This multi-purpose, 4 in 1 cable is the perfect solution whether you need to extend or convert your power supply's existing P4 ATX or EPS connector. Its practical and easy-to-use design allows it to be used in 4 different ways: EPS (4+4) 8-Pin Extension , P4 ATX 4-Pin Extension , EPS (4+4) 8-Pin to P4-12V 4-Pin Conversion or EPS (4+4) 8-Pin to P4 ATX 4-Pin Conversion . Professionally designed and manufactured to the highest quality, the Cable-M84M84F is the most practical cable extension/conversion for your power supply.