The JBX05319 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable represents an excellent solution for enterprise-grade network infrastructure requiring high-speed, reliable connectivity. This 5-meter cable is specifically designed for Palo Alto Networks security appliances and compatible equipment, making it an ideal replacement for original equipment manufacturer parts. **Key Features:** Passive DAC technology eliminates the complexity and cost of active optical modules, providing a straightforward copper-based connectivity solution. The 28AWG twinax copper construction ensures superior signal integrity and minimizes electromagnetic interference, critical for maintaining optimal performance in high-density data center environments. Operating temperature range of 0-70°C ensures consistent performance across varied deployment scenarios. **Compliance & Certification:** Fully qualified to IEEE 802.3ba specifications for 40 Gigabit Ethernet, this cable meets strict RoHS and ELV directives, ensuring environmental responsibility and regulatory compliance. Independent safety certifications from TUV and UL provide assurance of quality and reliability. **Technical Specifications:** - Data Rate: 40GB - Cable Length: 5 meters - Gauge: 28AWG - Connector Type: QSFP+ to QSFP+ - Standards: IEEE 802.3ba, SFF-8436 - Operating Temperature: 0-70°C (32-158°F) **Applications & Benefits:** Ideal for data center interconnections, enterprise network switching, and server-to-switch configurations. The passive DAC design reduces total cost of ownership compared to active optical alternatives while maintaining excellent performance up to 5 meters. Delivers reliable low-voltage network signal transmission with minimal latency. **Warranty & Support:** Backed by a 90-day limited warranty and available with custom brand programming options. Ships with free standard shipping on orders over $99 from convenient US locations in California and South Carolina.