Question 2 kits instead of 1 kit - any potential problems?

Mar 14, 2019
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Hello.

If take a look at RAM kits with various sticks number, but with the same specs (frequency, timings, etc.) - are the RAM sticks in these kits the same?
For example, let's take these kits: G.Skill F4-3600C17Q-64GTZR and G.Skill F4-3600C17D-32GTZR. According to their specifications everything is the same, besides the sticks number in a kit.

So, can I replace 1 kit of 64 Gb with 2 RAM kits of 32 Gb with the same frequency/timings (with keeping it work stable on the same frequency/timings)?

This question may seem to be a bit wierd, so let me just describe my situation to get everything clear.

My M/B is ASUS ROG MAXIMUS XI EXTREME (Z390). And I’m planning to get 64 Gb of RAM. But I have a choice – install one F4-3600C17Q-64GTZR kit or two of F4-3600C17D-32GTZR kit. And I’m not sure if two of F4-3600C17D-32GTZR work in the same way good as one F4-3600C17Q-64GTZR should (as specified in MoBo Qvl list). So, is it OK to install 2 kits of F4-3600C17D-32GTZR instead of 1 kit of F4-3600C17Q-64GTZR (for example, if I fail finding it in stock)? Will 2 kits of F4-3600C17D-32GTZR still work stable with the specified frequency and timings?
 

AllanGH

Commendable
Mar 10, 2019
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This is an oft asked question...

You have no guarantee of RAM working together unless it is sold in matched sets (kits).

Matched sets are more expensive, per DIMM, because they are from the same manufacturing run, and tested/certified to work together. In most cases, if you have selected the proper timings for your MB, they will just work.

DIMMs purchased singly, or DIMMs from different sets (despite identical timing specifications) may work with each other, and they may not. If they don't, you really don't have a legitimate case to initiate an RMA because of it.

In your specific case, you are better off installing the F4-3600C17Q-64GTZR kit, and be done with it.
 
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