Cisco ISR4431-SEC/K9 Integrated Services 4431 Security Router
The Cisco ISR4431-SEC/K9 Integrated Services 4431 Security Router has four 1 Gigabit Ethernet RJ-45 network ports and four 1 Gigabit Ethernet SFP uplink ports. It comes with a standard memory of 4 GB, which can be expanded to a maximum of 16 GB.
The router also features an installed flash memory capacity of 8GB, expandable up to 32GB for IoS storage needs.
Cisco ISR4431-SEC/K9: ISR 4431 with 4x onboard GE, 3 NIM slots, 1 ISC slot, 8GB Flash Memory default, 2 GB DRAM default (data plane), 4 GB DRAM default (control plane).