So how does it really works?

Tony Johnny

Reputable
Mar 11, 2015
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Hello,
so I wonder if I can buy additional RAM sticks (HyperX savage 2x4GB 2400MHz).
I have ASUS vii ranger z97 mobo 1 set of RAM that i mantioned above and i7 4790k CPU.
The point is that "ranger" supports dual channel memory, exactly like "4790k".

So as a dual channel i understand that you have to put 2 sticks into the right place/color slots, but what does the additional 2 slots can be used for?

In the definition (from the internet)this is a secound dual channel memory, but what does it meen? What's the diffrance between quad channel and 2 x dual channel. If I fill all four slots of RAM(2 dual channels) in my mobo, will it work good?
 
Solution
Adding more memory to fill slots will just add more memory. Since your cpu/platform is dual channel, it will only talk to two RAM chips at the same time. Filling all 4 slots will give you more memory, but not faster memory.

Quad channel memory can talk to 4 chips at once, so it does get faster using all 4 slots.
Adding more memory to fill slots will just add more memory. Since your cpu/platform is dual channel, it will only talk to two RAM chips at the same time. Filling all 4 slots will give you more memory, but not faster memory.

Quad channel memory can talk to 4 chips at once, so it does get faster using all 4 slots.
 
Solution

Yes, I did, thanks.

It really doesn't make much difference. Fewer chips keeps things more simple and can be better for overclocking, but for most people, the difference is negligible.