The JBX05249 7-meter 40GBASE-CR4 QSFP+ passive direct attach copper cable represents an intelligent investment in data center infrastructure. Designed specifically for Dell environments, this twinax cable delivers 40GB data rates with the reliability and performance required in mission-critical network deployments. **Key Features & Benefits:** This passive DAC cable eliminates the complexity and power requirements of active solutions while delivering comparable performance. The 26AWG copper conductor provides optimal signal transmission with minimal insertion loss, ensuring clean, reliable data transfer over the 7-meter span. The plastic jacketing protects against environmental factors while maintaining flexibility for installation in tight server rack configurations. **Technical Excellence:** Fully compliant with IEEE 802.3ba standards and qualified to SFF-8436 specifications, the JBX05249 meets rigorous industry requirements. RoHS and TUV certifications confirm adherence to environmental and safety directives (EU 2002/95/EC), essential for organizations prioritizing sustainability and regulatory compliance. The cable operates reliably across a 0-70°C temperature range, accommodating typical data center thermal environments. **Dell Compatibility:** Engineered as a drop-in replacement for Dell OEM part numbers 470-AAFG and 470-AAXI, this cable integrates seamlessly with existing Dell infrastructure without compatibility concerns or firmware issues. **Ideal Applications:** Perfect for server-to-switch, switch-to-switch, and high-performance computing cluster interconnects. The 7-meter length suits mid-range rack configurations common in enterprise data centers. As a passive solution, it's particularly cost-effective for deployments where numerous cables are required. **Support & Warranty:** Backed by a 90-day limited warranty and manufactured in Vietnam and China using stringent quality controls. Custom brand programming is available for OEM requirements. Ships from multiple U.S. locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99, reducing total acquisition costs. Choose the JBX05249 for proven 40GB connectivity that balances performance, compliance, and cost-efficiency in professional networking environments.