The JBX05256 40GBASE-CR4 QSFP+ passive direct attach copper cable represents an optimal solution for high-speed network infrastructure requiring reliable, cost-effective connectivity. This 7-meter twinax cable is specifically designed to meet the demanding requirements of modern data centers, server farms, and enterprise networking environments. Key Technical Specifications: This cable features 26AWG copper conductors housed in protective plastic jacketing, engineered to deliver consistent 40GB data rates without signal degradation. The dual QSFP+ connectors are specifically qualified for Intel-compatible equipment, ensuring seamless integration with existing infrastructure. Meeting IEEE 802.3ba and SFF-8436 standards, this passive DAC eliminates the need for active electronics, reducing power consumption and deployment complexity. Performance & Reliability: The copper construction provides superior signal integrity over distances up to 7 meters, making it ideal for top-of-rack and end-of-row switch connections. Operating across 0-70°C temperature ranges, this cable maintains performance stability in various deployment scenarios. RoHS and ELV compliance certifications guarantee environmental responsibility without compromising quality or durability. Applications & Use Cases: Perfect for connecting high-performance servers to network switches, storage arrays to SAN infrastructure, or creating low-latency interconnects between data center equipment. The passive design eliminates potential failure points associated with active cables, improving overall system reliability. Certifications & Standards: TUV and UL safety certifications combined with IEEE 802.3ba compliance ensure this cable meets stringent industry standards. The RoHS-compliant construction reflects contemporary environmental regulations. Value Proposition: At 7 meters, this DAC cable provides exceptional value for enterprise deployments. The 90-day limited warranty provides confidence in quality, while custom brand programming options accommodate OEM requirements. With free standard shipping on orders exceeding $99, procurement becomes more economical. Compatibility: Designed as a direct replacement for Intel OEM part number XLDACBL7, this cable ensures drop-in compatibility with existing systems. Whether upgrading infrastructure or expanding deployment capacity, the JBX05256 delivers predictable performance and seamless integration.