Based on the new regulations in eu from 1st of july the very successful b series has been revised a completely new circuit layout and new components make it compliant to the regulations the biggest difference for the new b series is that it now only has a single rail 12v dc out with a max current of 30a this now means that all cooler master power supplies makes use of a single rail instead of multi rail main features 80 plus eu 230v certified silent 120mm sleeve fan with intelligent f