The JBX05468 3-meter Cisco Compatible 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable is an enterprise-grade networking solution engineered for demanding data center and high-performance computing environments. This specialized twinax copper cable delivers exceptional reliability and performance for organizations requiring secure, fast, and cost-effective network connectivity. **Superior Cable Construction:** Manufactured with premium 30AWG twinax copper conductors, this cable provides optimal signal transmission with minimal attenuation and interference. The copper cable with plastic jacketing offers durability while maintaining flexibility for installation in tight spaces. The compact 12x12x3 dimension profile fits seamlessly into standard cable management systems. **Passive Technology Advantage:** As a passive Direct Attach Copper (DAC) cable, this product eliminates the need for active electronics, reducing operational costs and complexity. Without power consumption requirements or potential points of failure associated with active components, passive DAC cables deliver inherent reliability and longevity. **Full Compliance & Certification:** This cable meets stringent industry standards including IEEE 802.3ba and SFF-8436 specifications. RoHS, TUV, and UL safety certifications ensure environmental compliance and safe operation. The EU directive 2002/95/EC compliance makes this suitable for international deployments. **Perfect Compatibility:** Engineered specifically for Cisco equipment, the JBX05468 directly replaces OEM parts QSFP-H40G-CU3M and MA-CBL-40G-3M. The QSFP+ to QSFP+ connector configuration ensures seamless integration with Cisco switches, routers, and network infrastructure. **Reliable Performance Specifications:** • Data Rate: 40GB • Length: 3 meters (ideal for inter-rack distances) • Operating Temperature: 0 to 70°C (32 to 158°F) • Cable Type: Twinax copper with plastic jacketing • Connectors: QSFP+ to QSFP+ • Gauge: 30AWG **Shipping & Support:** With free standard shipping on orders exceeding $99, this cable is competitively priced for enterprise deployment. Ships from convenient US locations in California and South Carolina for expedited delivery. Backed by a 90-day limited warranty for peace of mind. **Custom Solutions Available:** For organizations requiring branded or customized configurations, custom brand programming is available to meet specific deployment requirements. Whether you're upgrading existing infrastructure, expanding data center capacity, or ensuring redundant connectivity, the JBX05468 delivers the performance, reliability, and value data center professionals demand.