Question dual-channel and mixing ram

Apr 25, 2019
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I have a ddr4 dimm4 motherboard. It has dual-channel enabled, so there are 2 pairs of ram slots.
I have read that to enable dual-channel, the pair of ram sticks must be identical. By "identical", do they have to be the same for all the properties, even MHz and voltage? If I put two different sticks in a dual-channel pair, will they still work as individual single-channel sticks?
And for mixing different ram sticks in normal single-channel settings, what do I have to be cautious of?
 

siaan312

Prominent
Jun 15, 2017
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mixing ram is fine, you can have 4 different speed, voltage, capacity sticks.
but, all of them will be capped on the speed and timings of the slowest one.
also, when I say it works, I mean it MAY work. no guarrenteas. thats the tea. (see what I did there?)
 

jcniest5

Distinguished
Jun 5, 2008
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Thanks. But for dual-channel to work, do the sticks have to have the same speed, voltage, and capacity?
U mean u have 4 sticks of memory, but they are all different? I have mixed and matched sets before, but not all are different. I have two kits of the identical model. You can always try it out. Run MEMTEST and see if your PC passes all the tests without a single error.
 

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