Where Do I Plug in Case Fans on Motherboard (New Research)


I personally prefer manual control of my fans with my fingers over letting software control the case fans, as it helps keep the noise down.

The standard 4 pin power connector from the power supply or an adapter board that changes the standard power supply connector into a pin header connector akin to what is found on a motherboard are the two most common methods for connecting fans directly to a power supply.

In actual use, 3-pin fans can control voltage, but the voltage can’t turn to change the fan RPM at all or as accurately as 4-pin fans.

Do Case Fans Plug Into Motherboard or Psu

  • Go ahead and plug your fans into your motherboard, advice like that is what you see in youtube comments.
  • Power fan is for your PSU.
  • On some units, the fan will be speed variable; this is where you plug it into your motherboard to control the speed.
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Can You Plug Fans in Anywhere on the Motherboard

A standard consumer fan should be connected to one of the motherboard’s multiple 3 or 4-pin fan headers, which your motherboard will most likely have at least two or three of. Any one of these headers can and will power a fan just fine.

any one of these headers can and will power a fan just fine

Where Do I Plug in Pc Fans

The two fan headers on your motherboard will be labeled SYS_FAN (System Fan) and CHA_FAN (Chassis Fan). If you have a high-end motherboard that supports additional fans, you might also be able to find other headers.

Do Case Fans Plug Into Power Supply

You can use either the 4-pin molex direct from the power supply or the 3-pin motherboard connector with those fans, as they are either/or.

go ahead and plug your fans into your motherboard advice like that is what you see in youtube comments 1

Why Do Pc Fans Have 2 Plugs

Two connectors are attached to the supplied fans’ wires, one of which is a standard 3- or 4-pin female (with holes) fan connector and the other of which is a male 4-pin Molex (possibly with only two pins mounted in it) meant to connect to a female 4-pin Molex output from the power supply.

How Do You Wire Case Fans

Just connect one of the fans to the adapter’s 3 pin connector.

i personally prefer manual control of my fans with my fingers over letting software control the case fans as it helps keep the noise down 1

Whats the Difference Between 3 Pin and 4 Pin Fans

In actual use, 3-pin fans can control voltage, but the voltage can’t turn to change the fan RPM at all or as accurately as 4-pin fans. 4-pin fans, on the other hand, allow for RPM to change based on the need for cooling temperature, which reduces noise and power consumption.

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How Many Fans Can I Plug Into My Motherboard

The two chassis fan headers can split and power at least two or three modern fans, and there is also a splitter cable that handles five fans and uses Molex power from the PSU, so case fans can be connected to them if you want to.

if you have a high end motherboard that supports additional fans you might also be able to find other headers 1

What Fan Header Should I Use for Case Fans

If you only have a two fan cooler, for example, you can just use CPU_FAN for one fan and CPU_OPT for the other, but if you have more than two fans, you should use a splitter/hub.

Can You Plug a 3 Pin Fan Into a 2 Pin

You just need to match the holes and pins on the 3 Pin fan to the 2 Pin and figure out which two contacts make the fan work.

in actual use 3 pin fans can control voltage but the voltage can t turn to change the fan rpm at all or as accurately as 4 pin fans 1

Do Fans Connect to the Power Supply

The standard 4 pin power connector from the power supply or an adapter board that changes the standard power supply connector into a pin header connector akin to what is found on a motherboard are the two most common methods for connecting fans directly to a power supply.

Can You Control Fans Connected to Psu

Please be aware that not all of the fans on your motherboard can be controlled, and any fan that is wired to a power supply unit (PSU) via a Molex Fan Connector cannot have its speed changed.

Are Fans Powered by the Motherboard

I personally prefer manual control of my fans with my fingers over letting software control the case fans, as it helps keep the noise down. The motherboard controls the CPU fans.

Brian Doe

Meet Brian Doe, our Windows expert,who loves to spend most of his time working with the systems and experimenting on different chips. Basically, he’s a software engineer,and his writing hobby helps him share his computing tips and solutions with you to make you a Windows DIY guy.

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