The JBX05478 3-meter HPE compatible 40GBASE-CR4 QSFP+ passive direct attach copper cable represents a cost-effective solution for high-speed data center networking. Engineered to replace OEM part numbers 498385-B23 and AT097A, this cable delivers enterprise-grade performance without premium pricing. Technical Excellence: This passive direct attach cable utilizes 30AWG twinax copper construction with precision-engineered QSFP+ connectors on both ends. Qualified to IEEE 802.3ba specifications, it provides guaranteed 40GB/s data transmission rates ideal for demanding applications including server clustering, storage system connectivity, and switch-to-switch interconnects. Key Advantages: • Passive Technology: No power consumption means lower operating costs and reduced heat generation • HPE Compatibility: Certified drop-in replacement for HPE infrastructure (replaces 498385-B23/AT097A) • Reliability: RoHS, TUV, and UL certifications ensure compliance with international safety standards • Optimal Length: 3-meter span accommodates standard rack-to-rack configurations with minimal cable slack • Operating Range: 0-70°C capability suits diverse data center climates Use Cases: Ideal for: Enterprise data centers, high-performance computing clusters, virtualization environments, storage area networks (SANs), and 40GB Ethernet deployments. The 3-meter length perfectly fits typical north-south data center traffic patterns between adjacent equipment racks. Quality Assurance: Each cable ships with a 90-day limited warranty and undergoes rigorous quality testing. Manufactured in Vietnam and China using controlled processes, this product meets strict EU Directive 2002/95/EC (RoHS) and all major telecommunications standards. Shipping & Support: Enjoy free standard shipping on orders exceeding $99 from our California and South Carolina distribution centers. Custom brand programming is available for enterprise procurement needs. With proper handling and storage at room temperature, this cable delivers years of reliable service in production environments.