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
A-Tech 16GB (2x8GB) RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch), Mac Mini (Mid 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
MacBook Pro - Wikipedia
Step 2: Remove The Battery
About Macbook Pro Upgrades
2010 Apple MacBook Pro 15” Laptop Intel Core i5, 500GB Storage, 4GB RAM | PCS Computers
Macbook Pro (2012 - Late 2016) Non-Retina
USED APPLE MacBook Pro 2010 (A1286) 15" INTEL 2.4GHz Core i5 8GB RAM 250 GB HDD | eBay
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Gb
8GB DDR3 RAM for iMac, MacBook, and Mac mini 2009-2010
Apple MacBook Pro (15-Inch, Mid 2010) Core i7 2.66GHz 8GB Ram 500GB SSD *NO CD* | eBay
Amazon.com: Timetec 16GB KIT(2x8GB) 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) MAC RAM Upgrade :
Apple MacBook Pro 15-inch Mid 2010 2.8GHz Intel Core i7 (MC847LL/A) – UNICOM, Inc.
A-Tech for Apple 8GB Kit (2X 4GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM MacBook Pro (Late 2008 Early/Mid 2009 Mid 2010, 13/15/17 inch), iMac (Early/Mid/Late 2009, 20/24/21.5/27 inch) Memory RAM at Amazon.com
Apple MacBook Pro 13 inch 2010-04 - Notebookcheck.net External Reviews
16GB RAM in a Mid 2010 MacBook Pro | MacRumors Forums