Cisco ONE ISR 4331 Router C1-CISCO4331/K9 3xGE 2 NIM 4GB DRAM Edge

• Enterprise branch office WAN connectivity and secure internet breakout routing
• VPN aggregation for distributed workforce and remote site connectivity
• Retail enterprise network integration for POS and centralized application access
• Banking branch infrastructure for secure financial transaction routing
• Healthcare network connectivity for digital patient systems and compliance workloads
• Manufacturing plant IT/OT convergence and industrial connectivity
• Government branch communication networks with secure data routing
• Education campus branch networking and cloud-based learning platforms
• Regional office hybrid cloud connectivity and enterprise application delivery
• Disaster recovery and business continuity WAN edge routing architecture

• Enterprise ISR 4000 Series branch router designed for scalable WAN edge deployments
• 3 × Gigabit Ethernet interfaces enabling flexible enterprise LAN/WAN segmentation
• Dual NIM expansion slots enabling modular service growth and network customization
• 4GB DRAM supporting stable performance for enterprise routing and application traffic
• Secure VPN capability enabling encrypted communication across distributed sites
• Integrated firewall and security services supporting enterprise-grade threat protection
• Application-aware routing improving performance of critical business workloads
• Hybrid cloud connectivity support for modern distributed IT environments
• Centralized network management compatibility for operational efficiency
• Modular architecture reducing infrastructure replacement requirements
• Supports enterprise WAN optimization strategies for improved application delivery
• Designed for business continuity and high availability branch operations
• Enhances digital transformation initiatives through scalable network modernization
• Reduces total cost of ownership through long lifecycle deployment efficiency
• Optimized for secure multi-site enterprise connectivity and scalability

• Brand: Cisco
• Model: C1-CISCO4331/K9
• Series: Cisco 4000 Series Integrated Services Routers
• Product Type: Enterprise Branch Router
• Ethernet Interfaces: 3 × Gigabit Ethernet
• Expansion Slots: 2 × Network Interface Module (NIM) slots
• Memory: 4 GB DRAM
• Software Bundle: Cisco ONE™
• Operating System: Cisco IOS XE
• Security: K9 strong encryption
• Form Factor: Rack-mountable
• Use Case: Branch offices, WAN edge, multi-service enterprise networks

WHY CHOOSE THIS PRODUCT?

• Organizations select Cisco ONE ISR 4331 for its balanced combination of modular scalability, secure WAN connectivity, and enterprise-grade branch performance
• It is preferred over lower-tier routers due to enhanced expansion flexibility, stronger processing capacity, and improved service integration for growing network demands
• The platform supports VPN, hybrid cloud connectivity, and centralized management, making it suitable for modern distributed enterprise environments