Computer Cooling Fan Wiring

Chassis and cpu fans may use either 3 pin or 4 pin power connectors.

Computer cooling fan wiring.

It reports the speed of the fan back to the computer s processors which allows the motherboard to control the speed of the fan by raising the voltage and speeding the fan when the extra cooling is required and lowering it when it s not needed. Deciding on a cooling approach that matches your case and your components before you go shopping for fans and coolers can be helpful. Some fans such as the tower cooling fans operate at 12 volts while central processing unit cpu fans may operate at seven volts. This is based on the draw from the fans if the fans are larger and draw more than 15 amps each it s recommended to install a second relay kit as shown below.

For smaller fans both fans can be connected to a single relay as shown above and. Pick the best fans for your pc. Get it as soon as sat sep 26. Any desktop pc with standard case fan mounts will work 80mm 120mm 140mm 200mm it doesn t mater as long as they re consistent.

Of course all you need is the red and black wire to run your computer fan but if you didn t know what the extra wires are for this video may help you out. With dual cooling fans there are two methods for wiring up the relay kit. 4 4 out of 5 stars 377. 3 pin connectors are usually used for the smaller chassis fans with lower power consumption.

4 pin connectors are usually used by cpu fans with higher power consumption. The next attempt was to drive my new 4 wire fan e97379 003 through the controller module but alas the fan runs again at a steadfast speed around 5000 rpm and not responded to the standard speed control stimulus. Chassis and cpu fans may use either 3 pin or 4 pin power connectors. Strong quiet 12025 fan 120x120x25mm 12cm 120mm computer case fan dc 12v cooling fan for computer case 2pin 2 wire 1600rpm 2 pack.

Free shipping on your first order shipped by amazon. Wiring dual cooling fans. Fans and on board fan headers are backwards compatible. 4 pin connectors are usually used by cpu fans with higher power consumption.

3 pin connectors are usually used for the smaller chassis fans with lower power consumption. That said cooling fans come with a. Computer fans vary in size and voltage requirements. Fans may be either 5 volt dc or 12 volt dc fans.