The JBX05857 1.5m 100GBASE-CR4 QSFP28 passive direct attach copper (DAC) cable represents a cost-effective, high-performance solution for modern data center infrastructure. Designed specifically for Intel-compatible networking equipment, this cable delivers consistent 100GB Ethernet connectivity without requiring external power or active electronics. Key Features & Specifications: This passive DAC cable utilizes 30AWG twinax copper conductors housed in protective plastic jacketing, providing excellent signal integrity and durability. The dual QSFP28 connectors enable direct connection between compatible network interface cards, switches, and optical transceiver modules. At just 1.5 meters, the cable length offers optimal reach for server-to-switch and switch-to-switch connections within typical rack configurations. Technical Excellence: Qualified to IEEE 802.3bj standards and QSFP28 MSA specifications, the JBX05857 guarantees reliable performance in production environments. The cable is RoHS and TUV certified, ensuring compliance with EU directive 2002/95/EC and meeting global safety standards. Its operating temperature range of 0-70°C (32-158°F) accommodates diverse data center environments. Applications & Compatibility: Ideal for enterprise data centers, cloud infrastructure, and high-performance computing environments, this cable seamlessly replaces OEM part numbers XXLDACBL1-5M, 100CQQF3015, and 100CQQH3015. It's compatible with Intel equipment and other QSFP28-enabled devices from leading manufacturers. Value Proposition: As a passive solution, the JBX05857 eliminates the power consumption and heat generation associated with active DAC alternatives, reducing operational expenses while maintaining superior performance. The 90-day limited warranty provides peace of mind, and free standard shipping on orders over $99 ensures cost-effective procurement. Custom brand programming is available for enterprise deployments, allowing seamless integration with existing inventory management systems. Ships from convenient US locations in California and South Carolina for expedited delivery.