The JBX05252 40GBASE-CR4 QSFP+ passive direct attach copper cable represents an economical yet robust solution for modern high-speed networking infrastructure. Manufactured to exacting standards, this 7-meter cable features premium 26AWG twinax copper construction encased in protective plastic jacketing, ensuring durability and consistent performance in demanding environments. Key Specifications: This IEEE 802.3ba qualified cable operates reliably across 0-70°C (32-158°F) temperature ranges, making it suitable for standard data center conditions. The QSFP+ to QSFP+ copper connectors provide secure, redundant connections without requiring external power—a significant advantage in power-constrained environments. With a 40GB data rate capacity, this cable delivers the throughput demanded by modern applications including virtualization, cloud infrastructure, and high-frequency trading platforms. Compatibility & Replacement: Direct replacement for OEM part numbers including 40G-DACP-QSFP7M, 10323-7M, AA1404032-E6-7M, and 40GB-C07-QSFP, ensuring seamless integration into existing Extreme Networks deployments. Compliance & Certification: RoHS, TUV, and UL certifications guarantee environmental responsibility and safety standards compliance. Harmonization code 8544.42.9090 facilitates international shipping and customs processing. Value Proposition: Compared to active cables or fiber solutions, this passive DAC cable offers lower total cost of ownership, reduced latency, and simplified installation. No driver software or firmware updates required. Ships from convenient U.S. locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99. Custom brand programming available for enterprise buyers. 90-day limited warranty provides peace of mind for your investment. Ideal Applications: Data center backbone connectivity, server-to-switch interconnects, storage array clustering, and high-performance computing environments where reliability and cost-effectiveness matter.