Computer Cooling Fan Wiring

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.

Computer cooling fan wiring.

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. Get it as soon as sat sep 26. Strong quiet 12025 fan 120x120x25mm 12cm 120mm computer case fan dc 12v cooling fan for computer case 2pin 2 wire 1600rpm 2 pack. Some fans such as the tower cooling fans operate at 12 volts while central processing unit cpu fans may operate at seven volts.

Pick the best fans for your pc. Chassis and cpu fans may use either 3 pin or 4 pin power connectors. 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.

Fans and on board fan headers are backwards compatible. That said cooling fans come with a. 4 4 out of 5 stars 377. 3 pin connectors are usually used for the smaller chassis fans with lower power consumption.

Computer fans vary in size and voltage requirements. Any desktop pc with standard case fan mounts will work 80mm 120mm 140mm 200mm it doesn t mater as long as they re consistent. Free shipping on your first order shipped by amazon. At first i trialed the fresh fan controller with an old 4 wire pc cooling fan lying around and it worked like a charm.

For smaller fans both fans can be connected to a single relay as shown above and. Fans may be either 5 volt dc or 12 volt dc fans. Wiring dual cooling fans. 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.

3 pin connectors are usually used for the smaller chassis fans with lower power consumption. Computer fans can also be used for a number of hobby projects that are not computer related. Chassis and cpu fans may use either 3 pin or 4 pin power connectors. The third wire gives your computer a measure of control over that.