Check your motherboard's specifications to see if it supports aRGB.
Check your motherboard's specifications to see if it supports aRGB.
It features a 12V RGB port, though you're unsure if it supports 5V. The note mentions argb uses 5V.
Check the site for the motherboard details: https://www.msi.com/Motherboard/B450M-MORTAR-MAX 2 x 5050 RGB LED strip 12V connectors