Cisco ISR 4461 with 4 onboard GE, 3 NIM slots, 1 ISC slot, 3 SM slots, 8 GB Flash Memory default, 2 GB DRAM default (data plane), 4 GB DRAM default (control plane)
Cisco ISR 4461 Voice Bundle
Cisco ISR 4461 Security Bundle
Cisco ISR 4461 AXV Bundle
Cisco ISR 4461 with AppX license
Cisco ISR 4221 AX Bundle w/APP, SEC lic
Cisco ISR 4321 AXV Bundle, with CUBE-10, IPBase, APP, SEC and UC licenses.
Cisco ISR 4431 AXV Bundle.PVDM4-64 w/APP.SEC.UC lic.CUBE-25
ISR 4321 with 2 onboard GE, 2 NIM slots, 1 ISC slot, 4 GB Flash Memory default, 4 GB DRAM default
500Mbps-1Gbps system throughput, 4 WAN/LAN ports, 4 SFP ports, multi-Core CPU, Dual-power, Security, Voice, WAAS, Intelligrnt WAN, OnePK, AVC, separate control data and services CPUs