The JBX05764 100GBASE-CR4 QSFP28 passive direct attach copper cable represents the optimal solution for high-density, cost-effective 100GB network connectivity in enterprise data centers. This 2-meter cable is specifically engineered for HPE Networking compatibility, making it an ideal choice for organizations standardizing on HPE infrastructure. **Technical Excellence** Built to IEEE 802.3bj and QSFP28 MSA specifications, this passive DAC cable delivers uncompromised 100GB data rates over short-to-medium distances. The 28AWG twinax copper construction ensures superior signal quality and minimal electromagnetic interference, critical for high-density switch-to-switch or server-to-switch connections. Operating reliably across the full 0-70°C temperature range, it withstands the thermal demands of busy data center environments. **Compliance & Reliability** Full RoHS and ELV compliance, along with TUV and UL safety certifications, confirms this cable meets the highest environmental and safety standards. The cable is manufactured to exacting tolerances in Vietnam and China, adhering to rigorous quality control protocols. It serves as a direct replacement for HPE OEM part numbers R0Z25A-2M and R9F77A-2M, ensuring seamless integration with existing systems. **Cost-Effective Performance** As a passive DAC solution, this cable requires no external power or active components, reducing total cost of ownership while eliminating potential points of failure. The 2-meter length is ideal for rack-to-rack or adjacent equipment connectivity without excessive cable slack. **Practical Benefits** - Eliminates latency associated with optical alternatives - Reduces power consumption compared to active solutions - Simplifies installation and maintenance - Supports high-volume deployments economically - Custom brand programming available for OEM customers Whether upgrading existing HPE infrastructure or building new data center networks, the JBX05764 delivers enterprise-grade performance at exceptional value. Ships from convenient U.S. locations with free standard shipping on orders over $99.