So i have a b550 phantom gaming 4 motherboard which has 2 atx12v power connectors, but the power supply i have only has the 4+4 cable (rm650x) , is the extra 4 pin cable needed?
Ryzen 5 3600
B550 phantom gaming 4
2x8gb 3600mhz XLR8 RAM
I apologise if any terminology is wrong