Sadly, I've searched far and wide for an answer to your question, and I have found nothing of the sort. I have, however, come to the conclusion that this build comes equipped with a >500W PSU. I've done some calculations taking account for all the components in this computer, and I've found that ~473W would be the bare minimum for the internals, so 500W would be plenty for the computer. I really wish I could give you my answer with certainty, but I'm not entirely sure I'm right. Just know that I'm positive this computer is rocking a PSU that is fit for the hardware in this machine.