The JBX05669 4-meter 100GBASE-CR4 QSFP28 Passive DAC Cable represents an optimal solution for organizations seeking reliable, cost-effective high-speed connectivity within data centers and enterprise networks. This premium interconnect cable delivers consistent 100Gbps performance through its meticulously engineered 26AWG twinax copper construction, ensuring minimal signal degradation over its 4-meter reach. Designed with Cisco compatibility at its core, this passive DAC cable integrates seamlessly into existing network infrastructures featuring Cisco switches, routers, and line cards. The passive architecture eliminates active circuitry, delivering inherent advantages: reduced power consumption, minimized heat output, extended lifespan, and simplified troubleshooting. This makes it particularly valuable in high-density switching environments where thermal management and energy efficiency are critical considerations. Technical Excellence and Compliance: Manufactured to stringent IEEE 802.3bj and QSFP28 MSA standards, this cable undergoes rigorous qualification testing. Its dual QSFP28 connectors provide secure connections to compatible network equipment. Full RoHS compliance and TUV/UL certification ensure adherence to international safety and environmental standards, meeting EU directive 2002/95/EC requirements. Performance Characteristics: Operating temperature range of 0-70°C accommodates diverse deployment environments. The robust plastic jacketing protects copper conductors from physical damage and environmental interference. At 12x12x4 dimensions with 26AWG gauge, the cable balances flexibility with durability. Compatibility and Integration: Serves as drop-in replacement for Cisco OEM part numbers QSFP-100G-CU4M and MA-CBL-100G-4M, simplifying procurement and inventory management. Custom brand programming availability accommodates white-label requirements and organizational branding needs. Business Value: With free standard shipping on orders exceeding $99 and 90-day limited warranty coverage, this solution delivers compelling cost-benefit value. Manufactured in Vietnam and China with distribution from Danville, CA and Beaufort, SC ensures rapid deployment capability across North America. The JBX05669 represents an intelligent investment for organizations prioritizing reliability, compliance, and performance in their network infrastructure.