Description
The Cisco ISR4351/K9 Integrated Services Router is a powerful solution designed for enterprise branch environments requiring high-performance, secure, and scalable network services. Housed in a 2RU form factor, this router features a modular design that supports up to three Network Interface Modules (NIMs), two Enhanced Service Modules (SM-X), and dual power supply options for redundancy. With built-in Gigabit Ethernet ports and support for up to 200 Mbps performance with services enabled, the ISR4351 is well-suited for demanding workloads such as voice, video, and cloud-based applications. Its quiet operation and robust build make it an ideal fit for office or data center deployments.
Technically, the ISR4351/K9 is powered by a multicore CPU architecture and includes 4 GB of default DRAM (upgradeable to 16 GB) and 4 GB of flash memory (expandable to 32 GB), ensuring smooth multitasking and future-proof scalability. Integrated security features such as VPN, firewall, and advanced threat defense are supported via Cisco IOS XE software. The router includes three onboard 10/100/1000 Ethernet ports and supports up to 2,000 VPN tunnels, making it suitable for large-scale secure connectivity. When purchasing used, buyers should verify the condition of key components like power supplies, interface modules, and software licensing to ensure the unit meets their deployment needs.