CISCO ISR 4321 with 2 onboard GE, 2 NIM slots, 1 ISC slot, 4 GB Flash Memory default, 4 GB DRAM default SL-4320-IPB-K9 PWR-4320-AC CAB-AC-C5 MEM-FLSH-4G MEM-4320-4G NIM-BLANK
CISCO ISR 4321 with 2 onboard GE, 2 NIM slots, 1 ISC slot, 4 GB Flash Memory default, 4 GB DRAM default SL-4320-IPB-K9 PWR-4320-AC CAB-AC-C5 MEM-FLSH-4G MEM-4320-4G NIM-BLANK