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