Optiplex replace power supply - Dell OptiPlex GX280 PC Desktop

Hello Jacey,
Below are the system specs for the power supplies that are installed in each chassis of the GX280 system. You can call the Dell Spare Parts
Department at 1-877-717-3355 or click the link below.

Spare Parts Department

Wattage small form-factor computer: 160 W
small desktop computer: 210 W
small mini-tower computer with processor speeds of 3.2 GHz or lower: 250 W
small mini-tower computer with processor speeds of 3.4 GHz or higher: 305 W Heat dissipation small form-factor computer: 546 BTU/hr
small desktop computer: 717 BTU/hr
small mini-tower computer with processor speeds of 3.2 GHz or lower: 853 BTU/hr
small mini-tower computer with processor speeds of 3.4 GHz or higher: 1041 BTU/hr Voltage fixed-voltage power supply-110 V at 50/60 Hz manual selection and auto-sensing power supplies-90 to 135 V at 50/60 Hz; 180 to 265 V at 50/60 Hz; 100 V at 50/60 Hz for Japanese computers

Thank You,
Dell-Jesse L
Dell Social Media and Communities