The JBX06396 0.5m 25GBASE-CR SFP28 Passive Direct Attach Copper Cable represents a premium solution for enterprise networking infrastructure requiring high-speed, low-latency connectivity. This meticulously engineered cable is purpose-built for Arista-compatible network environments, delivering exceptional performance in demanding data center deployments. **Superior Design & Construction:** Crafted with precision 30AWG twinax copper conductors and protective plastic jacketing, this cable ensures optimal signal transmission while maintaining durability in active network environments. The passive DAC (Direct Attach Copper) design eliminates the need for power-consuming active components, reducing overall system complexity and operational costs. **Technical Excellence:** Fully certified to IEEE 802.3by standards and compliant with SFF-8402 and SFF-8472 specifications, this cable guarantees compatibility with industry-standard SFP28 transceivers. Operating reliably across temperatures from 0°C to 70°C, the cable maintains consistent performance in diverse data center conditions. **Environmental & Safety Compliance:** This product meets RoHS directives (EU 2002/95/EC) and carries multiple safety certifications including TUV and UL approvals. International manufacturing standards ensure quality consistency whether sourced from Vietnam or China. **Ideal Applications:** Perfect for server-to-switch connections, switch-to-switch inter-connectivity, and storage array deployments requiring 25 Gigabit performance. The 0.5-meter length provides flexibility for short-run deployments while minimizing cable management complexity. **Value Proposition:** This cable replaces Arista OEM part number CAB-S-S-25G-0.5M at a competitive price point. The 90-day limited warranty provides confidence in your investment, while free shipping on qualifying orders adds immediate value. **Specifications Summary:** Data Rate: 25GB | Form Factor: SFP28 | Cable Type: Passive DAC | Gauge: 30AWG | Length: 0.5m | Dimensions: 12x12x2mm | Temperature Range: 0-70°C