atx power supplies Power Supply Universal Laptop Power Adapter
Power Supplies are our specialty, and we are the power supply authority! Over 26,000 variations of high quality and hard to find power supplies in stock. We carry desktop and laptop power supply replacements for all manufacturers including Astec, Bestec, Compaq, Dell, Delta, Emachine, FSP, Gateway, Hipro, HP, Liteon, Newton, Power Man, Shuttle, and Sparkle. Try our power supply cross reference and our laptop power supply cross reference to find the right power supply for your machine.
Power Supplies - ATX Contact ATXPowerSupplies.com Order Status Checkout Power Supply Cross Reference Laptop Power Supply Cross Reference

 

300 Watt ATX Power Supply

Product Number 300WPS

300 Watt ATX Power Supply

This 300 watt power supply has been discontinued and replaced with this
400 Watt Power Supply.
Having trouble making a selection? See our article on Choosing a Power Supply.

 

Key Features:

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

Product Description:

This 300 Watt power supply is one of our top selling. Internal relay inside the power supply is actuated by the power switch connected to your motherboard. As you can see by the connectors this 300 watt power supply is P4 and AMD compatible.

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 4.75" Deep
  • One ATX 2.03 connector
  • One 12V connector for P4 motherboards
  • Four IDE 4 PIN connectors
  • Two Floppy 4 PIN connectors

Additional Specifications:

  Output 300 Watts
ORANGE +3.3V 22A
RED +5V 30A
YELLOW +12V 14A
BLUE -12V 0.8A
PURPLE +5V SB 2A
BLACK COM RETURN
GREEN PS ON REMOTE
GREY PW OK PG

Copyright © 2018 ATXPowerSupplies.com
142 Jodie Williams Road, Suite ATXPS
DeRidder, LA 70634
Phone: 800-458-1606