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I have a 2.4 Ghz Macbook running 4 GB RAM. Some companies sell 4 GB chips to upgrade to 6 GB RAM. Has this ever caused problems? I am running VMWare Fusion and the extra RAM would be a big help.

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It looks like Apple's supported maximum is 4GB, but according to Mactracker and Other World Computing, the hardware and software does support 6GB as a 2GB+4GB combo.


You can probably buy a like 4GB chip on its own if you've already got a 2GB chip installed, but in either case, you're not going to be getting the performance benefit that comes from having a matched pair.

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I've added the 6GB and so far, no problems. – mmcglynn May 18 '11 at 18:09

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