Expanded Versatility for SF Power Supplies The improved CORSAIR SFX to ATX Adapter Bracket is designed to offset the mounting location of your SF Series™ or SFX power supply instead of mounting it in the center of the bracket. The bracket design allows efficient flush-to-case PSU placement enabling more space inside any standard ATX case. Contents and Specifications Package contents SFX to ATX Bracket. x4 screws. Compatibility SF450, SF600, SFX PSUs.