memory speed is 1066mhz, but my ram is 1333mhz

my motherboraed (p8h61-mx) support 1333mhz frequency, and in my pc is plugged 2x4gb ram 1333mhz but in BIOS says that the memory speed is 1066mhz. So i try to change that and set to 1333, press f10 to save and exit...and on start up it say Overclocking failed! and i have to return to 1066. Im not some PC expert, but where I made a mistake?? help
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More about memory speed 1066mhz ram 1333mhz
  1. What is your processor model? The memory controller on the processor needs to matchup with the motherboard which also must match the RAM frequency.
  2. Best answer
    Your CPU doesn't support 1333MHz RAM, so it under clocks the RAM to 1066MHz, nothing to worry about.
  3. my cpu is intel pentium g620 2.60 ghz.

  4. i found this picture, and its say that my cpu support 1333 dd3 memory type, im confused now.
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