ATX TO MOTHERBOARD extension cable lengthens the connection between an existing power supply and the 24 pin connection on a motherboard 24 PIN POWER CABLE extends the power connector from a ATX power supply to a motherboard power connection to provide strain relief on the connections of your computer case components CABLE MANAGEMENT SOLUTION to route the motherboard power cable away from a CPU fan to improve air flow in a tower case; Male end connects to the power cable of the PSU and female end plugs directly into the motherboard