The JBX06463 2.5m HPE Compatible 25GBASE-CR SFP28 Passive Direct Attach Copper Cable represents the optimal solution for organizations seeking reliable, high-speed networking connectivity without the expense of optical infrastructure. **Key Technical Features:** This passive DAC cable combines pure copper construction with precision 30AWG twinax design to deliver consistent 25GB data rates while minimizing signal loss and electromagnetic interference. The SFP28-to-SFP28 connector configuration ensures seamless integration with HPE networking equipment and compatible infrastructure. **Performance & Reliability:** Qualified to IEEE 802.3by and SFF-8402/8472 standards, this cable maintains operational integrity across temperature ranges from 0-70°C (32-158°F). The passive design eliminates power consumption concerns while delivering industry-leading performance metrics. RoHS, TUV, and UL certifications confirm compliance with global safety and environmental standards. **Cost-Effective Solution:** Compared to optical transceivers and fiber solutions, passive DAC cables offer substantial cost savings while maintaining exceptional speed and reliability. The 2.5-meter length is ideal for standard rack-to-rack deployments in data center and enterprise environments. **Compatibility & Support:** Direct replacement for HPE part numbers 844474-B21-250CM and JL294A-2-5M, ensuring drop-in compatibility with existing HPE infrastructure. Custom brand programming is available for enterprise deployments requiring specific labeling requirements. **Warranty & Shipping:** Backed by a comprehensive 90-day limited warranty, with free standard shipping on orders exceeding $99. Manufactured in Vietnam and China with quality assurance protocols ensuring consistent performance across every unit. **Applications:** Ideal for high-speed data center networks, server-to-switch connectivity, storage area networks (SAN), and enterprise backbone infrastructure requiring 25GB connectivity without optical complexity.