Prolimatech has now an interesting set of fans on the market, three which are 120mm and four 140mm. Some of the models carry red LEDs and others have blue LEDs and the manufacturer has also made available an aluminum model, optimized for high airflow and pre-equipped with a fan guard for safety. In this article we will learn about their appearance, the bundle they come with, the minimum startup voltages, the noise they produce and how many RPM they have at certain voltages.