ISR4351-SEC/K9, Cisco ISR 4000 Router, 400Mbps throughput/3 WAN-LAN/3 SFP ports
Original price was: $7,000.00.$6,500.00Current price is: $6,500.00.ISR4431-AX/K9, Cisco ISR4431 Router, 500Mbps-1Gbps throughput/4 WAN-LAN ports/Multi-core CPU
Original price was: $9,000.00.$7,000.00Current price is: $7,000.00.ISR4351-V/K9, Cisco ISR 4000 Router, 400Mbps throughput/3 WAN-LAN/3 SFP ports
Original price was: $3,500.00.$2,900.00Current price is: $2,900.00.
| Product Code | ISR4351-V/K9 |
| Aggregate Throughput | 200 Mbps to 400 Mbps |
| Total onboard WAN or LAN 10/100/1000 ports | 3 |
| RJ-45-based ports | 3 |
| SFP-based ports | 3 |
| Enhanced service-module (SM-X) slot | 2 |
| NIM (Network Interface Modules) slots | 3 |
| Onboard ISC slot | 1 |
| Memory | 4 GB (default) / 16 GB (maximum) |
| Flash Memory | 4 GB (default) / 16 GB (maximum) |
| Power-supply options | Internal: AC, DC (roadmap), and PoE |
| Rack height | 2 RU |
| Dimensions (H x W x D) | 43.9 x 438.15 x 507.2 mm |
Description
The Cisco ISR4351-V/K9 is an enterprise-grade router from the Cisco 4000 Series Integrated Services Routers (ISR) lineup, designed to deliver reliable performance, advanced networking capabilities, and scalable connectivity for medium to large branch offices and enterprise edge environments. Built to support modern business operations, this router combines high-speed routing, integrated services, and flexible deployment options within a single powerful platform.
With up to 400Mbps throughput, the ISR4351-V/K9 ensures stable and efficient network performance for demanding business applications such as cloud services, VoIP communications, video conferencing, secure VPN connections, and large-scale data transfers. Its architecture allows multiple network services to run simultaneously while maintaining consistent speed and reliability, making it suitable for growing enterprise infrastructures.
The router features 3 WAN/LAN Gigabit Ethernet ports, enabling flexible network configurations including primary and backup connections, traffic segmentation, and load balancing. These connectivity options help organizations improve network resilience and ensure uninterrupted business operations through redundant connectivity designs.
In addition, the ISR4351-V/K9 includes 3 SFP (Small Form-factor Pluggable) ports, allowing high-speed fiber-optic connectivity. Fiber support enables long-distance communication and seamless integration with enterprise backbone networks, ensuring scalability for expanding organizations and distributed office environments.
Designed for enterprise networking, the ISR4351-V/K9 supports advanced routing and voice-enabled capabilities, making it suitable for organizations deploying unified communications solutions. The router efficiently manages voice and data traffic while maintaining network stability and performance through intelligent traffic handling and optimization features.
Powered by Cisco IOS XE software, the router provides advanced network management, automation, and programmability features. IT administrators can monitor network performance, configure services, and manage traffic efficiently through centralized management tools. Built-in Quality of Service (QoS) prioritizes critical applications such as voice and video communications, ensuring consistent performance even during peak usage.
The router’s modular and rack-mountable design allows easy expansion and integration with additional network modules, providing a future-ready networking solution that adapts to evolving business requirements. Enterprise-grade hardware ensures durability, long operational life, and dependable performance in demanding environments.
Whether deployed in a corporate branch office, enterprise edge location, or data communication infrastructure, the Cisco ISR4351-V/K9 delivers a scalable, reliable, and high-performance routing solution designed to support modern enterprise networking needs.





Reviews
There are no reviews yet.