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RAM speed issue

RAM speed issue
« on: March 03, 2021, 09:20:24 am »
Hello in my BIOS the RAM speed is showing as 2667mhz for each stick in the RAM status section when they should be 3600mhz. With XMP profile 1 enabled it shows the correct speed in the XMP settings as 3600mhz 1.35v. The bit that's confusing though is when i look in windows task manager or use CPU-Z for example the RAM seems to be running at the correct 3600mhz speed . see attached image

So is this just an error in the bios displaying the wrong thing and i am actually getting the correct speeds after all or is this an issue and if so how do I rectify it.

Researching my motherboard this seems to be a common thing with this board and i have tried all the fixes ie setting voltage and frequencies and memory timings manually but nothing changes no matter what i do in the bios it always shows the same speed 2667mhz.

Specs are
Processor - AMD Ryzen5 3600
Motherboard - B550I Aorus pro AX
RAM - G.Skill Tident Z Neo 32GB (2x16GB) DDR4-3600MHz CL18-22-22-42 1.35V
Bios version - F12

 



« Last Edit: March 03, 2021, 10:17:22 am by R3KLESS »

shadowsports

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Re: RAM speed issue
« Reply #1 on: March 03, 2021, 03:11:52 pm »
Greetings,
I think this looks OK.  What you are seeing is SPD speed vs, actual speed when XMP1 is enabled.  Nothing to worry about.

1796x2 (dual channel) means your ram is running at 3592Mhz...  GOOD

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dmdilks

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Re: RAM speed issue
« Reply #2 on: March 04, 2021, 10:12:22 pm »
Quote
  Hello in my BIOS the RAM speed is showing as 2667mhz for each stick in the RAM status section when they should be 3600mhz.

Because the board pick it up with the base speed of the memory. All memory has a base running speed. It is usually 2133 on most memory. When you set the XMP you really are basically OC the memory. I don't use any thing over 2400. Just a waste of time.

My Memory: DDR4-2133 -12-12-12-35.



« Last Edit: March 04, 2021, 10:18:08 pm by dmdilks »
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JimmyC

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Re: RAM speed issue
« Reply #3 on: March 15, 2021, 07:46:43 pm »
Go into BIOS and find Spread Spectrum Control and change from AUTO to disabled. This setting should always be disabled. See link for more info. https://www.anandtech.com/show/2500/20
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