ISR4431-AX/K9 Cisco ISR 4431 4 x Ports 1000Base-T LAN + 4 x Ports SFP 1U Rack-mountable Advanced Service Router

The Cisco ISR 4431 Advanced Service Router delivers enterprise‑grade reliability and flexibility for growing networks, combining powerful processing with intuitive management tools that keep your business online and secure. Designed for seamless integration into any rack environment, it supports a wide range of wired and fiber connections, enabling rapid deployment of voice, video, and data services across multiple sites. Its robust security features protect critical traffic while its modular architecture lets you expand capacity as demand evolves, ensuring optimal performance without costly overhauls. Whether upgrading a branch office or building a new data center, this router provides the dependable, high‑throughput foundation you need to drive productivity and innovation.