Hello... GJ... LOOKING GOOD... another bit of advanced advice... Your fan speed should be recorded Vs temp data too... as the Fan is added to increase the thermal dissipation... because they use a Low cost, Low weight material for the thermal Heatsink (Copper is best and Aluminum is typical)... once your fan(s) hits top speed you have reached the end of thermal cooling limits of the system (Total watts disapated)... top speed is a physical design limit of the Fan... CFM, Voltage and Speed are the typical specs found on the label/sticker/website. B )
The fan speed change between 1.18v and 1.2v could give you a idea/hint what Thermally has changed in your CPU/system... and further increases are possible or Not possible. Testing with variable, compensating OR Not a stable CFM/FAN speed can make analysis of data harder. Testing requires being able to control all thing in a test environment... sometimes this is not possiable B /
You need to check your Fan specs and make sure your not running at 90-100%, as it will wear out faster... But they are Low cost and easy to replace OR upgrade B / With every Performance boost... you will find the next weak link in the system. This is a maintenance man and engineers constant work load through out his/her career. B )