The ATX 24-pin power supply connector is the standard motherboard power connector in computers today. The connector itself is a Molex 39-01-2240 connector, often called a Molex Mini-fit Jr.

Can I use a 20 pin ATX power supply on a 24 pin motherboard?

“… you can plug a 20 pin cable into a 24 pin motherboard and it will work just fine. At least, it will for a while. They added those extra 4 pins for a reason. When you plug a 20 pin cable into a 24 pin connector you’re not providing the extra current carrying capacity which may be needed by the motherboard.

What is ATX style?

An ATX style connector is a replacement for the older P8 and P9 AT style connector. It is one of the largest connectors inside a computer. A power supply with a 24-pin connector can be used on a motherboard with a 20-pin connector by leaving the four additional pins disconnected.

What connects to a 24 pin connector?

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. Thankfully, almost all 24-pin power connectors are designed so that four of the pins can be detached or moved out of the way.

What is a 24 pin power connector?

A 24-pin power supply is a type of computer power supply using a 24-pin primary connector. Older power supplies came equipped with only a 20-pin primary connector. The extra four pins provide additional power to the computer’s motherboard, which in turn provides power to internal components.

What is a CPU power connector?

CPU Power Connectors. Power for the processor comes from a device called the voltage regulator module (VRM), which is built into most modern motherboards. This device senses the CPU voltage requirements (usually via sense pins on the processor) and calibrates itself to provide the proper voltage to run the CPU.