What is an ATX PSU

ATX 450W Desktop Non-Modular PSU Power Supply

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What Is a PSU? What is an ATX Power Supply?

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HDPLEX 250W is the World's Smallest Fanless ATX Power Supply Unit

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Black 600W ATX PC Power Supply PSU With 12CM Quiet Fan And PCI-E 6+2-Pin / 6 x SATA / 24-PIN / 8-PIN 12V / 3 x MOLEX / 1 x Floppy : : Computers & Accessories

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UniQue 400 Watt ATX Power Supply Unit

What Is a PSU? What is an ATX Power Supply?