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Sorti en juin 2012, modèle A1278. Processeur Intel avec Turbo Boost, jusqu'à 512 Mo de RAM vidéo DDR5

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What MHz can my MacBook Pro use for DDR3L RAM?

I currently have a:

MacBook Pro (13-inch, Mid 2012) 2.5 GHz Intel Core i5

4 GB 1600 MHz DDR3

Intel HD Graphics 4000 1536 MB

I've been thinking of changing the RAM to a DDR3L 2*8 GB 1600MHz but I noticed there are also different MHz's (1600, 1866, 2133).

Will there be a difference in speed, battery, etc?? If so which is recommended?

Thanks so much!

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DDR3L RAM runs at what the systems voltage is (1.5V or 1.35V). So in older 1.5V systems is will run at that voltage.

As far as clocking (MHz) you can use a higher clocked RAM module but I wouldn't go higher than one level higher.

Keep in mind it won't offer any real performance difference or alter your run time on battery.


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RAM Type: PC3-12800 DDR3L Min. RAM Speed: 1600 MHz

Details: Supports 1600 MHz PC3-12800 DDR3L SDRAM SO-DIMMs (204-pin).

Standard RAM: 4 GB Maximum RAM: 16 GB*

Details: 4 GB of RAM is installed as two 2 GB modules, no slots free.

*Apple officially supports a maximum of 8 GB of RAM, but third-parties have determined that this model actually is capable of using up to 16 GB of RAM with two 8 GB memory modules.

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We buy replacement ram from crucial, that way we see all the options available for the specific model mac/pc..


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Marcelo Marquez sera éternellement reconnaissant.
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