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I've just purchased my MacBook Pro (13-inch, Mid 2012) (it's not the retina model where RAM is fixed) and I'm considering more RAM. On the system information app, I found this info.

BANK 0/DIMM0: 2GB DDR3 1600 MHz OK
BANK 1/DIMM0: 2GB DDR3 1600 MHz OK

Will any RAM, DDR3, 1600MHz work or does the MacBbook have some other requirement to be compatible that isn't listed above?

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Is this a retina or non-retina model? On non-retina, any 1600 MHz DDR3 SODIMM will work. If it's retina, the RAM is soldered to the board and cannot be replaced. – Warren Pena Feb 5 '13 at 19:19
My shopping advice for upgrading memory in Macintosh computers is to buy from a place that specializes in Macintosh. I've bought RAM which should have been fine spec-wise, but didn't work. When I ordered from a Macintosh specialist (OWC) RAM with the same specs worked fine. – Mark Feb 5 '13 at 19:24
It's non-retina. I've already searched in OWC, but in my country I can't find a store that sales their products. Do you think that this model should work? – Gonzo Feb 5 '13 at 19:29
I believe there are CAS timing recommendations, but can't find a good "official" link from Apple, but I implicitly trust RamJet's description of RAM needs for every Mac that's been made. If no one digs up an answer, that might be a good place to check for requirements. – bmike Feb 5 '13 at 19:46
@WarrenPena Thanks for the flags and for working to improve the question. – bmike Feb 5 '13 at 19:48
up vote 1 down vote accepted

Any 1600 MHz DDR3 SODIMM will work. You do not need to buy one from OWC or any Mac specialty shop.

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One more question, I found that the maximum memory that it supports it's 8GB. Now, that would be on each slot (8+8 = 16GB) or 8 total (4+4 = 8GB)? – Gonzo Feb 5 '13 at 22:04

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