Power Supply Upgrade 300 Watt for HP API4PC10 Compatibility HP API4PC10 Output Wattage 300 W Connectors 20+4 Pin Motherboard, 4-Pin CPU, 3x Molex, Floppy, 3x SATA Cooling 80mm Cooling Fan Weight 3 lb Input Voltage 100/240 V This TFX 300W 20+4 Pin PC Power Supply will easily replace your old, broken, or lagging power supply. With this TFX power supply, you can replace the PSU in a wide range of Dell desktops. 300W power! With 300W of steady computer power, this TFX Replacement 300W power supply can power both older PCs and custom builds with a wide range of peripherals.