atx power supplies Power Supply Universal Laptop Power Adapter
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300 Watt ATX Power Supply - UL Listed

Product Number 300WPS-UL

300 Watt ATX Power Supply - UL Listed


The power supply comes with the connectors shown. If you need additional connectors you may add from the list below:
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Having trouble making a selection? See our article on Choosing a Power Supply.

Key Features:

  • Internal relay & external switch for switching on/off
  • Selectable 110V or 220V switch
  • Full Support for P4 & AMD CPU's
  • Product Description:

    This 300 Watt power supply from is UL Listed. Internal relay inside the power supply is actuated by the power switch connected to your motherboard. Also this 300 Watt ATX power supply has an external switch. As you can see by the connectors this is an AMD and P4 compatible power supply.

    Easily converts from 20 to 24 pin atx connector to adapt to your application... an excellent 20 pin to 24 pin atx connector adapter.

    Looking to upgrade? Try this power supply. It's 630 watts and provides needed power when upgrading video cards or adding devices to your computer.

    Technical Specs:

    • ATX Form factor
    • 5.75" Wide X 3.25" Tall X 5.5" Deep
    • One ATX 2.03 connector (20 and 24 pin)
    • One 12V connector for P4 motherboards
    • Four IDE 4 PIN connectors
    • One Floppy 4 PIN connector

    Additional Specifications:


    300 Watts

    ORANGE +3.3V 14A
    RED +5V 20A
    WHITE -5V 0.5A
    YELLOW +12V 13A
    BLUE -12V 0.8A
    PURPLE +5V SB 2A

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