Coolmax I-500 500W ATX 12V V 2.0 Power Supply abjhd Coolmax I-400 400W ATX 12V V 2.0 Power Supply (not Compatible with PCI-E) Coolmax I-400 400W ATX 12V V 2.0 Power Supply with 1x80 mm Low Noise Cooling Fan Help others learn more about this product by uploading a video! abjhd BrandCoolmaxCompatible DevicesPersonal ComputerConnector TypeAtx, pci-eOutput Wattage 500.0 WattsForm Factor240-pin Coolmax I-400 400W ATX 12V V 2.0 Power Supply with 1x80 mm Low Noise Cooling Fan Model Name14800BrandCoolmaxCompatible DevicesPersonal ComputerConnector TypeAtx, floppy, pci-e, sataOutput Wattage 400.0 Watts Coolmax I-500 500W ATX 12V V 2.0 Power Supply(not compatible with PCI-E) Coolmax I-400 400W ATX 12V V 2.0 Power Supply (not Compatible with PCI-E)