As is known, the method of PWM fan speed control support only models with 4-pin connector. But the German company Phobya, engaged in the production of components for the assembly of the liquid cooling systems and various related accessories, has found a solution to this problem.
The company introduced a special adapter, which is called the 4-pin PWM to 3-pin Converter, allows to control the rotation speed of any fan with a 3-pin with a PWM signal. The essence of the adapter is that it receives the PWM signal from the controller or motherboard, and controls the fan speed by changing the voltage applied to it.
Connect the adapter to the system, of course, with the 4-pin cable length of 500 mm, supplied. Adapter output can provide a current of up to 1A, allowing to connect to it at once two fans with a special cable with a pair of 3-pin connector (sold separately). Dimensions new items are only 50 x 39 x 18 mm and it is attached to the double sided tape.
Adapter 4-pin PWM to 3-pin Transformer is already on sale, and in the German online store Aqua Tuning it is sold at the price of 9.8 euros.
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