Replace Power Supply Upgrade 320W for Dell SFFCN-0YX301 CN-0XW605 Compatibility: Dell SFFCN-0YX301 CN-0XW605 Output Wattage: 320 W Connectors: 20+4 Pin Motherboard, 4-Pin CPU, 2x Molex, Floppy, 2x SATA Cooling: 80mm Cooling Fan w/ Double Ball Bearing Weight: 3 lb Input Voltage: 100/240 V This TFX 320W 20+4 Pin PC Power Supply will easily replace your old, broken, or lagging power supply. With this 320W Dell Inspiron 570S 580S TFX power supply, you can replace the PSU in a wide range of Dell desktops. 320W power! With 320W of steady computer power, this TFX Replacement 320W 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 320W power supply replacement for Dell SFFCN-0YX301 CN-0XW605 TFX will never overheat or burn out your system!