Power Connector 20 Pin Motherboard

Main power connector for the motherboard.

Power connector 20 pin motherboard.

Almost all of the new power supplies used today feature a 24 pin power connector to connect to a computer motherboard however some motherboards still feature a 20 pin atx power connection. Eps 12v 8pin atx 12v. The main power connector or the 20 pin power cable is the most important cable that proceeds from the power supply. Required for all pentium 4 processor based systems.

The original 20 pins were unchanged. Recommended by v2 03 of the atx specification for motherboard s requiring 250w or 300w supplies. The standard atx power connector. Originally the motherboard was powered by one 20 pin connector.

An 8 pin or 4 4 pin auxiliary connector providing additional power to the cpu and a main 24 pin power supply connector an extension of the original. The industry standard atx power supply to motherboard main connector is the molex 39 29 9202 or equivalent 20 pin atx style connector see figure 3 7. To use the older 20 pin power supply cable on a 24 pin motherboard connection. The image above shows the 20 pin power cable plugged into a 24 pin motherboard.

It is the power connector that sends electricity to the motherboard. Thankfully almost all 24 pin power connectors are designed so that four of the pins can be detached or moved out of the way. This connector from the atx power supply can only be fitted in one way. If you need to use a 24 pin power supply connector on a motherboard that only accepts a 20 pin cable there are a number of online retailers where you can purchase a 24 pin to 20 pin adapter like this startech adapter from amazon.

Atx power connector on the motherboard consists of two rows of 10 pins. A 4 pin 12v power connector. Some motherboards allow the reverse. On a 20 4 pin connector four of the pins are on a separate block making it reverse compatible with the older motherboards that require only a 20 pin connector.

A 20 pin power cable only fits into one end of a 24 pin motherboard connector so you can t insert it incorrectly. Power supply units can have up to three power connectors. The atx atx12v power supply. Provides additional power to the cpu.

First used in the atx form factor power supply it also is used in the sfx form factor or any other atx based variations. A 6 pin aux power connector. 1 x 20 pin connector at the power supply cable. 1 x 20 pin molex 39 29 9202 connector at the motherboard.

An atx power supply provides a number of peripheral power connectors and in modern systems two connectors for the motherboard. 4 pin atx12v connects to the motherboard atx 12v socket. This page will show what the 20 pin power connector looks like and explain how to install it. Install the main power cable.