ASRock P55 Extreme4 Motherboard Review (1156)
Super Pi is used by a huge audience, particularly to check stability when overclocking processors. If a system is able to calculate PI to the 32 millionth place after the decimal without mistake, it is considered to be stable in regards to RAM and CPU.
Once again the differences when overclocked are massive with 4 minutes being saved when we overclock from 2.66ghz to 4ghz.