ISR4331/K9: Cisco ISR 4331 Integrated Services Router

The Cisco ISR4331/K9 is an ISR 4300 series router with three onboard Gigabit Ethernet ports, two NIM slots and one SM-X service-module slot.

It ships with 4 GB of RAM and 4 GB of flash, both expandable to 16 GB, and the 1RU chassis takes internal AC or PoE power options. Base forwarding is 100 Mbps and rises to 300 Mbps with the performance license.

ISR4331/K9 specifications: onboard ports 3 x 10/100/1000 (RJ-45 and SFP options); nim slots 2; sm-x slot 1; default memory 4 GB DRAM, expandable to 16 GB; flash 4 GB, expandable to 16 GB; form factor 1RU.