The JBX05386 1-meter 40GBASE-CR4 QSFP+ passive direct attach copper cable represents an ideal solution for organizations seeking reliable, high-speed networking at competitive pricing. Specifically designed for Fortinet compatibility, this cable eliminates expensive SFP+ transceiver requirements while maintaining exceptional performance characteristics. **Key Technical Specifications:** This passive DAC cable features 30AWG twinax copper construction engineered to deliver consistent 40GB data rates over 1-meter distances. The QSFP+ connector format ensures compatibility with modern networking equipment while maintaining the compact form factor required in densely-populated server environments. Operating temperature range of 0-70°C accommodates diverse data center climates without performance degradation. **Compliance and Certification:** Fully RoHS and ELV compliant with TUV and UL certifications, this cable meets stringent international standards. IEEE 802.3ba and SFF-8436 qualification confirms adherence to industry specifications for high-speed ethernet connectivity. Manufacturing in Vietnam and China follows rigorous quality control protocols. **Superior Value Proposition:** Passive DAC technology eliminates power consumption associated with active cables, reducing operational costs in large-scale deployments. The 1-meter length optimizes performance for rack-to-rack or switch-to-server connections common in enterprise environments. Direct compatibility with Fortinet equipment and replacement part numbers FN-CABLE-QSFP+1 and SP-CABLE-FS-QSFP+1 simplifies procurement and deployment. **Ideal Applications:** Perfect for data centers, enterprise networks, and high-performance computing clusters requiring cost-effective gigabit interconnectivity. The cable supports transmitting low-voltage network signals efficiently without signal degradation or latency issues. **Warranty and Support:** Backed by a comprehensive 90-day limited warranty ensuring customer confidence. Custom brand programming available for enterprise deployments. Free standard shipping on orders exceeding $99, with distribution from Danville, CA and Beaufort, SC locations enabling rapid delivery.