A power conversion apparatus with modified cooling properties has been disclosed. The apparatus comprises an AC port, at least one DC port, a chassis, at least one power conversion module mounted in the chassis connectable to off-board conductors and the AC and the at least one DC ports, a module heat sink attached to each one of the at least one power conversion module for cooling the module, wherein the off-board inductors are mounted in the chassis together and separate from modules with one or more of an inductor heat sink and cooling fluid circulator for cooling the inductors.