The JBX05868 1-meter 100GBASE-CR4 QSFP28 passive direct attach copper cable represents an optimal solution for modern data center connectivity requirements. Specifically designed for Arista-compatible network infrastructure, this high-performance cable enables seamless 100GB Ethernet transmission across short-to-medium distances without requiring active power. **Key Technical Features:** This passive DAC cable is constructed with 30AWG twinax copper conductors, providing excellent signal integrity and minimal electromagnetic interference. The QSFP28 form factor connectors on both ends ensure secure, reliable connections to compatible network equipment. Operating across temperatures from 0°C to 70°C (32°F to 158°F), this cable maintains consistent performance in diverse data center environments. **Compliance & Standards:** Fully qualified to IEEE 802.3bj specifications and QSFP28 MSA standards, the JBX05868 meets rigorous industry requirements. It carries RoHS, TUV, and UL safety certifications, ensuring environmental responsibility and workplace safety compliance with EU directive 2002/95/EC. **Performance Benefits:** Passive DAC technology eliminates power consumption compared to active cables, reducing operational costs and heat generation. The 1-meter length suits rack-to-rack connections and equipment-to-switch configurations typical in enterprise environments. Copper construction delivers superior performance versus fiber alternatives for short-reach applications. **Applications:** Ideal for high-speed server interconnects, storage arrays, load balancers, and cloud computing infrastructure. Provides cost-effective connectivity for enterprises leveraging Arista platforms in virtualized environments. **Compatibility & Support:** Directly compatible with Arista equipment, this cable replaces OEM part number CAB-Q-Q-100G-1M. Custom brand programming is available for enterprise deployments requiring standardized labeling and asset management. Backed by a 90-day limited warranty and available with free standard shipping on qualifying orders.