Your ASUS Prime B450-m-a supports 4 CPU power pins.
Your ASUS Prime B450-m-a supports 4 CPU power pins.
Your Asus Prime B450-M-K should function with just four CPU power connectors if your Ryzen 5 2400G is compatible. Check the motherboard manual or manufacturer specs to confirm.
4 pins with one connector delivers 155W. 8 pins featuring two connectors provides 235W. The 2400G rating supports up to 65W—great job! Thanks to @i_build_nanosuits