Dell XPS 420 430 425W 425 Watts Power Supply C921D L425P-00 PS-7431-2DF-LF TP728 Dell L425P-00 Power Supply Part Number: PS-7431-2DF-LF DC Output: 425W Compatible Dell Part Numbers: C921D, 0C921D, CN-0C921D, TP728, 0TP728, CN-0TP728 Compatibel Dell system: XPS 420, 430