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Macbook 13 inch late 2006 model black RAM question.

Hi, I have a Macbook 13 inch late 2006 and it currently has 1 GB of RAM installed. I found 4GB of RAM and I know that it is %100 compatible and Apple says the max RAM the computer would use is 4GB, but if I got 6GB of RAM would the computer use it all or just leave a bunch of unused RAM?


Thanks in advance!

Posted on Jan 9, 2013 1:55 PM

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Posted on Jan 9, 2013 1:58 PM

A late '06 McBook will use 3gB of RAM, no more.


Maximum Memory 3.0 GB (Actual) 2.0 GB (Apple)

Memory Slots 2 - 200-pin PC2-5300 (667MHz) DDR2 SO-DIMM

8 replies

Jan 9, 2013 4:18 PM in response to Finnaus

You can put two 2gb RAM sticks in your model 2,1 but it can only use 3,3gb. This is a hardware limitation and cannot be changed.
http://en.wikipedia.org/wiki/3_GB_barrier
http://www.everymac.com/systems/apple/macbook_pro/faq/macbook-pro-core-2-duo-3-g b-memory-limitation-details.html

OWC tests have found that there is a slight speed increase with having two 2gb sticks in rather than one 1gb and one 2gb. Your model is in the gray lines at the bottom of the graph. http://eshop.macsales.com/shop/Memory_Benchmark/Apple_MacBook/

Macbook 13 inch late 2006 model black RAM question.

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