The JBX05108 2m Arista-compatible 400GBASE-CR8 QSFP-DD Direct Attach Copper Cable represents a premium solution for enterprise data center networking requirements. This passive DAC cable is specifically designed as a direct replacement for the Arista CAB-D-D-400G-2M, ensuring perfect compatibility with Arista switches, routers, and networking infrastructure. Key Features: Construction: High-quality 28AWG twinax copper conductors with protective plastic jacketing provide durability and optimal signal integrity. The compact 12x12x2 dimension profile fits seamlessly into dense equipment layouts. Operating Temperature: Functions reliably across 0-70°C, suitable for both standard and elevated data center environments. Compliance & Standards: Qualified to ETC 400GBASE-CR8 specifications and QSFP-DD MSA standards. Holds RoHS/ELV certification per EU Directive 2002/95/EC, TUV, and UL safety certifications, making it compliant with international regulatory requirements. Performance & Benefits: 400GB Data Rate: Supports full-speed 400GB Ethernet transmission for maximum throughput. Passive Technology: Eliminates power consumption and heat generation compared to active cables. Cost-Effective: Provides superior value versus active alternatives while maintaining reliability. Plug-and-Play: QSFP-DD to QSFP-DD direct connection requires no external power or configuration. Applications: Ideal for high-speed data center interconnects, switch-to-switch communications, and server connectivity. Perfect for financial services, cloud computing, research institutions, and enterprise environments requiring ultra-low latency, high-bandwidth networking. Warranty & Support: Backed by a 90-day limited warranty. Custom brand programming available for OEM requirements. Ships from Danville, CA and Beaufort, SC locations with free standard shipping on orders over $99, ensuring rapid delivery and cost efficiency.