Designed to deliver more power than the original, this enhanced 350 Watt Power Supply is an ideal replacement for many compatible Dell computers. It offers dual 12V power rails to deliver stable power to demanding components, and both 20 and 24-pin ATX motherboard power connectors, and other component support for broad motherboard compatibility.The ATXPW350DELL is compatible with standard ATX style versions of following systems:Dimension Series Models: 3000 / 3100 / 4600 / 4700 / 8400 / 9100 / E310 / E510Optiplex Series Model: GX280Power Edge Series Model: SC420Precision Workstation Series Model: Model 370