What is 24 pin Molex connector?

What is 24 pin Molex connector?

ATX 24-pin 12V Power Supply Pinout 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.

What is a 24 pin ATX power connector?

An ATX style connector is a replacement for the older P8 and P9 AT style connector. 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. However, if you have a 24-pin connection on your motherboard all 24-pins need to be connected.

Why is there a pin missing on my 24 pin connector?

Most likely it is because the -5V rail has been removed from modern power supplies. If your power supply unit has an empty pin on the 24 pin connector (see picture above), then your unit does not have a -5V rail.

What is 24 pin connector used for?

A 24-pin power supply adds an extra line each of 3.3 volts, 5 volts, and 12 volts, as well as an additional ground. These extra lines are used to satisfy the needs of newer technologies and more power-hungry peripherals. They also replace older 12 volt auxiliary connectors found on some 20-pin motherboards.

Can I use a 20 pin PSU 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 the purpose of the 4 pin Molex connector?

The standard “Molex” 4-pin connector is a power connector used in computers to power peripheral data drives. It has a 5V and 12V power supply, and ground wires for each.

What is a 4 pin peripheral connector?

Peripheral Power Cable (4 Pin) A peripheral power cable is used to connect the older IDE hard drives and cd/dvd drives to the power supply. These peripheral power connectors were the original power cables in a computer and were used most commonly for hard drives or cd drives.

What is ATX 4 pin?

The ATX 4 pin power supply connector is a standard motherboard power connector used to provide +12 VDC to the processor voltage regulator.

What is the name for the 4 pin fan connectors?

A four pin connector is a little different than the three pin connector since it has the extra (fourth) wire used for controlling and sending signals to the fan, which likely has a chip on it that tells it to slow down or speed up (in addition to the other wires the three pin connector has). Three Wire and Four Wire Fan Connectors