty. Free standard shipping on orders exceeding $99, with availability from multiple domestic distribution centers for rapid delivery. **Custom Solutions Available:** For specific branding or custom requirements, professional brand programming services are available to meet enterprise specifications and procurement standards.