The JBX05216 2-meter 40GBASE-CR4 QSFP+ to 4x SFP+ passive breakout DAC cable represents a critical component for modern data center architectures requiring flexible high-speed connectivity. This precision-engineered cable bridges the gap between high-capacity QSFP+ ports and multiple SFP+ interfaces, providing superior performance for demanding networking applications. **Key Technical Specifications:** - Length: 2 meters for flexible deployment in rack environments - Connector Configuration: Single QSFP+ to four SFP+ ports - Wire Gauge: 30AWG twinax copper construction - Data Rate: 40GB transmission capability - Operating Temperature: 0-70°C (32-158°F) - Compliance: IEEE 802.3ba, RoHS, TUV, UL certified **Design & Performance Benefits:** The passive breakout architecture eliminates active electronic components, resulting in reduced power consumption and heat generation—critical factors in densely populated data centers. Direct attach copper technology provides ultra-low latency, making this cable ideal for time-sensitive applications including high-frequency trading, cloud computing, and real-time analytics platforms. **NVIDIA Mellanox Compatibility:** This cable is fully compatible with NVIDIA Mellanox infrastructure, serving as a genuine replacement for part number MC2609130-002. It integrates seamlessly with Mellanox ConnectX series adapters and switch infrastructure, maintaining performance specifications across your network ecosystem. **Enterprise-Grade Quality Assurance:** RoHS and ELV compliance ensures environmental responsibility and regulatory adherence. The combination of RoHS, TUV, and UL certifications guarantees safety and reliability for mission-critical deployments. The cable's durable plastic jacketing provides protection against physical damage while maintaining flexibility for installation in confined spaces. **Ideal Applications:** - Data center interconnect upgrades - Server-to-switch connectivity - Storage area network (SAN) deployments - High-performance computing (HPC) clusters - Cloud infrastructure buildouts **Support & Warranty:** Included 90-day limited warranty provides peace of mind for your investment. Free standard shipping on orders over $99 makes procurement economical. Ships directly from US locations (Danville, CA and Beaufort, SC) for expedited delivery. Whether upgrading legacy infrastructure or building new high-performance networks, the JBX05216 delivers exceptional value combining Mellanox compatibility, proven passive DAC reliability, and enterprise-class certifications at a competitive price point.