by TheLaGmAn » Fri Sep 26, 2014 9:33 pm
The sensor is probably reporting 3999, the sensors dont have a round up feature for this type of scenarios if the true value is 3999, if its 3999.6 then it would round it up to 4000.
Have you tried with another sensor? AIDA64, OHM, HWInfo to see if they report differently?