ISR4321/K9 CISCO ISR 4000 Series Router Module

ISR4321/K9 CISCO ISR 4000 Series Router Module Image 1

Cisco ISR4321/K9 Gigabit Integrated Services Router.

The Cisco ISR4321/K9 is a branch-class integrated services router from Cisco’s ISR 4000 series. It delivers routing, security, and application services in a single platform, with dual onboard Gigabit Ethernet WAN/LAN ports and support for modular expansion via Network Interface Modules (NIMs).

Designed for small to medium branch office deployments, the ISR 4321 serves as a WAN edge router providing secure connectivity to corporate networks, cloud services, and the internet. It supports Cisco IOS XE software, enabling advanced features such as application visibility, VPN termination, and SD-WAN capabilities.

The ISR 4321 offers aggregate throughput of up to 50 Mbps to 100 Mbps depending on licensing, making it suitable for sites with moderate bandwidth requirements. It includes two NIM slots for WAN interface expansion and supports a range of Cisco services modules.

Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

From the same manufacturer

Compatible with the same platform

Key FeaturesDual onboard Gigabit Ethernet ports; Two NIM expansion slots; Cisco IOS XE software; Integrated security and VPN services; SD-WAN ready
ApplicationsBranch office WAN connectivity; Secure VPN aggregation; Small to medium enterprise routing
CompatibilityCisco NIM modules; Cisco DNA licensing; Cisco SD-WAN (Viptela)
Specifications50-100 Mbps aggregate throughput; 2x onboard GE ports; 2x NIM slots; 4 GB default DRAM; Rack-mountable 1RU chassis
PlatformISR 4000 Series
ManufacturerCISCO

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