Cisco ONE ISR 4331 3GE 2NIM 1SM 4G Flash 4G DRAM | Enterprise Router — CON-L2NBD-6508AC2

Keep critical branch services online with Cisco ONE ISR 4331, a compact integrated services router designed for distributed enterprise networks. Its 3 Gigabit Ethernet ports provide a clean foundation for WAN and LAN connectivity, while 2 NIM slots and 1 SM slot give you the flexibility to add the interfaces and services your site requires as demand changes. With 4 GB flash and 4 GB DRAM, the platform is sized for dependable operation in environments where routing, security, and edge services must stay responsive. That matters when you are supporting remote offices, retail locations, or small campus segments that cannot afford frequent hardware refreshes or constrained expansion paths. This model is a strong fit when you want more than basic connectivity. The modular design helps preserve investment value by allowing targeted upgrades instead of full replacement. For infrastructure teams, that means fewer platform compromises, cleaner standardization, and a router that can support evolving branch requirements with less disruption. Ideal For Branch office routing for distributed enterprise sites Retail network edge deployments with modular expansion needs Remote office connectivity where space and standardization matter Small campus aggregation requiring flexible interface options Why This Product 1 More modular than fixed-port branch routers 2 Better suited for expansion than entry-level edge appliances 3 Designed for distributed sites needing service flexibility 4 Balances compact footprint with upgrade paths