Cisco ISR 4331 3GE Router, 4 GB Flash, 4 GB DRAM | Enterprise WAN — CON-L1NBD-AIRAP28B

Keep branch operations online with a Cisco ISR 4331 platform designed for dependable WAN edge routing. This configuration combines 3 Gigabit Ethernet ports with 2 NIM slots and 1 SM slot, giving infrastructure teams room to adapt the router to changing access, voice, or service requirements without replacing the platform. With 4 GB flash and 4 GB DRAM, the system is sized for enterprise routing tasks that demand consistent responsiveness and room for Cisco IOS features. The ISR 4331 family is commonly selected for branch deployments where uptime, service continuity, and modularity matter more than low-cost commodity hardware. This model is a strong fit when you need a router that can anchor a remote site, support segmented traffic flows, and integrate into a larger Cisco-managed network. It is built for teams that value a known platform, predictable lifecycle planning, and the ability to expand services through network and service modules as requirements grow. Ideal For Branch office WAN edge routing Remote site connectivity for distributed teams Modular network expansion with NIM-based interfaces Cisco-managed enterprise branch deployments Why This Product 1 More modular than fixed-port branch routers 2 3 GE ports support core site connectivity 3 2 NIM slots and 1 SM slot add deployment flexibility 4 4 GB flash and 4 GB DRAM suit enterprise routing tasks