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Trying to get my DDR3 RAMS to run at 1866 MHz

  • Corsair
  • Memory
Last response: in Memory
August 25, 2012 10:48:28 AM

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,


More about : ddr3 rams run 1866 mhz

a c 99 } Memory
August 25, 2012 11:59:15 AM

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.