What programs to use when OC to check stabillity for cpu, memory and grafic

[MotoFast]

HEy!
What programs should i use to check the cpu, memory and grafic card for stabillity when OverClocking, what programs are best?

 

[lordtyranus2]

Prime95 and memtest86 are good.

 

[osage]

several listed here, item 4) Stability tests: