Question Only one RAM stick working at a slower speed

mandeep101

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Jul 19, 2017
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I have a Ryzen 7 1700x with a GTX 1070

I have 3 different RAM sticks that I have mixed, matched and swapped but the result is always the same, the speed of the RAM continues to run at 2133 (The Sticks are 2666, 2666 and 3000 respectively). Also, only one RAM stick shows as working memory with the other half being Hardware Reserved. When running only one RAM stick, only a couple of mb is Hardware Reserved.

And yes, the BIOS picks up both ram sticks, none of the RAM sticks are dead and the BIOS is up to date.