Trying to get my DDR3 RAMS to run at 1866 MHz

Hi guys, so the rumour is that this is the place to be when it comes to getting help from experts, I am certainly not an expert so I was hoping you could help me.

So, this is my problem, I bought this computer running with:

Motherb: GA-990FXA-UD3
CPU: AMD FX-8120 8-Core Processor
Memory: Corsair XMS3 1866MHz 8GB Vengeance CL9

Now, when I look at EasyTune 6 I see that my memories isn't running at full speed (I think):

Why aren't they running in 1866 MHz?

This is what gigabyte says on their webpage:
"(Note 2) To support a DDR3 1866 MHz (and above) memory, you must install an AMD AM3+ CPU first."
What does that mean?

Any help is appriciated, thanks!

Best regards,

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More about trying ddr3 rams 1866
  1. Actually, your ram is running at 1866MHz. You see on the 5th line, that's showing your timings 9-10-9-27 at 934 MHz which is showing half the Double Data Rate speed of the ram (that's how ram is reported so DDR = 2x which comes to 934x2=1868). You should see those same numbers for each slot occupied. You're good at 1866.
    It is confusing to a lot of people that ram is reported at it's single data rate value but it is what it is.
    Hope it helped to clarify things a little.
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