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How is RAM updated on MacBook Pro models "Mid-2009" to "Mid-2012"? What type of RAM do they use? How much RAM does each model really support?
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CMS 6GB (1X4GB) & (1X2GB) DDR2 5300 667MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® MacBook Pro Core 2 Duo 2.6 15" (Sr) - B118 at Amazon.com
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