specification : sff compatible 300w power supply serial ata ready active pfc +5v standby at 2.0a +3.3v remote sensing smart fan temp-speed control energy star compliant ovp/otp/opp/uvp/ocp protection designed for the xpc dimension 190 x 82 x 43 mm (l x w x h) compatible xpc models: ss51g/ss56g/sb51g/sb52g2/sb61g2/sb61g2/sb62g2/sb65g2 /sb75g2 /sk41g/sn41g2/sn45g/sk43g/st61g4/sb83g5/sb83g5c/sb77g5/ss58g2