Lian Li PWM 120mm 2600RPM Extension Cable 28mm Thickness Fan With Controller, Black

Lian Li P28 UNI Fans: Powerful and Versatile Lian Li’s P28 UNI voltage controlled fans have been designed to offer uncompromising performance, with exceptional airflow and static pressure, whether you use them for cooling your case or on CPU coolers. What's more, these fans have been optimised for restricted airflow such as when mounted on a radiator. As such, they remain whisper quiet even when operating at maximum speeds, reaching just 32.1 dB(A). Fan Performance Optimised Lian Li’s P28 UNI fans have been designed to deliver outstanding cooling performance. To achieve this several innovations have been incorporated into the P28, such as making these fans slightly thicker than standard. The P28 UNI fan is 28 mm deep which is 3 mm larger than many fans, this extra size allows for increased airflow and static pressure. In addition to the extra depth, the P28 UNI fans also utilise LCP for the fan blades. LCP is a strong material, which reduces vibrations in the blades, allowing the fan impeller to be widened, reaching just 0.6 mm away from the frame. Driven by Innovation In addition to the refinements to fan size, the motor of these fans has seen several updates. This includes securing the impeller to the shaft through an all-metal bearing shell. Additionally, the shaft of the motor is reinforced with copper shielding. What’s more, to keep the impeller stable, a magnetic ring is seated within the bearing shell, and more magnets are also incorporated within the frame of the fan. Through the interaction of these two sets of magnets, the fan is held stable. With all these innovations combined, the P28 produces minimal noise, even when operating at high speeds