The JBX05014 400GBASE-CR8 QSFP-DD DAC Cable represents enterprise-grade connectivity engineered for modern data center architectures. This 2.5-meter passive breakout cable bridges the gap between high-capacity QSFP-DD 400GB ports and dual QSFP56 200GB interfaces, enabling flexible network configurations without compromising performance. **Key Features:** Passive Design: Eliminates the complexity and cost of active electronics while maintaining full 400GB throughput capability. The direct attach copper architecture reduces power consumption and heat generation, making it ideal for dense switch deployments. Cisco Compatibility: Fully compatible with Cisco QDD-2Q200-CU2-5M specifications, ensuring seamless integration with existing Cisco infrastructure and guaranteed interoperability. Advanced Construction: 30AWG twinax copper with professional-grade plastic jacketing provides exceptional signal integrity, durability, and flexibility. The carefully engineered conductor geometry minimizes crosstalk and EMI for reliable high-speed transmission. **Technical Excellence:** Qualified to ETC 400GBASE-CR8 specifications with full compliance to QSFP-DD MSA and CMIS standards. Operating temperature range of 0-70°C accommodates various data center environments. The 2.5-meter length offers optimal reach within equipment cabinets and across adjacent racks without introducing latency or signal degradation. **Compliance & Quality:** Fully RoHS and ELV compliant with TUV and UL certifications, meeting stringent environmental and safety standards. Each cable undergoes rigorous testing to ensure compliance with Harmonization Code 8544.42.9090 specifications. **Ideal Applications:** Data center upgrades, hyperscale cloud environments, high-frequency trading networks, storage area networks (SAN), and enterprise switching fabrics. Perfect for organizations seeking cost-effective high-speed interconnect solutions without sacrificing performance or reliability. **Value Proposition:** Free standard shipping on orders over $99, 90-day limited warranty, custom brand programming available, and domestically shipped from Danville, CA or Beaufort, SC locations ensure rapid deployment and exceptional customer support.