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PWM not fully functional with Lenovo workstation or server. Fan(s) will run full speed at ~1800 RPM when computer is running. While PC is running, if you unplug the fan(s) and plug back in 30 seconds, they will spin down and be controlled by WPM. Otherwise they run full speed. Conclusion, good deal, but useless to me since I had to go with ID-Cooling fans.
Verified purchase: Yes | Condition: New
Great Value. I wanted a 120mm fan with PWM and this fits the bill. It seems to make a faint clicking noise below 30% output and also seems to have trouble reporting it's RPM at those low outputs. If you try to go below 20%, it will actually just go to 100%, which is about 1450RPM (with no obstruction). I don't let it go below 30%, which is about is still pretty high RPM wise (I think about 600RPM but I am not in front on my machine right now). I would greatly prefer a fan with the ability to be at 20% PWM or lower. Keep in mind that this may also be an incompatibility with my motherboard, an ASRock Z270 Gaming K6. I can't hear it at its minimum 30% output over my relatively loud power supply. At 1450RPM you can hear it, but that's obviously what the PWM is for.
Verified purchase: Yes | Condition: New
This fan is so quiet, I wasn't sure it was working... I used it to replace the stock fan on my Corsair A50 CPU cooler. The stock fan was beginning to make strange noises. This fan is not only quieter at full speed than the stock fan was at 1/2 speed, but it brought my CPU temps down an average of 3 degrees Celsius. Impressive for how quiet it is!
Verified purchase: Yes | Condition: New
For a cheap fan, the Arctic F12s do wonders. Super quiet even at 100%, and good airflow. If you are looking for good value for the price, this fan will suit your needs.
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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