The JBX05291 4m 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable represents enterprise-grade connectivity designed specifically for Palo Alto Networks compatibility. This passive DAC cable delivers exceptional performance for demanding network environments requiring high-speed, low-latency data transmission. Technical Excellence: Crafted with precision 28AWG twinax copper conductors and protective plastic jacketing, this cable ensures superior signal integrity and durability. The QSFP+ to QSFP+ connector configuration provides standardized, secure connections across compatible equipment. At 4 meters in length, it accommodates typical rack-to-rack and switch-to-server distances in modern data center designs. Compliance & Certifications: Fully certified to IEEE 802.3ba and SFF-8436 standards, this cable guarantees interoperability with qualified network equipment. RoHS and TUV/UL safety certifications confirm environmental responsibility and electrical safety compliance. The EU directive 2002/95/EC (RoHS) compliance makes this ideal for international deployments. Optimal Performance Profile: Operating across 0-70°C temperature ranges, the cable maintains consistent performance in diverse environmental conditions. The passive technology eliminates power requirements while delivering reliable 40GB transmission rates, making it cost-effective for large-scale deployments. Ideal Applications: Perfect for data center infrastructure, cloud computing environments, enterprise network upgrades, and high-performance computing clusters. Whether connecting switches to servers, linking storage arrays, or establishing backbone connections, this cable delivers consistent reliability. Value Proposition: As a direct replacement for Palo Alto Networks part PAN-QSFP-CU-4M, you receive OEM-equivalent quality at competitive pricing. Free standard shipping on orders exceeding $99, multiple US shipping locations ensuring faster delivery, and a comprehensive 90-day limited warranty provide complete peace of mind. Custom brand programming is available for organizations requiring specialized branding solutions.