alright, i have another PSU myousa 500w, seems like its a good PSU, its not certified but it says 76% efficiency, Increased +12V DC output capability with dual +12v FC output, Quiet fan and sleeve bearing, be capable of 170v-270v AC input and be competent for tough input environment, full around proctetion circuit ( OCP, OVP, OPP, OTP, SCP, LVP) says all that in the box, what about this one, can i use an adaptor with this one?