The JBX05414 2.5m 40GBASE-CR4 QSFP+ passive direct attach copper cable represents the optimal solution for data center operators seeking reliable, high-speed interconnectivity without compromising on performance or cost-efficiency. Technical Specifications: This advanced passive DAC cable features a robust 2.5-meter length with 30AWG twinax copper conductors enclosed in protective plastic jacketing. The cable terminates in dual QSFP+ connectors, providing a secure, tool-free connection mechanism. It achieves 40GB data rates while maintaining full IEEE 802.3ba and SFF-8436 standards compliance, ensuring compatibility across enterprise-grade networking equipment. Performance Advantages: As a passive solution, this cable eliminates the latency and power overhead associated with active components. It's particularly suited for short-reach intra-datacenter connections where distance permits passive operation. The 2.5-meter length balances flexibility with the inherent limitations of passive technology, making it ideal for rack-to-rack or switch-to-switch connectivity. Extreme Networks Compatibility: Specifically engineered to replace OEM part numbers including 40G-DACP-QSFP2Z5M, 10312-250C, 40GB-C2.5-QSFP, and AA1404029-E6-250CM, this cable integrates seamlessly with Extreme Networks infrastructure without requiring firmware updates or compatibility adjustments. Certifications & Compliance: Full RoHS compliance and EU directive 2002/95/EC adherence ensure environmental responsibility. Comprehensive safety certifications from TUV and UL validate reliability and safety standards. The cable operates efficiently across temperatures from 0°C to 70°C, accommodating diverse data center environments. Value Proposition: Backed by a 90-day limited warranty and available with custom brand programming options, this cable delivers enterprise reliability at competitive pricing. Free standard shipping on orders over $99 makes it an accessible choice for growing infrastructure needs. Applications: Ideal for hyperscale data centers, cloud service providers, enterprise networks, HPC clusters, and financial institutions requiring dependable 40GB connectivity solutions. The passive design proves particularly valuable in environmentally-controlled data center facilities where thermal management is critical.