Cisco ISR 4351 (3GE,3NIM,2SM,4G FLASH,4G DRAM,IPB) ISR4351/K9

Description:

The Cisco ISR 4351 Integrated Services Router (ISR4351/K9) is used in enterprise and branch network infrastructures to provide secure routing, WAN connectivity, and integrated network services within a modular router platform. Commonly installed in corporate branch offices, enterprise WAN edge networks, data communication rooms, and distributed business environments where reliable routing and secure connectivity are required. Network administrators, IT maintenance teams, and system integrators use this router for network deployment, infrastructure upgrades, and replacement of legacy branch routers in modern enterprise communication systems.

Applications:

The Cisco ISR 4351 router is used in enterprise branch and distributed network environments where high-performance routing and secure WAN connectivity are required. It is commonly deployed in corporate offices, financial institutions, government agencies, and large retail networks to provide reliable connectivity between branch locations, data centers, and cloud services. The router supports integrated network services such as security, VPN connectivity, and application optimization, making it suitable for organizations that require scalable and secure network communication across multiple locations.

Technical Specifications:

• Manufacturer Part Number (MPN): ISR4351/K9
• Product Type: Integrated Services Router
• Series: Cisco ISR 4000 Series
• Processor: Multi-core processor architecture
• WAN / LAN Interfaces: 3 × Gigabit Ethernet ports
• Network Interface Module Slots: 3 × NIM slots
• Service Module Slots: 2 × SM slots
• Flash Memory: 4 GB flash storage
• System Memory: 4 GB DRAM
• USB Ports: 2 × USB ports
• Console Interfaces: RJ-45 console and USB console ports
• Security Features: Integrated firewall, VPN support, and advanced security services
• Operating System: Cisco IOS XE
• Throughput Performance: Up to approximately 400 Mbps base performance (upgradeable with license)
• Power Supply: Internal AC power supply
• Mounting Type: Rack-mountable chassis
• Operating Temperature: 0°C to 40°C
• Typical Installation: Enterprise branch offices, WAN edge networks, and corporate communication infrastructures

Common Replacements:

• Cisco ISR 4451-X Integrated Services Router
• Cisco ISR 4331 Integrated Services Router
• Cisco ISR 4321 Integrated Services Router