The JBX05722 5m 100GBASE-CR4 QSFP28 passive direct attach copper cable represents the ideal solution for organizations requiring cost-effective, high-speed interconnectivity in data center and enterprise network environments. This Ruckus-compatible cable combines proven passive DAC technology with premium engineering to deliver exceptional value and reliability. **Technical Specifications & Performance** Designed to support 100GB Ethernet transmission, this QSFP28 DAC cable meets or exceeds IEEE 802.3bj standards and QSFP28 MSA requirements. The 26AWG twinax copper construction provides superior signal quality while maintaining flexibility for installation in congested server racks and cable trays. With a 5-meter length, it accommodates both intra-rack and immediate inter-rack connectivity needs without signal degradation. **Key Advantages of Passive DAC Technology** Unlike active cables requiring external power sources, this passive DAC eliminates power consumption and associated cooling demands, reducing total cost of ownership. The absence of active components means fewer failure points, enhanced reliability, and straightforward plug-and-play installation. Passive DACs represent the industry standard for short-reach, high-bandwidth applications. **Build Quality & Durability** The robust plastic jacketing protects copper conductors from environmental stress, electromagnetic interference, and physical damage. Operating reliably across 0°C to 70°C temperature ranges ensures consistent performance in various deployment conditions. Manufactured in Vietnam and China with rigorous quality control, this cable withstands rigorous enterprise-grade usage patterns. **Compliance & Standards Certification** Fully RoHS compliant and qualified under EU directive 2002/95/EC, this cable meets stringent environmental and safety standards. TUV and UL certifications confirm adherence to international safety requirements. The cable's design supports the IEEE 802.3bj specification for QSFP28 connectivity, ensuring compatibility across vendor ecosystems. **Ideal Applications** Perfect for data center upgrades, high-performance computing clusters, and enterprise network expansions requiring 100GB connectivity. The Ruckus compatibility makes it an excellent choice for organizations standardizing on Ruckus switching infrastructure. Suitable for storage area networks (SANs), backup operations, and bandwidth-intensive applications. **Warranty & Support** Backed by a 90-day limited warranty, this cable offers confidence in its reliability. Free standard shipping on orders exceeding $99, with convenient fulfillment from Danville, CA or Beaufort, SC locations. Custom brand programming available for organizations with specific labeling requirements.