The JBX05463 3-meter 40GBASE-CR4 QSFP+ passive direct attach copper cable represents an industry-standard solution for high-speed data center networking. Designed specifically for Arista-compatible equipment, this cable delivers exceptional performance and reliability for mission-critical network infrastructure. Product Specifications: The cable features a robust 30AWG twinax copper construction wrapped in protective plastic jacketing, providing optimal signal transmission while maintaining durability in active data center environments. Its QSFP+ to QSFP+ connector configuration ensures universal compatibility with standard network equipment. At 3 meters in length, it offers ideal reach for typical rack and cluster deployments without introducing signal degradation. Performance & Compliance: Qualified to IEEE 802.3ba specifications, this passive DAC cable supports full 40Gbps data rates with exceptional reliability. The passive design eliminates the need for external power, reducing complexity and operational costs compared to active alternatives. RoHS and TUV certifications confirm environmental responsibility and safety standards compliance, meeting EU directive 2002/95/EC requirements. Operating Characteristics: With an operating temperature range of 0-70°C (32-158°F), this cable performs reliably across diverse data center conditions. Its low-profile design and 12x12x3 dimensions integrate seamlessly into dense network configurations without obstructing airflow or consuming valuable rack space. Applications & Benefits: Ideally suited for data center interconnects, this cable reduces latency and eliminates signal loss compared to longer optical solutions. IT professionals and network administrators benefit from its plug-and-play installation, cost-effectiveness, and proven compatibility with Arista infrastructure. Whether upgrading existing deployments or building new high-performance networks, this cable delivers enterprise-grade reliability. Warranty & Support: Backed by a 90-day limited warranty and available from strategically located distribution centers in California and South Carolina, this product ensures rapid delivery and responsive customer support. Custom brand programming is available for organizations requiring specialized configurations. Note: This cable replaces OEM part number CAB-Q-Q-3M, offering exceptional value for organizations standardizing on compatible alternatives.