The JBX05282 4-meter Fortinet-compatible 40GBASE-CR4 QSFP+ passive direct attach copper cable represents a cost-effective and reliable solution for enterprise-grade network infrastructure. Engineered to meet the demanding requirements of modern data centers and high-performance computing environments, this cable delivers consistent 40Gbps connectivity without the power overhead of active solutions. **Technical Specifications:** This passive DAC cable utilizes 28AWG twinax copper conductors with durable plastic jacketing, providing both flexibility and durability in installation scenarios. The QSFP+ to QSFP+ connector configuration enables direct device-to-device communication, eliminating bottlenecks associated with optical transceivers. Qualified to IEEE 802.3ba and SFF-8436 standards, the cable ensures interoperability across compatible networking equipment. **Fortinet Compatibility:** Designed specifically to replace OEM part numbers FN-CABLE-QSFP+4 and SP-CABLE-FS-QSFP+4, this cable integrates seamlessly with Fortinet FortiGate security appliances, FortiSwitch managed switches, and other QSFP+-equipped infrastructure. The passive design maintains native 40G performance without requiring additional power or active electronics. **Environmental Compliance & Safety:** Fully RoHS and TUV certified, the cable adheres to EU Directive 2002/95/EC standards and complies with international safety requirements. This certification ensures safe operation in various enterprise environments while meeting strict environmental regulations. **Performance & Reliability:** With an operating temperature range of 0-70°C, this cable performs reliably across diverse deployment scenarios—from climate-controlled data centers to standard office environments. The 90-day limited warranty provides peace of mind for your networking investments. **Use Cases:** Ideal for data center expansions, high-speed cluster interconnections, and enterprise backbone networks requiring dependable 40Gbps connectivity. Perfect for organizations standardizing on Fortinet security infrastructure seeking cost-effective cabling solutions that maintain performance standards. **Value Proposition:** By choosing this passive DAC solution, you eliminate ongoing power consumption costs associated with active cables while maintaining full 40Gbps performance. Ships from US locations (Danville, CA and Beaufort, SC) with free standard shipping on qualifying orders, ensuring rapid deployment of your network upgrades.