Description
The Cisco ISR4221-SEC/K9 is a secure, high-performance Integrated Services Router designed for small to medium-sized branch offices. Built with a compact, fanless form factor, it delivers reliable connectivity and advanced security features without compromising on space or energy efficiency. This model supports up to 35 Mbps of IPsec throughput and includes integrated WAN, LAN, and security services, making it ideal for organizations seeking consolidated network functionality. Its modular design allows for future expansion and flexibility with two Network Interface Module (NIM) slots and one enhanced service module (SM-X) slot.
Equipped with two built-in Gigabit Ethernet ports, the ISR4221-SEC/K9 also includes onboard encryption and a security license, enabling features like VPN, firewall, and intrusion prevention. Powered by a dual-core 800 MHz processor and 4 GB of default DRAM (upgradeable), it supports Cisco’s IOS XE software for advanced programmability and automation. The router includes 8 GB of flash memory and supports optional external storage for additional resilience. Ideal for buyers looking for dependable used network hardware, this router delivers enterprise-grade performance in a cost-effective and scalable platform.

