The JBX05812 100GBASE-CR4 QSFP28 Passive Direct Attach Copper Cable represents the ideal solution for organizations seeking reliable, cost-effective high-speed networking connectivity in demanding data center environments. This professional-grade 0.5-meter cable combines cutting-edge technology with proven reliability to support next-generation network infrastructure requirements. Cable Design & Construction: This passive DAC cable features robust 30AWG twinax copper construction wrapped in durable plastic jacketing, providing excellent electromagnetic shielding and signal integrity. The compact 0.5-meter length offers flexibility in equipment spacing while maintaining optimal signal quality. QSFP28 to QSFP28 gold-plated connectors ensure secure, corrosion-resistant connections that maintain performance over extended operational periods. Performance & Compatibility: Qualified to IEEE 802.3bj specifications and compliant with QSFP28 MSA and SFF-8665 standards, this cable delivers certified 100GB transmission speeds. Arista compatibility ensures seamless integration with enterprise-grade switching equipment. The passive architecture eliminates power consumption, reducing operational costs and heat generation in densely populated data center switch cabinets. Technical Specifications: • Data Rate: 100GB • Connector Type: QSFP28 to QSFP28 • Cable Length: 0.5 meters • AWG: 30 (twinax copper) • Operating Temperature: 0-70°C (32-158°F) • Compliance: RoHS, TUV, UL certified • EU Directive: 2002/95/EC compliant • Warranty: 90-day limited warranty • OEM Equivalent: CAB-Q-Q-100G-0.5M Applications & Use Cases: Ideal for data centers, cloud service providers, enterprise networks, and high-performance computing environments. Supports cost-effective direct-attached storage (DAS), switch-to-switch interconnects, and server-to-switch connectivity without active components. The passive design makes it suitable for high-density installations where power efficiency and heat dissipation are critical concerns. Value Proposition: By choosing this Arista-compatible DAC cable, organizations benefit from reduced total cost of ownership compared to active optical solutions, while maintaining the reliability and performance standards required for mission-critical infrastructure. Free standard shipping on orders over $99 and flexible warehouse locations (Danville, CA and Beaufort, SC) ensure fast, economical delivery. Custom brand programming is available for organizations requiring OEM-specific configurations. Invest in proven connectivity technology that delivers reliable, high-speed performance for your data center infrastructure today.