The JBX05358 1.5m 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable is a high-performance networking solution designed specifically for Fortinet-compatible infrastructure. This cable delivers exceptional value for organizations requiring reliable 40GB connectivity without premium active cable costs. **Key Features & Specifications:** This passive DAC cable implements the 40GBASE-CR4 standard, delivering 40 gigabits per second of throughput. The 30AWG twinax copper construction provides optimal signal integrity while maintaining flexibility for installation in dense server environments. QSFP+ connectors on both ends ensure secure connections with Fortinet equipment and other compatible networking hardware. **Technical Excellence:** Manufactured to IEEE 802.3ba standards, this cable guarantees compatibility with certified 40GB infrastructure. The passive design requires no external power supply, eliminating heat output and reducing total cost of ownership. Operating temperature range of 0-70°C (32-158°F) supports standard data center and office environments. **Compliance & Certification:** Fully RoHS and TUV certified, meeting EU Directive 2002/95/EC environmental standards. Safety certifications include UL compliance, ensuring workplace safety and regulatory adherence. **Applications:** Ideal for data center connections between switches and servers, high-performance computing clusters, storage area networks (SANs), and enterprise network backbones. The 1.5-meter length accommodates short-to-medium distance connections typical in rack-mounted server configurations. **Compatibility & Support:** Direct replacement for OEM part numbers FN-CABLE-QSFP+150CM (Fortinet) and SP-CABLE-FS-QSFP+150CM. Ships with 90-day limited warranty and free standard shipping on orders exceeding $99. Available for custom brand programming to match your organizational requirements. **Why Choose This Cable:** Passive DAC technology eliminates power consumption while maintaining superior signal quality. The twinax design reduces crosstalk and EMI interference. Cost-effective compared to active solutions without performance compromise. Backed by rigorous quality testing and industry-standard compliance certifications.