The JBX05322 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable represents an exceptional solution for high-speed data center networking. This 0.5m cable is specifically engineered to meet the demanding requirements of modern enterprise infrastructure, delivering reliable 40GB connectivity without compromising performance or budget. Key Features and Specifications: This passive DAC cable utilizes premium 30AWG twinax copper conductors, providing superior signal integrity and minimal attenuation across short to medium distances. The QSFP+ form factor ensures compatibility with Arista switches and compatible networking equipment. With IEEE 802.3ba qualification, this cable meets industry standards for 40 Gigabit Ethernet applications. Performance and Reliability: The passive design eliminates the need for signal amplification or external power, reducing energy consumption and heat generation in your data center. This translates to lower operational costs and improved overall system efficiency. Operating reliably between 0-70°C, the cable maintains consistent performance regardless of environmental conditions. Compliance and Safety: Full RoHS, TUV, and UL certifications ensure compliance with international safety and environmental standards. The EU directive 2002/95/EC (RoHS) compliance guarantees reduced hazardous substances in manufacturing, supporting sustainability initiatives. Applications and Use Cases: Ideal for data center interconnects, high-frequency trading environments, and enterprise server-to-switch connections. The 0.5m length is perfectly suited for rack-mounted equipment with minimal cable routing complexity. Value Proposition: Replacing OEM part number CAB-Q-Q-0.5M, this solution offers superior cost-effectiveness without sacrificing quality or performance. Backed by a 90-day limited warranty and supported by custom brand programming availability, it provides flexibility for enterprise deployments. Shipping and Availability: Ships from strategically located U.S. facilities (Danville, CA and Beaufort, SC) with free standard shipping on qualifying orders, ensuring quick delivery and reduced procurement costs.