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15-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube
Upgrading ram to 16gb - MacBook Pro 15" Unibody 2.53 GHz Mid 2009 - iFixit
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How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
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How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
15″ MacBook Pro (Mid 2009) | Low End Mac
15-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube