The JBX05165 5m 40GBASE-CR4 QSFP+ to 4x SFP+ Direct Attach Copper (DAC) Breakout Cable represents a premium networking solution designed for enterprise-level connectivity requirements. This passive breakout cable is specifically engineered to meet Dell's exacting standards and seamlessly replaces OEM part numbers 470-AAFD and 470-AAXH, ensuring perfect compatibility with Dell networking infrastructure. Key Technical Specifications: This cable features a robust 26AWG twinax copper construction with plastic jacketing, delivering exceptional signal integrity over its 5-meter span. Qualified to IEEE 802.3ba and SFF-8436 standards, it supports full 40Gbps data transmission rates essential for modern data center operations. The passive design eliminates power requirements, reducing heat generation and operational costs compared to active alternatives. Connectivity & Compatibility: The QSFP+ to 4x SFP+ configuration provides flexible port aggregation, allowing single high-speed connections to split into four independent lanes. This architecture supports various network topologies and simplifies upgrades to existing infrastructure. Compatible with Dell switches and networking equipment, the cable integrates seamlessly into established environments. Compliance & Safety: Full RoHS and ELV directive compliance (EU 2002/95/EC) ensures environmental responsibility and regulatory adherence. TUV and UL certifications validate safety performance, while SFP+ copper connectors guarantee durable, reliable connections. The cable operates reliably across 0-70°C temperature ranges, suitable for most data center environments. Deployment Benefits: As a passive solution, this DAC cable offers significant advantages: no power consumption, minimal latency, proven reliability, and exceptional cost-effectiveness compared to active optical alternatives. The 5-meter length accommodates typical rack and cabinet spacing in enterprise environments. RoHS certification meets evolving environmental regulations and corporate sustainability initiatives. Warranty & Support: Backed by a 90-day limited warranty and featuring custom brand programming availability, this cable provides peace of mind for enterprise deployments. Ships from multiple US locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99, ensuring accessible pricing and rapid delivery.