XMSJSIY Cooling Fan Speed Knob Controller 12V 4 Pin PWM PC Chassis Fan Adapter Hub Power Supplied with SATA Interface for 4 Fans -1 PCS

This saved me from deafening fans! I bought server fans and I like them very much but the motherboard acts like it needs to show off how fast they can spin at start up and it thinks it needs to wind them up and down every couple of seconds. The bios antics are what made me order this. IT WORKS GREAT. It's perfect! These 7K fans aren't overloading it either. I have 3 of them on the system, each is 120mm and 38mm wide.

It works as intended and the dial allows for tuning the speed of fans. It feels like it is made of cheap plastic so handle it with care.

Build quality is sturdy. The Speed Control knob is firm...not wobbly at all while it smoothly allows you to control all connected fans.Shipping was FAST!Overall this is a good product & I would buy again without hesitation.

Worked great . just what the doctor ordered. I needed something to quiet the fans with out replacing them. They are low Db Noctora but the case has bad airflow and the thickness of the case mess gapes is large and generates lots of wind noise even with 28dB fans.

I got this to use in my retro PC builds since motherboards of that time only had 1 or 2 system fan connections and to control the fan speeds because again old boards only go 1 speed and that's MAX.This little guy was perfect, just perfect, handled my Noctuas without issue.

The media could not be loaded. Perfect for manual fan control small and compact design, has a small orange led for power indicator, has good fan speed control for less noise and temperature control.