Computer Fan Cable Colors

Make sure that your motherboard comes with rgb headers before buying any rgb fans.

Electric fan quilt block. 3 pin connectors are usually used for the smaller chassis fans with lower power consumption. Were talking about physics thermodynamics all sorts of fun stuff. Fans and on board fan headers are backwards compatible.

4 pin connectors are usually used by cpu fans with higher power consumption. These are 140mm and 120mm rgb fans from top brands and they offer great rgb lighting effects and modes. The third wire varies depending on the manufacturer but usually it is blue or yellow.

One for the positive or hot lead and one for the negative or ground. Get it as soon as tue sep 29. Vice versa it is possible to use old 3 wire fan on new board with 4 wire header but with limited possibility of pwm control depending on board logic.

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. We threw a simple red led fan into our case but you can also buy rgb led models if you.

Only 9 left in stock order soon. Standard was developed with idea of backward compatibility with 3 wire fans. Best rgb fans for your gaming pc or high level enthusiast build.

Chassis and cpu fans may use either 3 pin or 4 pin power connectors. 24pin atx motherboard extension cable kit rgb pc addressable 5v argb cable with argb fan for computer cpu cooling 24pin rgb cable 4099 40. A pc fans wire colors are pretty consistent with red almost invariably marking the positive and black marking the negative or ground.

The simplest pc fan requires just two wires one wire provides power 12v and the next wire is ground 0v. Chassis and cpu fans may use either 3 pin or 4 pin power connectors. In a 3 wire fan the extra third wire is the tachometer signal tacho wire that indicates how fast the fan is running.

Teoretically is possible to use 4 wire fan like 3 wire on the board with 3 wire connector. Led fans are a cheap addition that can add a lot more light to your case and they come in plenty of colors. Its often explained as lego for adults but managing the air cooling system within a pc is considerably more complex.

For your computer case and cpu cooling radiator. But there are a few basic principles you can apply to almost any build to get optimal. Running a low voltage fan requires only two wires.

Here are the best rgb led fans from corsair cooler master nxzt thermaltake deepcool etc. Update october 13 2008.