Answer: You shouldn't use this to power a 12v CPU connector... I don't know why this was even made like it is. You have one power wire being converted into 4 wires and thus your mobo will pull more amps to squeeze the power from one cord into 4 and cause electrical problems... Think of it as a water pump designed to draw water from one hose but is being forced to draw it from 4 hoses... overworked and eventually failure