The JBX05419 40GBASE-CR4 2.5m QSFP+ passive direct attach copper cable represents an optimal solution for modern data center infrastructure requiring high-speed, low-latency connectivity. As businesses scale their network capabilities, the demand for reliable 40GB interconnects has become critical, and this passive DAC cable delivers exceptional performance without the complexity of active solutions. Key Features & Benefits: This cable utilizes proven passive copper technology, eliminating power consumption while maintaining exceptional signal integrity. The 30AWG twinax construction provides superior shielding and impedance control, ensuring reliable data transmission at 40GBASE-CR4 speeds. Intel compatibility guarantees seamless integration with enterprise-grade networking equipment and data center infrastructure. Technical Excellence: Fully compliant with IEEE 802.3ba standards, the JBX05419 undergoes rigorous testing to ensure consistent 40GB performance. The cable features QSFP+ connectors with copper-based contacts for reliable connections and minimal signal degradation. Its compact 2.5-meter length optimizes deployment within server racks while maintaining optimal cable management. Certifications & Compliance: RoHS and ELV certified, this cable meets stringent environmental and safety standards. TUV and UL certifications provide additional assurance of quality and reliability. The cable operates reliably across the 0-70°C temperature range typical of data center environments. Applications: Ideal for direct connections between switches, servers, and storage arrays in enterprise data centers. Perfect for high-frequency trading environments, cloud infrastructure, and virtualization platforms requiring ultra-low latency. The passive design makes it suitable for deployment in power-constrained environments. Value Proposition: Compared to active DAC solutions, passive cables reduce operational costs while maintaining performance. The 90-day limited warranty provides peace of mind, and custom brand programming is available for enterprise deployments. Free standard shipping on orders over $99 ensures cost-effective procurement. This cable replaces OEM part XLDACBL250CM, providing a reliable, cost-effective alternative for network upgrades and replacements without compromising performance or compatibility.