Question Just found out 2x8GB is cheaper than 4x4GB...

Hazzahead

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Apr 22, 2019
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After all this time looking for new RAM upgrades and buying four 4GB sticks, I just realised that I could've just bought two 8GB modules. Looks like I will need to find a way to sell them.
 
Ram sticks must be matched. That is one reason why a 4 stick kit of equal capacity costs more than a 2 stick kit.

Then, also few user desktop motherboards support quad channel operation.
a 4 stick kit on a consumer motherboard will likely run only in dual channel mode.

You now have more experience, but it will cost you more to sell and rebuy than to do nothing