How to connect fans to the motherboard? Step-by-step instruction

A computer, like any other equipment, needs cooling, so this issue is always relevant. When launching particularly demanding programs and applications, the system undergoes intense heat, so you should take care of cooling. Most of the components inside the system unit have their own cooling, but the motherboard does not have such functions, so it will be further described how to connect the fans to the motherboard.

What is a cooler for?

What is cooler for?




Before you figure out how to connect the fans to the motherboard, you need to understand why they are needed. Coolers inside the system unit provide the outflow of hot air and help the flow of cold.

The presence of additional coolers will provide constant cooling of the heating surfaces of all components connected to the motherboard.

Connect to motherboard

Connect to motherboard




To begin with, it is worth deciding on the number of built-in coolers, since in different cases it will be different. Typically, there are several holes on the case cover to find out how many fans can be connected to the motherboard.





Now you need to carefully inspect the motherboard - it should have free connectors for three contacts. If it’s difficult to determine, then instructions will come to the rescue, which indicate such connectors as System Fan. This will help in how to connect the fans to the motherboard.

After that, you need to pay attention to the fans - there is a marking on the blades indicating their direction. When installing on the front panel, you need to install the cooler so that the air goes inside. To exit the hot stream, coolers are installed on the rear panel. Then the fans are fixed in the case using self-tapping screws that come with the kit.

Some coolers are equipped with silicone clips, which is an ideal option for fixing the fan in the case, as the tight fit of the silicone ensures complete absence of vibration.

Now it's time to find out where to connect the fans on the motherboard. This action is as follows. After the desired connector is found, the fan cord is connected to it. The problem of how to connect the fans to the motherboard has been solved.

PSU interaction

PSU interaction




If the motherboard did not find a free connector, but the presence of an additional cooling system is necessary, then you should pay attention to the power supply.

The procedure is almost no different from how the fans are connected to the motherboard. To do this, you need to connect the cooler cable to the power supply in the appropriate connector.

It's time to check for coolers connected in both ways. First you need to start the computer and see the air direction. You can take a simple sheet of paper and bring it to the fan - the movement of the sheet will show the direction of air flow, which will help determine in which direction the blades are directed. For safety reasons, it’s best not to manually check the fans.

Now you can close the case of the system unit and fix it with screws.




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