Cisco C1-CISCO4431/K9 ISR4431 Router 4GE 3NIM 8GB Flash

• Enterprise branch office networking
• Secure WAN edge connectivity
• Hybrid cloud integration
• Unified communications deployment
• Multi-site retail network infrastructure
• Financial institution branch connectivity
• Healthcare campus networking
• Government office WAN deployment
• Manufacturing facility network modernization
• Business continuity and disaster recovery connectivity

• Cisco ONE enterprise software package included
• 4 integrated Gigabit Ethernet interfaces
• 3 NIM expansion slots for deployment flexibility
• 8GB onboard flash storage
• Enterprise Integrated Services Router architecture
• Supports secure WAN connectivity
• Designed for hybrid cloud networking
• Optimized for enterprise branch deployments
• Scalable modular platform for future expansion
• Supports centralized network management
• Enables application-aware network services
• Improves operational efficiency through service consolidation
• Compatible with virtualization and cloud initiatives
• Supports enterprise security integration
• Built for long-term infrastructure modernization

• Brand: Cisco
• Part Number: C1-CISCO4431/K9
• Model: C1-CISCO4431/K9
• Series: Cisco ISR 4000 Series
• Product Family: Cisco ONE ISR
• Product Type: Integrated Services Router
• Ethernet Ports: 4 × Gigabit Ethernet
• Network Interface Module Slots: 3 NIM Slots
• Flash Memory: 8 GB
• Software Package: Cisco ONE
• Routing Platform: Enterprise Branch Router
• Deployment: Branch Office and WAN Edge
• Application Support: Voice, Video and Data Services
• Routing Support: Cisco IOS XE
• Security Features: Integrated Security Services
• VPN Support: Supported
• Management: Centralized Network Management
• Rack Mountable: Yes
• Recommended Use: Enterprise Branch, Hybrid Cloud and Distributed Networks
• Business Focus: Secure Connectivity, Infrastructure Modernization and Operational Efficiency

WHY CHOOSE THIS PRODUCT?

• Organizations select the Cisco ONE ISR4431 because it combines enterprise routing, software-defined networking capabilities, and modular expansion within a single platform that adapts to changing business requirements.
• Compared with smaller ISR 4300 Series models, its four Gigabit Ethernet ports, three NIM expansion slots, and larger flash capacity provide greater deployment flexibility, infrastructure longevity, and investment protection.
• The Cisco ONE software package simplifies licensing while supporting secure branch networking, cloud connectivity, unified communications, and enterprise application delivery across distributed environments.
• From a procurement perspective, it offers an excellent balance of scalability, lifecycle value, upgrade readiness, and operational efficiency, making it a strategic platform for long-term enterprise network modernization initiatives.