The JBX05379 1-meter 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable represents the ideal networking solution for modern data centers and high-performance computing environments. This Dell-compatible cable is engineered to replace OEM part numbers 02-SSC-0382, 470-AAFE, and 470-AAVR, providing seamless integration with existing Dell infrastructure. **Technical Excellence:** Built with premium 30AWG twinax copper conductors and protective plastic jacketing, this passive direct attach cable eliminates the need for active electronics, resulting in reduced power consumption and heat generation. Qualified to IEEE 802.3ba and SFF-8436 specifications, it reliably transmits data at 40GB speeds with minimal signal degradation. **Compliance & Safety:** Fully RoHS and ELV compliant per EU directive 2002/95/EC, with TUV and UL safety certifications. The cable operates reliably across temperatures from 0-70°C (32-158°F), making it suitable for diverse deployment environments. **Superior Connectivity:** Features robust QSFP+ to QSFP+ connectors engineered for durability and consistent performance. The compact 12x12x2mm form factor enables efficient cable management in space-constrained data center racks. **Value & Reliability:** Included 90-day limited warranty provides peace of mind, while custom brand programming is available for enterprise deployments. Ships from US locations (Danville, CA and Beaufort, SC) with free standard shipping on qualifying orders. **Applications:** Ideal for connecting high-speed switches, servers, storage arrays, and other 40GB-capable network equipment. Perfect for virtualization environments, cloud computing infrastructure, and high-frequency trading operations requiring ultra-low latency connections. Upgrade your network infrastructure with this professional-grade passive DAC cable—the cost-effective solution for demanding 40GB connectivity without compromising on quality or performance.