Amazon.com: Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3L 1600MHz for Mac Book Pro(Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM : Electronics
MacBook Pro 15" Unibody Early 2011 Teardown - iFixit
Apple MacBook Pro (13-inch, Early 2011) 2.3GHz Intel Core i5, 6GB RAM, 128GB SSD | eBay
MacBook Pro 13" Unibody Late 2011 RAM Replacement - iFixit Repair Guide
MacBook Pro Memory 8.1 to 8.3 | DDR3-1333 | 8GBx2 | MacMemory.com
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
MacBook Pro 13" Unibody Late 2011 RAM Replacement - iFixit Repair Guide
Samsung ram Memory Upgrade DDR3 PC3 12800, 1600MHz, 204 PIN, SODIMM for 2012 Apple MacBook Pro's, 2012 iMac's, and 2011/2012 Mac Mini's (8GB kit (2 x 4GB)) at Amazon.com
Apple Macbook Pro 15" A1286 Late 2011 16GB (2 x 8GB) Mac Memory CMSA16GX3M2A1600 | eBay
How To: MacBook Pro Late 2011 Memory Upgrade - 16GB (2 X 8GB) : 6 Steps - Instructables
13-inch MacBook Pro Early 2011 Memory Installation Video - YouTube
MacBook Pro: How to remove or install memory - Apple Support
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
CNET How To - Upgrade RAM on your MacBook Pro - YouTube
macos - What is the maximum amount of RAM a 2011 MacBook Pro can utilize? - Ask Different
Amazon.com: Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3L 1600MHz for Mac Book Pro (Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM : Electronics
Macbook Pro RAM 4GB (2 x 2GB) 2009 2010 2011 2012 A1278 A1286 13 15" DDR3 10600s 649528762009 | eBay
MacBook Pro: How to remove or install memory - Apple Support
MacBook Pro 13" Unibody Late 2011 RAM Replacement - iFixit Repair Guide