what is your ambient temp or room temp ? Also check the whole case air flow ; it does make a huge difference how the case fans are installed and the air flow inside ... also use an air blower or something to clear the dust becasue it affects the function of the fans
The Ram combination is 3X4GB + 1X8GB
Actually I wanna be sure that my PC will last at least 4 more years without the need for upgrading ; I want it to last longer than the next Gen of consoles PS4 for an example .
I alwways had the mid range cpu-gpu combination that only lasted for a couple of years thats why Im so keen on getting a solid gaming setup that will last for years