The Cisco ISR4451-X/K9 is a high-performance integrated services router designed for enterprise branch offices. It offers up to 2 Gbps aggregate throughput, supporting a wide range of services including security, unified communications, and application optimization. The router features four built-in Gigabit Ethernet ports, three Network Interface Module (NIM) slots, and two Enhanced Service Module (SM-X) slots, providing flexibility for various network configurations. It also includes an Integrated Services Card (ISC) slot for additional services and supports up to 16 GB of DRAM and 32 GB of flash memory, ensuring scalability for future needs. citeturn0search2
