The JBX06456 25GBASE-CR SFP28 Passive Direct Attach Copper Cable represents a premium networking solution designed specifically for demanding datacenter and enterprise environments. This 2.5-meter twinax cable combines Dell compatibility with enterprise-grade performance specifications, delivering the reliability and speed required for modern high-density network deployments. Performance and Specifications: Built to IEEE 802.3by standards, this cable supports 25GB/s data rates with minimal signal degradation. The 30AWG twinax copper construction provides excellent electromagnetic shielding and signal integrity across the full 2.5-meter length. The cable's passive architecture means no active power consumption, reducing operational costs and heat generation in equipment racks. Compatibility and Integration: This cable is fully compatible with Dell networking equipment and directly replaces OEM part numbers 02-SSC-8391-2.5M, 470-ACFB-250CM, and 470-ACET-250CM. The SFP28 form factor ensures seamless integration with existing 25G-capable network infrastructure, whether you're upgrading legacy systems or building new high-performance environments. Quality and Certification: Manufactured in Vietnam and China under strict quality controls, this cable meets multiple international safety and environmental standards. It carries RoHS/ELV compliance, TUV and UL certifications, and meets EU directive 2002/95/EC requirements. These certifications guarantee safe operation and environmental responsibility. Operational Reliability: With an operating temperature range of 0-70°C (32-158°F), this cable performs consistently across standard datacenter conditions. The robust plastic jacketing protects the copper twinax from environmental stress while maintaining flexibility for routing through cable trays and conduits. Value and Support: At approximately 12x12x3 dimensions with compact packaging, the cable is easy to store and deploy. Backed by a 90-day limited warranty, plus free standard shipping on qualifying orders, this product delivers exceptional value. Ships from distribution centers in Danville, CA and Beaufort, SC for rapid delivery nationwide. Ideal for IT managers, datacenter operators, and enterprise network administrators seeking reliable, cost-effective 25GB connectivity solutions that meet stringent performance and compliance requirements.