The JBX05916 7-meter 200GBASE-CR4 QSFP56 direct attach copper (DAC) breakout cable represents a cost-effective, high-performance solution for modern data center networking infrastructure. Designed specifically for compatibility with NVIDIA Mellanox networking equipment, this cable delivers exceptional reliability and performance for demanding network environments. **Technical Specifications:** This active breakout DAC cable supports 200GB data rates and features dual QSFP56 connectors, enabling flexible topology configurations. The 26AWG twinax construction provides optimal impedance matching and signal integrity across the full 7-meter length. IEEE 802.3cd and QSFP56 MSA certification ensures broad compatibility and future-proofing of your network investment. **Key Features:** - Direct replacement for NVIDIA Mellanox MCA7J50-H007R - 200GBASE-CR4 high-speed connectivity - Copper construction with plastic jacketing for durability - Operating temperature range: 0°C to 70°C (32°F to 158°F) - Compact 12x12x7 dimensions for flexible installation - RoHS, TUV, and UL safety certifications **Applications:** This breakout DAC cable is ideal for data center interconnects, high-performance computing clusters, storage area networks (SANs), and enterprise switching infrastructure. Its breakout configuration allows single 200GB ports to be split into multiple 100GB connections, providing network flexibility and cost savings compared to individual cables. **Compliance & Quality:** Fully compliant with EU RoHS Directive 2002/95/EC and featuring comprehensive safety certifications, this cable meets the strictest environmental and safety standards. Ships with a 90-day limited warranty, backed by free standard shipping on orders exceeding $99. **Why Choose This Cable:** Compared to optical alternatives, direct attach copper cables offer lower latency, simpler deployment, and reduced total cost of ownership. The NVIDIA Mellanox compatibility ensures seamless integration with your existing infrastructure, while the proven 26AWG construction guarantees reliable long-term performance in production environments.