Cisco ISR 4331 3GE Router | Enterprise WAN, Modular, Security — CON-L14HR-IE40004G

Maintain branch uptime and consistent application access with the Cisco ISR 4331 platform. Designed for enterprise WAN edge deployments, it combines 3 Gigabit Ethernet ports with 2 NIM slots and 1 SM slot, giving IT teams room to adapt the router to changing access, voice, or service requirements without replacing the core platform. With 4 GB flash and 4 GB DRAM, the ISR 4331 is sized for routing tasks that demand more headroom than entry-level appliances can provide. That matters when the branch carries voice, business applications, and secure remote access on the same device. The modular design also helps standardize deployments across sites while preserving flexibility for different circuit types and service mixes. This model fits organizations that value lifecycle stability, consistent management, and a platform that can grow with the branch. It is a practical choice when the cost of downtime, truck rolls, or forced refreshes outweighs the price of a more capable router. Ideal For Branch office WAN edge routing for distributed enterprises Secure connectivity for retail, healthcare, or financial sites Modular branch deployments requiring interface expansion Standardized router refreshes across multi-site networks Why This Product 1 More modular than fixed-port branch routers 2 Better suited to multi-service sites than entry-level appliances 3 Designed for enterprise WAN edge standardization 4 Supports expansion through NIM and SM slots