很遗憾，本文档暂无中文版本，以下为英文版本。
Mounting the Fan
Choose Airflow direction
Mounting in a PC case
Mounting in a DIY Project
Connecting the Fan
In a PC
Attention
3-pin socket is compatible with 4-pin plug but fan PWM control will not be available.
In a DIY Project
Controlling the Fan
In a PC
The speed of S4028-6K can be adjusted using PWM signal from the motherboard. Please follow this procedure to adjust the settings on your motherboard.
To control more than 5 fans from one unique header, we recommend you to use the ARCTIC Case Fan Hub. Its external SATA power will circumvent the header current limitation.
In a DIY Project
PWM Frequency: Target frequency 25 kHz, acceptable operational range 21 kHz to 28 kHz
Maximum voltage for logic low: VIL = 0.8 V
Absolute maximum current sourced: lmax = 5 mA (short circuit current)
Absolute maximum voltage level: VMax = 5.25 V (open circuit voltage)
Fan Technical Documentation
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