Cisco ISR 4331 3GE, 2NIM, 1SM, 4G Flash, 4G DRAM | Enterprise Router — CON-PSUT-C13008FG

Keep branch sites connected with the Cisco ISR 4331, a compact integrated services router designed for enterprise edge environments that need dependable routing, modular expansion, and room for growth. Its 3 Gigabit Ethernet ports provide core connectivity, while 2 NIM slots and 1 SM slot support interface and service expansion as site requirements evolve. With 4 GB flash and 4 GB DRAM, the platform is sized for branch routing tasks that require stable local processing and configuration storage. That matters when the router is expected to anchor WAN access, support multiple services, and remain operational under real-world enterprise traffic patterns. This model fits organizations that want more than a basic access router. It is a practical choice for branch offices, distributed retail sites, and remote locations where network uptime, service flexibility, and Cisco platform consistency are worth paying for. For teams standardizing on ISR architecture, the 4331 offers a balanced mix of port availability, modularity, and deployment confidence. Ideal For Provide WAN edge connectivity for branch offices Support modular network services at distributed retail sites Standardize routing hardware across remote enterprise locations Run branch connectivity with room for interface expansion Why This Product 1 3 GE ports for core branch connectivity 2 2 NIM slots and 1 SM slot for modular expansion 3 4 GB flash and 4 GB DRAM for local platform resources 4 Cisco ISR platform for enterprise edge routing