What is nim in cisco?

Cisco C8200-1n-4t 8200 Router, 1X Nim Slot, 4X Ge, 8GB Mem nim slot Up to three integrated NIM slots on the Cisco ISR 4000 allow for flexible configurations NIMs support OIR, reducing downtime required for new or replacement nimo slot NIM Slot Divider for Cisco ISR 4000 SM-S-BLANK= Removable SM-X slot to NIM slot adapter NIM-SSD NIM Carrier Card for SSD drives SSD

slot raja 777 4321 with 2 onboard GE, 2 NIM slots, 1 ISC slot, 4 GB Flash Memory default, 4