The JBX05074 2-meter 400GBASE-CR8 QSFP-DD to 8x SFP56 direct attach copper cable represents a cutting-edge solution for modern data center networking infrastructure. This breakout DAC (Direct Attach Copper) cable is specifically designed to replace the Juniper QDD-8x50G-2M OEM component, offering certified compatibility with Juniper switches and network equipment requiring 400GB connectivity. **Technical Excellence & Construction:** Built with premium 28AWG twinax copper conductors encased in durable plastic jacketing, this cable delivers superior signal integrity and minimal attenuation. The passive design eliminates power consumption concerns, making it an environmentally conscious choice for energy-conscious data centers. Manufactured in Vietnam and China with rigorous quality control, the cable meets exacting industry standards for high-speed data transmission. **Standards Compliance & Certification:** Fully qualified to IEEE ETC 400GBASE-CR8 specifications and compliant with QSFP-DD MSA and CMIS standards, this cable guarantees interoperability with certified equipment. RoHS (EU Directive 2002/95/EC) and ELV compliance ensures environmental responsibility, while TUL and UL safety certifications provide additional assurance. The 90-day limited warranty adds purchase confidence. **Performance Specifications:** With a 2-meter length and operating temperature range of 0-70°C (32-158°F), this cable is optimized for both hot and moderately warm data center environments. The QSFP-DD to 8x SFP56 connection architecture enables efficient port aggregation and link breakout scenarios, allowing flexible network configuration without additional transceivers. **Ideal Applications:** Perfect for enterprise data centers, cloud infrastructure, high-performance computing clusters, and network backbone deployments requiring 400GB connectivity. Organizations upgrading to next-generation switching infrastructure benefit from cost savings by eliminating active optics while maintaining superior performance. **Shipping & Support:** Qualify for free standard shipping on orders exceeding $99. Ships from dual locations (Danville, CA and Beaufort, SC) ensuring rapid delivery. Custom brand programming available for enterprise deployments requiring OEM-specific configurations.