Provide secure, direct Internet access, and optimize the user experience with Cisco SD-WAN, and manage and operate your WAN from a single dashboard
8 GB Flash and 4 GB DRAM allows you to store 2 Cisco IOS Software images on the router, providing sufficient performance for the high speeds and throughputs
Two network interface modules (NIM) allow you to add or exchange slots to increase or adjust the ISR 4221's capabilities to fit your needs
The ISR 4221 is a smaller and more compact model within the 4000 ISR family. It has a quieter fan, compared to other routers its size
Get reliable service with consitent Gigabit performance