ISR4331/K9 Cisco ISR 4331 (3GE,2NIM,1SM,4G FLASH,4G DRAM,IPB)
ISR 4331 with 3 onboard GE, 2 NIM slots, 1 ISC slot, 1 SM slots, 4 GB Flash Memory default, 4 GB DRAM default

Info Produk : https://www.cisco.com/c/en/us/products/collateral/routers/4000-series-integrated-services-routers-isr/data_sheet-c78-732542.html