OCZ Ram 1333MHz only at 669 MHz

I have a question regarding RAM. I recently bought DDR3 (OZC3P1333LV2G) and a new MB (ASUS M4A89GTD PRO /USB3), I set the the speed of the RAM, in the BIOS, to 1333MHz and also set the Timings as specifyed by OCZ 7-7-7-20 1.65V.

Why is it that the actual speed of the RAM is only at 669MHz?


Thank You Guys in advance!
2 answers Last reply
More about 1333mhz
  1. That's right. 669x2=1338. DDR = double data rate.
  2. Okay, Thank You guys. Now I understand the concept.
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