Is it possible to combine DDR memory of different sizes?

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vitom2012-12-16 01:35:25

macbook

vitom, 2012-12-16 01:35:25

Due to lack of virtual memory in Mac Book Pro 2012 (2x2GB) I'm going to buy DDR3 1600MHz 8GB. They are not cheap and I want to use at least one of the two 2GB that come on board. The question arose at the expense of paging. Will there be problems with this with a combination of 2 + 8GB? The frequency is the same. The manufacturer is different. Advise how to be

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4 answer(s)

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vitom, 2012-12-17
@vitom

Nochin , good advice. I think that's what I'll do. Although maybe first I'll try to take 4 + 4, I'll load it to the maximum. If it pulls, then it's not worth taking 16GB in the future. But it won’t pull so I’ll change it to 8GB.
In general, what I wanted to know with this question, I found out. Thanks to all. In order to use 2x dual-channel, 2 sticks of the same amount of GB are required;

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nochkin, 2012-12-16
@nochkin

Yes, they will work.
Of the shortcomings, they just won't work in dual-channel mode, but the difference in speed is usually not visible.

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Anakros, 2012-12-16
@Anakros

What memory would you like to buy? I also want to put myself in Mac mini 2012, but the choice is large.

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vitom, 2012-12-16
@vitom

Combinations and prices:
Memoria Mac Kingston 8GB (2x4GB) SO-DIMM DDR3 1600MHz
Memoria RAM 8GB (2x4GB) MacBook Pro (mid 2012)
46€
Memoria Mac Kingston 8GB SO-DIMM DDR3 1600MHz
Memoria RAM 8GB MacBook Pro (mid 2012)
50€
Memoria Samsung 8GB SO-DIMM DDR3 1600MHz
Memoria RAM 8GB MacBook Pro (mid 2012)
79€
Samsung is much more expensive. And what is better crucial, Samsung, OWC, Kingston?
Memoria Mac Kingston 16GB (2x8GB) SO-DIMM DDR3 1600MHz
Memoria RAM 16GB (2x8GB) MacBook Pro (mid 2012)
93€