300 Watt Replacement Power Supply for SFF Replace the power supply in your Dell Studio Slim 540s 537s 560s SFF with this high quality unit. Compatibility Dell Studio Slim 540s 537s 560s SFF Output Wattage 300 W Connectors 20+4 Pin Motherboard, 4-Pin CPU, 3x Molex, Floppy, 3x SATA Cooling 80mm Cooling Fan w/ Double Ball Bearing 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 300W replacement power supply to upgrade your Dell Studio Slim 540s 537s 560s SFF. 300W power! With 300W of steady computer power, this TFX Replacement 300W power supply can power both older PCs and new custom builds with a wide range of peripherals. Easy cooling systems! With a passive 80mm cooling fan, this 300W TFX Replacement PSU will never overheat or burn out your system!