Atx Power Supply Wiring Diagram

By | August 23, 2023

An ATX power supply is a type of power supply unit (PSU) that is used in desktop computers. It is the most common type of PSU used in modern PCs, and it is also used in some other types of electronic devices, such as servers and workstations.

ATX power supplies are typically rated in watts, and the most common wattages are 450W, 550W, 650W, and 750W. The wattage rating of a power supply indicates the maximum amount of power that it can supply to a computer.

ATX power supplies have a standard 24-pin connector that plugs into the motherboard, and they also have a number of other connectors for powering other components in the computer, such as the CPU, graphics card, and hard drives.

The wiring diagram for an ATX power supply is a schematic that shows how the different components of the PSU are connected together. The wiring diagram can be used to troubleshoot problems with a power supply, or to identify the correct way to connect the PSU to a computer.

The following is a simplified wiring diagram for an ATX power supply:

ATX power supply wiring diagram

The following is a table that describes the different connectors on an ATX power supply:

| Connector | Pins | Description | |---|---|---| | 24-pin ATX | 24 | Connects to the motherboard | | 4-pin ATX12V | 4 | Connects to the motherboard | | 8-pin EPS12V | 8 | Connects to the CPU | | 6-pin PCIe | 6 | Connects to a graphics card | | 4-pin Molex | 4 | Connects to a hard drive or other device | | 3-pin SATA | 3 | Connects to a hard drive or other device |

For more information on ATX power supplies, please refer to the following resources:

* [ATX Power Supply Wikipedia Article](https://en.wikipedia.org/wiki/ATX_power_supply) * [ATX Power Supply Specification](https://www.intel.com/content/dam/www/public/us/en/documents/specifications/atx-specification-rev-2-4-1.pdf) * [ATX Power Supply Tutorial](https://www.howtogeek.com/193535/how-to-choose-and-install-a-power-supply-for-your-pc/)


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