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I downloaded a memory scanner tool and it says I have 2x2GB memory installed. This is correct. But then it says I can install 2x4GB memory so that I can have 8GB of memory. I'm not sure if this is correct, how can I find out?

Model is MacBook Pro 5,3

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up vote 2 down vote accepted

From the specifications page on Apples website:

  • 2.0GHz or 2.2GHz quad-core Intel Core i7 processor with 6MB shared L3 cache; or optional 2.3GHz quad-core Intel Core i7 processor with 8MB shared L3 cache

  • 4GB (two 2GB SO-DIMMs) of 1333MHz DDR3 memory; two SO-DIMM slots support up to 8GB

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One way to find out, is to use the memory selection tool on Since you didn't post your exact Macbook Pro model, there is really no way for us to tell, otherwise.

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That's what I used. The model is MacBookPro5,3. – tony_sid Jun 28 '11 at 11:45
My 13" 2009 MBP also rocks 8GB. – 5arx Aug 4 '11 at 15:24

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