Rl Cube6 years ago000I bought a power supply that has 400W and the graphics card says you need 400W can I still use it or do I have to buy another power supply?Show in original language (German)alf9916 years ago ⢠purchased this product000purchased this product Helpful answerNot compulsory I also have it in a system with a 400w power supply unit and it runs great ðShow in original language (German)Comment1 comment