The JBX06378 5-meter SFP28 Passive Direct Attach Copper (DAC) Cable represents the optimal solution for organizations seeking reliable, cost-effective 25 Gigabit Ethernet connectivity in their network infrastructure. This Cisco-compatible cable utilizes premium 26AWG copper twinax construction to deliver exceptional signal integrity and minimal insertion loss across its full 5-meter length. **Technical Excellence & Standards Compliance:** Qualified to IEEE 802.3by specifications and compliant with SFF-8402 and SFF-8472 industry standards, this cable meets the stringent requirements of enterprise networking environments. The dual SFP28 connectors ensure seamless integration with compatible switches, servers, and storage arrays. Full RoHS/ELV compliance and EU directive 2002/95/EC certification guarantee environmental responsibility and regulatory adherence. **Performance & Reliability:** Designed for 25GBASE-CR operation, this passive DAC cable eliminates the complexity and power consumption associated with active alternatives while maintaining superior performance. The copper construction provides excellent conductivity, reducing signal degradation and ensuring consistent data transmission. Operating reliably across the 0°C to 70°C temperature range, it's suitable for diverse data center environments from climate-controlled facilities to edge deployments. **Practical Value Proposition:** As a direct replacement for Cisco OEM part SFP-H25G-CU5M, organizations can achieve significant cost savings without sacrificing quality or performance. The 5-meter length accommodates typical rack-to-rack connectivity within data centers while remaining conveniently portable. RoHS and UL certifications ensure safety compliance and equipment longevity. **Ideal Applications:** Perfect for data center deployments, high-performance computing clusters, cloud infrastructure, and enterprise storage networking. Whether upgrading existing Cisco systems or establishing new 25G connectivity, this cable delivers dependable performance at a competitive price point. All units include a 90-day limited warranty, supported by free standard shipping on orders exceeding $99.