Cisco ISR 4331 3GE, 2 NIM, 1 SM, 4 GB Flash | Enterprise Router — CON-L2NB3-ASRIPSHW

Keep critical branch traffic on course with the Cisco ISR 4331. Built for enterprise WAN edge deployments, it combines 3 Gigabit Ethernet ports with 2 NIM slots and 1 SM slot, giving teams room to adapt the router to changing site requirements without replacing the platform. The 4 GB flash and 4 GB DRAM configuration supports the software footprint expected in managed branch environments, while the ISR 4331 architecture is designed for secure routing, service integration, and operational continuity at the edge. For organizations standardizing on Cisco infrastructure, this model fits well where uptime, remote manageability, and controlled expansion matter more than low-cost commodity hardware. It is a practical choice for branch offices, distributed retail, and remote sites that need a router with enough headroom for routing services and modular add-ons. The result is a platform that helps protect network investments while supporting the performance and flexibility enterprise teams expect from a premium branch router. Ideal For Branch office WAN edge routing Distributed retail network connectivity Remote site infrastructure standardization Modular branch services deployment Why This Product 1 More expansion flexibility than fixed-port branch routers 2 Cisco platform fit for standardized enterprise deployments 3 3 GE ports support core branch connectivity 4 2 NIM slots and 1 SM slot add deployment flexibility