The JBX05412 2.5m Dell Compatible 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable represents a reliable, cost-effective solution for high-speed data center networking. Engineered to Dell specifications, this passive DAC cable delivers consistent 40GB ethernet performance without the overhead and expense of active components. Design and Construction: The cable features premium 30AWG twinax copper conductors wrapped in durable plastic jacketing. This construction provides excellent electromagnetic shielding and signal integrity, critical for maintaining reliable 40G connections over the 2.5-meter distance. The passive design eliminates the need for power supplies or signal conditioning, reducing total cost of ownership while maintaining exceptional performance. Technical Specifications: Compliant with IEEE 802.3ba and SFF-8436 standards, the JBX05412 supports full 40GBASE-CR4 specifications. The cable operates across a temperature range of 0-70°C, suitable for standard and climate-controlled data center environments. Each connector features copper-based QSFP+ interfaces for optimal electrical connectivity. Compatibility and Use Cases: Perfectly matched for Dell infrastructure, this cable directly replaces OEM part number 02-SSC-0382-2.5M. It's ideal for: • Switch-to-server connections • Server-to-storage array links • High-speed cluster interconnects • Data center network upgrades • Enterprise backbone connectivity Compliance and Certification: Fully RoHS compliant per EU directive 2002/95/EC and certified by TUV and UL, ensuring safety and environmental responsibility. The cable meets rigorous industry standards for reliability and performance. Value Proposition: The passive design requires no external power, reducing energy consumption and cooling requirements. This translates to lower operational costs compared to active solutions. The straightforward installation and proven Dell compatibility make integration seamless. Backed by a 90-day limited warranty, with convenient shipping options including free standard shipping on orders over $99.