Ok I had 2 sticks of 1333 kingston valuram installed on my mobo, today I bought 2 more sticks of 1333 kingston ram and in CPU-Z it says my dram frequency is 666.7MHz and my nb frequency at 1999.9MHz. I'm not sure what the nb frequency is but shouldn't my DRAM frequency be at 1333MHz?
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Naa it's okay. DDR stands for Double Data Rate which means RAM memories send 2 ''chunks'' of data per clock cycle. So 666,7x2=1333,4 and the same goes for other DDR memory sticks.