Replace Power&reg; 350W TFX Power Supply Upgrade Replacement for Dell Inspiron 530s, 531s, 537s, 540s, 545s, 560s, Vostro 20 High Quality Replace Power PSU Use to replace your dead power supply 350 Watt for adding additional devices Additional Connectors for great Compatibility (1) 4 Pin Floppy Connector, (1) PCI-Express 6 Pin Connector