The JBX05072 represents cutting-edge data center connectivity designed for demanding network environments. This 2.5-meter 400GBASE-CR8 QSFP-DD to 8x SFP56 passive breakout Direct Attach Copper cable delivers robust 400Gbps performance while maintaining exceptional reliability and cost efficiency. **Technical Excellence** Constructed with precision 28AWG copper conductors and premium plastic jacketing, this cable ensures minimal signal degradation over its entire 2.5-meter length. The design adheres strictly to ETC 400GBASE-CR8 specifications and CMIS MSA standards, guaranteeing optimal compatibility with enterprise switching infrastructure. The copper connector architecture provides superior conductivity and longevity compared to alternatives. **NVIDIA Mellanox Compatibility** Direct replacement for NVIDIA Mellanox OEM part number MCP7F80-W02AR26, this cable integrates seamlessly into existing data center ecosystems. Whether upgrading legacy systems or building new infrastructure, compatibility is guaranteed with Mellanox-based network deployments. **Enterprise-Grade Reliability** Operating across the full 0-70°C temperature range, this cable withstands demanding data center conditions. It holds RoHS compliance, TUV certification, and UL safety certification, meeting stringent environmental and safety directives including EU Directive 2002/95/EC (RoHS). **Cost-Effective Performance** As a passive DAC solution, this cable eliminates power consumption and thermal issues associated with active alternatives. The breakout configuration enables efficient port density expansion, making it ideal for applications requiring 8x SFP56 connectivity from a single QSFP-DD port. **Practical Applications** Perfect for high-performance computing clusters, cloud infrastructure, machine learning environments, and enterprise data centers requiring reliable short-reach connectivity. The 2.5-meter length accommodates typical rack-to-rack distances within data center topologies. **Support & Warranty** Backed by a 90-day limited warranty and available with custom brand programming options. Ships from strategically located US facilities (Danville, CA or Beaufort, SC) with free standard shipping on orders exceeding $99. Choose this QSFP-DD breakout cable for uncompromising performance, reliability, and value in your 400G network infrastructure.