The JBX05136 1-meter 400GBASE-CR8 QSFP-DD direct attach copper cable represents an exceptional value for organizations seeking reliable, high-speed network connectivity without active power consumption. This passive DAC cable is engineered to the IEEE 400GBASE-CR8 standard, delivering consistent 400GB data transmission rates suitable for modern data center architectures. **Technical Excellence:** Constructed with precision 30AWG twinax copper conductors and encased in protective plastic jacketing, this cable provides superior signal integrity essential for ultra-high-speed data transmission. The passive design eliminates the need for external power sources, reducing complexity and operational costs while maintaining exceptional performance. **Universal Dell Compatibility:** This cable directly replaces Dell OEM part number 470-ACTR and serves as a compatible alternative to 470-ADXJ, 470-ACUL, and 470-ADYU, making it an ideal upgrade or replacement option for existing Dell infrastructure without requiring configuration changes. **Certification & Compliance:** Fully compliant with RoHS/ELV standards and EU Directive 2002/95/EC, this cable meets TUV and UL safety certification requirements, ensuring your organization maintains regulatory compliance across all networking installations. These certifications guarantee environmental responsibility and user safety. **Optimal Operating Conditions:** Rated for operating temperatures from 0 to 70°C (32 to 158°F), this cable performs reliably in standard data center environments. The robust construction withstands typical deployment scenarios while maintaining consistent performance characteristics. **Ideal Applications:** • Data center infrastructure upgrades • High-performance computing (HPC) environments • Cloud service provider networks • Enterprise telecommunications systems • Direct server-to-switch connections **Value Proposition:** Choosing this passive DAC cable over active alternatives provides significant cost savings while delivering equivalent performance for short to medium-distance deployments. At 1 meter, this length is ideal for rack-to-rack and switch-to-server connections. Backed by a 90-day limited warranty and supported by free standard shipping on orders exceeding $99, the JBX05136 offers exceptional reliability and value. Sourced from quality manufacturers in Vietnam and China, this cable combines affordability with enterprise-grade performance standards that IT professionals depend on.