The motherboard I use is Gigabyte 990FXA-UD3 R5 and for make sure I put a new thermal lasted because when k actually OC with the own thermal compound of the NZXT Kraken x61 it was around 50c on the stress test and my idle was around 30c to 40c when I change and thermal. It actually lower the Celsius to 20c to 28c
With the new thermal paste
http://imgur.com/OoRg0fO
The Vcore is 1.45 volt
With the new thermal paste
http://imgur.com/OoRg0fO
The Vcore is 1.45 volt