The JBX05723 2.5-meter 100GBASE-CR4 QSFP28 passive direct attach copper (DAC) cable represents a cost-effective, high-performance solution for modern data center networking requirements. Engineered with precision to Arista specifications, this twinax cable delivers exceptional reliability and performance in mission-critical environments. **Technical Specifications & Performance:** Designed to IEEE 802.3bj standards and QSFP28 MSA specifications, this cable supports full 100GB Ethernet transmission with minimal signal degradation. The 28AWG twinax copper construction ensures optimal impedance matching and signal integrity across the entire 2.5-meter length. Operating reliably across a 0°C to 70°C temperature range, it accommodates diverse data center thermal conditions. **Construction & Durability:** Precision-engineered copper conductors are protected by resilient plastic jacketing, offering protection against physical damage while maintaining flexibility for installation in constrained spaces. The QSFP28-to-QSFP28 connector configuration provides secure, latching connections with minimal insertion loss. **Compliance & Certification:** Fully RoHS compliant and adherent to EU directive 2002/95/EC, this cable meets stringent environmental and safety standards. TUV and UL certifications validate electrical safety and performance reliability across demanding applications. **Arista Compatibility:** Direct replacement for Arista OEM part number CAB-Q-Q-100G-2.5M, ensuring seamless integration with existing Arista infrastructure without compatibility concerns or performance compromises. **Cost-Effective Solution:** As a passive DAC cable, the JBX05723 eliminates expensive active components, reducing total cost of ownership while delivering active-equivalent performance. This makes it an excellent choice for budget-conscious enterprises seeking premium connectivity. **Ideal Applications:** • Rack-to-rack server interconnectivity • Switch-to-switch high-speed links • Storage array connectivity • High-performance computing clusters • Data center fabric expansion **Warranty & Support:** Backed by a 90-day limited warranty and available from Danville, CA and Beaufort, SC distribution centers for rapid deployment. Custom brand programming available for OEM integration requirements. Invest in reliable, standards-compliant 100GB connectivity that delivers years of dependable service in your data center infrastructure.