Cisco ONE ISR 4321 Router C1-CISCO4321/K9 2xGE 2 NIM 4GB DRAM

• Enterprise branch office WAN connectivity and secure internet access
• VPN termination for distributed workforce and remote connectivity
• Retail chain connectivity for POS systems and centralized applications
• Banking branch networking with secure transaction routing
• Healthcare facility connectivity for patient systems and digital records
• Manufacturing plant connectivity for OT and IT convergence
• Government branch office secure communication infrastructure
• Education campus branch networking and digital learning access
• Regional office hybrid cloud connectivity and application delivery
• Disaster recovery network edge routing and backup connectivity

• Enterprise Integrated Services Router designed for branch WAN edge deployments
• 2 × Gigabit Ethernet ports enabling flexible LAN and WAN connectivity
• Modular architecture with 2 NIM slots for service expansion and scalability
• 4GB DRAM supporting stable performance for enterprise routing workloads
• Secure VPN-ready platform for encrypted branch-to-branch communication
• Integrated firewall and security services for enterprise network protection
• Application-aware routing for optimized business-critical traffic handling
• Supports hybrid cloud connectivity for modern distributed IT environments
• Designed for business continuity with resilient WAN edge architecture
• Enables infrastructure consolidation by integrating multiple network functions
• Supports scalable branch growth without full hardware replacement cycles
• Improves operational efficiency through centralized network management compatibility
• Reduces total cost of ownership in long-term enterprise deployments
• Supports enterprise-grade routing for multi-site connectivity strategies
• Optimized for digital transformation and network modernization initiatives

• Brand: Cisco
• Part Number: C1-CISCO4321/K9
• Product Type: Integrated Services Router
• Series: Cisco ISR 4000 Series
• Processor: Not specified in provided data
• Ethernet Ports: 2 × Gigabit Ethernet (10/100/1000)
• Memory (DRAM): 4GB
• Flash Memory: Not specified in provided data
• Expansion Slots: 2 × NIM (Network Interface Module) slots
• Routing Protocols: Static routing and dynamic routing (feature dependent)
• Security Features: Firewall, VPN support, license-based security services
• Management: Centralized network management and monitoring support
• Deployment: Rack-mountable enterprise branch installation
• Application Support: Voice, video, data, and WAN optimization capabilities
• Operating System: Not specified in provided data

WHY CHOOSE THIS PRODUCT?

• Organizations choose Cisco ONE ISR 4321 when they need a balanced branch router that combines secure connectivity, modular expansion, and stable enterprise performance in a single platform
• It is preferred over entry-level routers due to its 4GB memory capacity and dual NIM expansion capability, enabling better scalability for growing branch demands
• The platform supports secure VPN connectivity, centralized management, and application-aware routing, making it suitable for modern hybrid enterprise networks
• Its modular design allows enterprises to extend capabilities without replacing core infrastructure, improving lifecycle efficiency and reducing upgrade costs
• From a procurement perspective, it delivers strong ROI through long-term deployment stability, reduced operational complexity, and alignment with enterprise network modernization strategies