Question RAM NOT WORKING AT STOCK SPEED

Oct 23, 2019
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I had 8gb (2x4) ram in my computer but I decided to order 2 more 4gb sticks each to install on the computer and so get 16gb, after a lot of headache I was able to start the computer with the 4 sticks installed but my problem is that I can't use the 2 new sticks at the 2800mhz stock speed, the maximum I could use was 2400mhz and if you go beyond that the computer won't turn on until you remove the new sticks and go to the BIOS and put the old sticks back on the minimum speed. I know it sounds confusing but I wonder if anyone knows how to get the new sticks to run at least 2800mhz stock. Thank you and have a good afternoon

https://www.google.com/url?sa=t&source=web&rct=j&url=http://www.gskill.com/search?keywords=f4-2800c15d-8gvr&ved=2ahUKEwiO16642LLlAhUIxoUKHcRaCX4QFjADegQIBRAC&usg=AOvVaw3vdO53jHkfoi91HbJRYcoR
 

Solidjake

Proper
Sep 6, 2019
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Are the memory stick the EXACT same ones as what you had before? Having different brand/speed/CL/etc sticks will give you issues like that.
 
I'm not seeing where this motherboard supports 2800 at all.

I'm a little surprised it didn't go to 2667 and it went to 2400 instead....but maybe there is some reason. Memory can act pretty odd at times.

MB specs>>>>>>>>>>>>>>

AMD Ryzen series CPUs (Matisse) support DDR4 3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered memory*
  • AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC)/2933(OC)/2667/2400/2133 ECC & non-ECC, un-buffered memory*
  • AMD Ryzen series CPUs (Picasso) support DDR4 2933/2667/2400/2133 non-ECC, un-buffered memory*
  • AMD Ryzen series CPUs (Summit Ridge) support DDR4 3200+(OC)/2933(OC)/2667/2400/2133 ECC & non-ECC, un-buffered memory*
  • AMD Ryzen series CPUs (Raven Ridge) support DDR4 3200+(OC)/2933/2667/2400/2133 non-ECC, un-buffered memory*
 

Jason H.

Honorable
Oct 20, 2013
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I had 8gb (2x4) ram in my computer but I decided to order 2 more 4gb sticks each to install on the computer and so get 16gb, after a lot of headache I was able to start the computer with the 4 sticks installed but my problem is that I can't use the 2 new sticks at the 2800mhz stock speed, the maximum I could use was 2400mhz and if you go beyond that the computer won't turn on until you remove the new sticks and go to the BIOS and put the old sticks back on the minimum speed. I know it sounds confusing but I wonder if anyone knows how to get the new sticks to run at least 2800mhz stock. Thank you and have a good afternoon

https://www.google.com/url?sa=t&source=web&rct=j&url=http://www.gskill.com/search?keywords=f4-2800c15d-8gvr&ved=2ahUKEwiO16642LLlAhUIxoUKHcRaCX4QFjADegQIBRAC&usg=AOvVaw3vdO53jHkfoi91HbJRYcoR
Ram is meant to be bought in pairs.

Its highly recommended to only buy ram in pairs, be it 2x4gb sticks, 4x4gb sticks, 2x8gb sticks, etc..

There is NO guarentee that, even when its the exact same ram and model, that the ram will work if it was not originally bought as a pair.

Now have you tried ONLY the 2 new sticks and seeing if you can run at higher speeds?

If you can, then its a ram compatibility issue and you should return the ram, save a little more and buy a 16gb kit specifically made to work with eachother.
 
Oct 23, 2019
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10
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I'm not seeing where this motherboard supports 2800 at all.

I'm a little surprised it didn't go to 2667 and it went to 2400 instead....but maybe there is some reason. Memory can act pretty odd at times.

MB specs>>>>>>>>>>>>>>

AMD Ryzen series CPUs (Matisse) support DDR4 3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered memory*
  • AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC)/2933(OC)/2667/2400/2133 ECC & non-ECC, un-buffered memory*
  • AMD Ryzen series CPUs (Picasso) support DDR4 2933/2667/2400/2133 non-ECC, un-buffered memory*
  • AMD Ryzen series CPUs (Summit Ridge) support DDR4 3200+(OC)/2933(OC)/2667/2400/2133 ECC & non-ECC, un-buffered memory*
  • AMD Ryzen series CPUs (Raven Ridge) support DDR4 3200+(OC)/2933/2667/2400/2133 non-ECC, un-buffered memory*
But with the 2 old stick i managed to overclock them to 3060mhz i think, and they are the same thats why i came where asking why i cant even boot the pc when i go above 2400mhz
 
Oct 23, 2019
6
0
10
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Ram is meant to be bought in pairs.

Its highly recommended to only buy ram in pairs, be it 2x4gb sticks, 4x4gb sticks, 2x8gb sticks, etc..

There is NO guarentee that, even when its the exact same ram and model, that the ram will work if it was not originally bought as a pair.

Now have you tried ONLY the 2 new sticks and seeing if you can run at higher speeds?

If you can, then its a ram compatibility issue and you should return the ram, save a little more and buy a 16gb kit specifically made to work with eachother.
Do you know other way to fix it?
 

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