About voltage measurements , I did my, with the fan active !! I did my measurements without the fan attached. I also measured the fans RPM's both with and without the Nanxia. The fan spins at 1314 RPM when connected directly to the fan header. When connected through the Nanoxia, it spins at 1214 RP...

My unit ranges between 9.72V and 11.04V (at 100%). Its unfortunate since I want my fans running at 100% rpm when maximum cooling is called for,