Need help on fan contoller

I am fairly sure that 4 pin connectors for fans cannot be controlled, only the 3 pin ones can. You may have to replace your fans if you would like to control the speed of them.
 
i think NZXT Sentry 2 could be something for you, as i've seen there are 3-pin and 4-pin connectors..
 
if that case is anything like the 1200, all those fans in the front should have a tiny rheo on them that controls speed, i dont think you need an extra controller except for maybe the side panel fan if you add that.
 
Just plug the four pin fans into the the three pin adaptors and it will work. The fourth pin is for systems with smart fan monitoring. It will work as you have a manual reostat / pot system not requiring the feedback loop.
 
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