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How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
2010 Macbook Pro 15" A1286 RAM Upgrade - YouTube
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CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® MacBook Pro Core I5 2.53 15" Mid-2010 Ddr3 - A35 at Amazon.com
Amazon.com: Timetec 4GB Compatible for Apple DDR3 1333MHz PC3-10600 CL9 for Mac Book Pro (Early/Late 2011 13/15/17 inch), iMac (Mid 2010, Mid/Late 2011 21.5/27 inch), Mac Mini(Mid 2011) SODIMM MAC RAM Upgrade : Electronics