The JBX06040 4-meter Arista compatible 10GBASE-CR SFP+ passive direct attach copper cable represents an optimal solution for organizations seeking reliable, cost-effective high-speed network connectivity. This premium-grade twinax cable is specifically engineered to meet the demanding requirements of modern data center and enterprise networking environments. Key Features & Specifications: The cable features 24AWG twinax copper conductors with protective plastic jacketing, delivering robust 10GB per second data transmission capabilities. Its passive design requires no external power, reducing infrastructure complexity and operational costs compared to active alternatives. The dual SFP+ connectors provide direct compatibility with Arista networking equipment and other SFF-8431 qualified systems. Technical Excellence: Qualified to industry-standard SFF-8431 and SFF-8472 specifications, this cable maintains signal integrity across its full 4-meter length. Operating temperature range of 0 to 70°C (32 to 158°F) ensures reliable performance in diverse environments. The construction incorporates copper connectors that provide superior conductivity and durability. Compliance & Certification: Fully RoHS compliant per EU directive 2002/95/EC, with TUV and UL safety certifications ensuring maximum reliability and environmental responsibility. These credentials make it suitable for regulated industries and sustainability-conscious organizations. Applications & Benefits: Ideal for interconnecting switches, servers, and storage systems in data centers, this cable eliminates latency concerns associated with fiber alternatives for short-reach applications. The 4-meter length provides flexibility for standard rack and cabinet configurations. As a direct replacement for Arista CAB-SFP-SFP-4M, migration is seamless. The passive architecture reduces heat generation and power draw, contributing to lower total cost of ownership. Free standard shipping on orders over $99, with 90-day limited warranty protection ensuring customer satisfaction and peace of mind.