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I've got some extra ram from my 2010 Macbook pro (PC3-8500). Is there any chance of this working with a Macbook 2008 motherboard (factory ram is is PC-5300).

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up vote 1 down vote accepted

No chance the 2008 Macbook uses DDR2 RAM and the 2010 DDR3 RAM; they are not compatible. The PC3-8500 won't even physically install in the 2008 - the keying is different.

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