The JBX06406 25GBASE-CR SFP28 passive direct attach cable represents a premium networking solution for organizations seeking reliable, cost-effective high-speed connectivity. This 0.5-meter twinax copper cable is specifically engineered to meet the demanding requirements of modern data centers and enterprise network infrastructures. Technical Excellence: Constructed with premium 30AWG copper conductors and twinax design, this DAC cable delivers exceptional electrical performance while maintaining signal integrity over short distances. The passive architecture eliminates active components, reducing power consumption and heat generation—critical factors in dense rack environments. Full compliance with IEEE 802.3by specifications ensures compatibility with the latest networking standards. HPE Integration: Seamlessly compatible with HPE networking equipment, this cable directly replaces OEM part numbers JL294A-0-5M, 844471-B21, and R4G18A. Users can confidently deploy this solution as a cost-effective alternative to original HPE components without compromising performance or reliability. Safety & Compliance: Rigorous testing and certification ensure this cable meets international standards. RoHS and EU directive 2002/95/EC compliance guarantee environmental responsibility. TUV and UL safety certifications provide additional assurance of product quality and safe operation. Operational Specifications: - Data Rate: 25GB (25GBASE-CR) - Operating Temperature Range: 0-70°C (32-158°F) - Cable Length: 0.5m - Connector Type: SFP28 to SFP28 - Standards: IEEE 802.3by, SFF-8402, SFF-8472 - Warranty: 90-Day Limited Warranty Ideal Applications: Perfect for data center uplinks, server-to-switch connections, switch-to-switch interconnections, and storage area network implementations. The 0.5m length accommodates tight rack spacing while maintaining optimal cable management. This solution serves IT professionals, network administrators, and data center operators prioritizing performance, reliability, and cost efficiency. Shipping & Support: Available for shipment from multiple US locations (Danville, CA and Beaufort, SC), with free standard shipping on qualifying orders. Custom branding options available for bulk deployments.