The JBX05203 2-meter 40GBASE-CR4 QSFP+ to SFP+ Direct Attach Copper cable represents an ideal connectivity solution for modern data center infrastructures requiring high-speed, reliable network performance. As a passive breakout DAC cable, it eliminates the need for expensive active optics while delivering impressive 40Gbps data rates with minimal latency and power consumption. **Technical Excellence:** This cable features professional-grade 30AWG twinax copper conductors engineered to IEEE 802.3ba specifications. The QSFP+ connector breakout design enables one 40G port to simultaneously connect four 10G SFP+ ports, maximizing port density and infrastructure flexibility. The 2-meter length accommodates typical rack-to-rack and top-of-rack deployments while maintaining signal integrity. **Compatibility & Performance:** Fully compatible with Arista networking equipment and qualified as a direct replacement for part number CAB-Q-S-2M, this cable integrates seamlessly into existing deployments. The passive breakout architecture eliminates thermal concerns associated with active solutions, supporting extended operating temperatures from 0°C to 70°C. **Enterprise-Grade Certifications:** This product meets stringent RoHS and ELV compliance requirements under EU Directive 2002/95/EC, ensuring environmental responsibility. TUV and UL safety certifications guarantee reliable performance in production environments. The 90-day limited warranty provides peace of mind for enterprise deployments. **Use Cases:** Ideal for data centers, cloud computing facilities, and high-performance computing environments requiring cost-effective 40G connectivity. Perfect for network upgrades, lab testing, and production deployments where passive DAC reliability is essential. **Ordering & Support:** Qualifies for free standard shipping on orders exceeding $99. Ships from convenient US locations in California and South Carolina. Custom brand programming available for volume OEM orders.