Cisco ISR 4331 SP-AR1-C9410R9A | Enterprise Routing, Branch WAN — SP-AR1-C9410R9A

Keep distributed sites connected with the Cisco ISR 4331, a branch routing platform designed for dependable WAN edge performance. Its 3 Gigabit Ethernet ports provide core connectivity, while 2 NIM slots and 1 SM slot give you room to adapt the chassis to changing site requirements. With 4 GB flash and 4 GB DRAM, the platform is sized for routing tasks that need stable local resources without unnecessary overhead. This model fits environments where branch traffic, remote access, and site-to-site connectivity must stay predictable. It is a practical choice for IT teams standardizing on Cisco infrastructure and looking for a router that can anchor a small to midsize branch with room for modular expansion. The hardware profile supports disciplined deployment planning, making it easier to align network capability with the needs of a specific office, clinic, retail site, or remote operations hub. For organizations that value consistency at the edge, the ISR 4331 offers a clear balance of interface density, modularity, and memory resources. It is built to serve as a stable routing foundation for business-critical connectivity, helping reduce the risk of under-specifying branch infrastructure. Ideal For Branch office WAN edge routing Remote site connectivity for distributed teams Retail or clinic network aggregation Standardized Cisco branch infrastructure rollout Why This Product 1 More modular than fixed-port branch routers 2 Sized for distributed site routing, not desktop networking 3 Includes 2 NIM slots for expansion planning 4 Built on Cisco ISR 4331 branch architecture