Cisco ISR4351-V/K9 Enterprise Voice WAN Services Router

• Enterprise branch office networking
• Unified communications and IP telephony deployment
• Regional office WAN aggregation
• Secure site-to-site VPN connectivity
• Hybrid cloud edge infrastructure
• Retail multi-branch network connectivity
• Healthcare network modernization
• Financial services branch communications
• Government distributed office networking
• Business continuity and disaster recovery deployment

• Enterprise Integrated Services Router platform
• Voice-enabled configuration for unified communications
• Aggregate throughput up to 400 Mbps
• Three integrated Gigabit Ethernet ports
• Three integrated SFP ports
• Three Network Interface Module expansion slots
• One Enhanced Service Module slot
• Cisco IOS XE software compatibility
• Modular architecture for future expansion
• Supports secure VPN connectivity
• Optimized for hybrid cloud deployments
• High availability architecture for business-critical networks
• Supports infrastructure consolidation initiatives
• Designed for scalable enterprise branch growth
• Improves operational efficiency and investment protection

• Brand: Cisco
• Part Number: ISR4351-V/K9
• Product Family: Cisco ISR 4000 Series
• Product Model: ISR4351-V/K9
• Product Type: Integrated Services Router
• Bundle Type: Voice Bundle
• Aggregate Throughput: Up to 400 Mbps
• Integrated Gigabit Ethernet Ports: 3
• Integrated SFP Ports: 3
• Network Interface Module (NIM) Slots: 3
• Enhanced Service Module (SM-X) Slot: 1
• Data Plane Memory: 4 GB
• Control/Services Memory: 4 GB
• Maximum Control/Services Memory: 16 GB
• Flash Memory: 8 GB
• Maximum Flash Memory: 32 GB
• USB 2.0 Type-A Ports: 2
• USB Console Port: 1
• RJ-45 Console Port: 1
• RJ-45 Auxiliary Port: 1
• Power Supply: Internal AC or DC
• Form Factor: 2RU Rack Mount
• Operating System: Cisco IOS XE
• Online Insertion and Removal (OIR): Supported

WHY CHOOSE THIS PRODUCT?

• Cisco ISR4351-V/K9 is a strong choice for organizations that need a balance of enterprise routing performance, integrated voice capabilities, and modular scalability without moving to higher-end branch platforms. Compared with ISR4321 and ISR4331 models, it provides higher throughput, greater interface flexibility, and expanded service module capacity, making it well suited for growing branch environments. Compatibility with Cisco IOS XE, flexible deployment across traditional and hybrid cloud networks, and a modular upgrade path help reduce procurement risk, improve infrastructure longevity, simplify future expansion, and deliver measurable long-term ROI for enterprise IT investments.