Brand: Cisco · SKU: ISR4351-K9 · MPN: ISR4351-K9 · Category: Networking

Cisco ISR4351/K9 router is built for growing enterprises that require secure, high-performance networking. Part of the Cisco 4000 Series, it delivers reliable connectivity, application-aware services, and flexible expansion to support branch offices, WAN optimization, and evolving business network demands with confidence and control.
| Brand | Cisco |
|---|---|
| Ports | 3GE, 3NIM Slots |
| Memory | 4GB DRAM |
| Series | 4000 Series |
| Storage | 4GB Flash |
| Category | Enterprise Networking |
| Warranty | 3 Years |
| Interfaces | Ethernet, Console, WAN |
| Form Factor | Rackmount |
| Product Name | ISR4351/K9 |
| Product Type | Router |
| Warranty | 3 years |
ISR4351 K9 Router delivers enterprise-grade routing, security, and scalability for modern business networks. Designed within the Cisco 4000 Series, it features three Gigabit Ethernet ports, multiple NIM and service module slots, and onboard flash and DRAM to support advanced routing, voice, and security services. This integrated services router is ideal for branch offices that need consistent performance, high availability, and future-ready expansion. It supports demanding workloads while maintaining network stability and control across distributed environments. Organizations sourcing enterprise networking hardware through Server Tech Central benefit from clear product specifications, competitive pricing, and a streamlined procurement process that supports long-term infrastructure planning and operational reliability.
Yes, this Cisco ISR4351/K9 4000 Series Integrated Services Router 3GE, 3NIM Slots, 2SM, 4G FLASH, 4G DRAM (ISR4351-K9) is 100% genuine Cisco hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Cisco ISR4351/K9 4000 Series Integrated Services Router 3GE, 3NIM Slots, 2SM, 4G FLASH, 4G DRAM includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the ISR4351-K9.