The JBX05546 1.5m 100GBASE-CR4 QSFP28 Direct Attach Copper Cable represents enterprise-grade networking connectivity designed specifically for NVIDIA Mellanox infrastructure deployments. This passive breakout DAC cable provides a cost-effective solution for organizations requiring high-speed, low-latency data transmission in demanding network environments. Technical Specifications: This cable features a robust construction utilizing 30AWG twinax copper conductors with durable plastic jacketing, ensuring reliable signal integrity and longevity. The 1.5-meter length offers flexibility for various rack and switch configurations while maintaining optimal performance. The cable operates at full 100Gbps speeds using the 100GBASE-CR4 standard, with passive technology eliminating the need for active components. Compatibility & Standards: Fully compatible with NVIDIA Mellanox equipment, including direct replacement for OEM part numbers 980-9I99W-00C01A, MCP7H00-G01A, MCP7H00-G01AR30N, and 980-9I99X-00C01A. The cable meets IEEE 802.3bj specifications, QSFP28 MSA standards, and SFF-8665 compliance requirements. RoHS and TUV certifications ensure environmental compliance and safety standards adherence. Applications & Use Cases: Ideal for data center interconnects, enterprise switch deployments, high-performance computing clusters, and cloud infrastructure environments. The cable's passive design makes it suitable for short-reach applications within standardized rack configurations. Its cost-effectiveness compared to active solutions makes it particularly valuable for large-scale deployments. Performance & Reliability: Operates reliably across the 0-70°C temperature range, accommodating typical data center environmental conditions. The copper construction provides excellent signal quality with minimal insertion loss, while the plastic jacket offers protection against physical damage and environmental factors. Warranty & Support: Backed by a 90-day limited warranty. Ships from multiple US locations (Danville, CA and Beaufort, SC) with free standard shipping on qualifying orders over $99, ensuring rapid delivery and cost-effective procurement for enterprise customers. Maintenance Considerations: Store in a clean, dry environment away from excessive heat or moisture. Avoid excessive cable bending or crimping that could damage internal conductors. Regular inspection ensures continued optimal performance.