The JBX05318 5-meter NVIDIA Mellanox Compatible 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable represents the ideal solution for organizations requiring high-speed, low-latency networking infrastructure. Engineered to meet the stringent demands of modern data centers, this cable delivers exceptional performance without compromising on reliability or cost-effectiveness. ## Technical Specifications This professional-grade passive DAC cable features 28AWG twinax copper construction, specifically designed to support 40GB data rates while maintaining signal integrity over its 5-meter length. The QSFP+ connectors provide universal compatibility with NVIDIA Mellanox switches, servers, and network appliances, ensuring seamless integration into existing infrastructure. ## Standards & Compliance Fully qualified to IEEE 802.3ba specifications and SFF-8436 standards, this cable meets all international requirements. RoHS and ELV compliance ensures environmental responsibility, while TUV and UL certifications guarantee safety and performance. The cable operates reliably in temperature ranges from 0-70°C, suitable for both standard and high-ambient data center environments. ## Superior Value Proposition Unlike active DAC cables that require external power, this passive solution operates independently, reducing operational complexity and power consumption in your data center. The robust plastic jacketing protects the copper twinax core from damage during installation and daily operations, extending cable lifespan. ## OEM Compatibility This cable is a certified drop-in replacement for multiple OEM part numbers including NVIDIA Mellanox MCP1700-B005E, MC2206128-005, and MC2210128-005, offering significant cost savings without sacrificing compatibility or performance. ## Ideal Applications Perfect for data center uplinks, server-to-switch connections, storage area networks, and high-performance computing environments. Organizations upgrading to 40GB connectivity will appreciate the immediate performance gains and simplified cable management. Backed by a 90-day limited warranty and supported by domestic shipping from U.S. locations, this cable delivers enterprise-grade reliability with exceptional value. Custom brand programming is available for OEM deployments.