What are the mounting hole dimensions for my ATX power supply?


All power supplies should follow the ATX standard for mounting holes as outlined for industry wide compliance.
http://www.formfactors.org/developer%5Cspecs%5Catx2_2.PDF

All Cooler Master power supplies and cases follow the ATX Standard

ATX Standard mounting location based on ATX standard 2.2

All Cases follow this standard(image of MasterCase Series PSU Bracket)
User-added image