The JBX06518 0.5m SFP56 Direct Attach Copper Cable represents the pinnacle of high-speed networking connectivity. Specifically designed as a compatible alternative to Cisco's OEM SFP-50G-CU0.5M, this cable delivers exceptional performance in demanding data center and enterprise environments where 50Gbps connectivity is mission-critical. **Technical Excellence** This passive Direct Attach Copper cable features premium 30AWG twinax construction with precision-engineered SFP56-to-SFP56 connectors. The copper-based design ensures optimal signal transmission with minimal attenuation, while the plastic jacketing provides robust protection in high-density rack environments. Operating efficiently across 0°C to 70°C temperature ranges, the cable maintains consistent performance in diverse deployment scenarios. **Key Features & Benefits** - **50GBASE-CR1 Compliance**: Full compatibility with 50Gbps Ethernet standards - **Passive Technology**: No external power required, reducing operational costs - **Compact 0.5m Length**: Perfect for switch-to-server or switch-to-switch connections in tight spaces - **RoHS & TUV Certified**: Meets EU environmental directives and international safety standards - **Cisco Compatible**: Direct SFP-50G-CU0.5M replacement for seamless upgrades - **90-Day Warranty**: Manufacturer-backed reliability guarantee **Ideal Applications** This cable excels in data center networking, cloud infrastructure, high-performance computing (HPC) environments, and enterprise server rooms requiring ultra-low latency connections. Whether upgrading existing Cisco systems or building new 50GB networks, this DAC cable provides uncompromising quality. **Why Choose This Cable** Unlike fiber optics requiring expensive transceivers, passive DAC cables deliver superior cost-effectiveness for short-reach deployments. The proven copper twinax design eliminates compatibility concerns while delivering enterprise-grade reliability. With free standard shipping on qualifying orders and domestic availability from dual distribution centers, you get fast delivery without premium costs. **Technical Specifications** Length: 0.5 meters | Connectors: SFP56-SFP56 | Cable Gauge: 30AWG | Data Rate: 50Gbps | Form Factor: SFP56 | Material: Copper with plastic jacketing | Compliance: RoHS, EU Directive 2002/95/EC | Temperature Operating Range: 0-70°C | Country of Origin: Vietnam, China Choose reliability, compatibility, and performance. The JBX06518 SFP56 DAC cable is your trusted solution for next-generation network infrastructure.