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 :
MacBook Pro 15" Unibody (Late 2011) Memory Maxxer RAM Upgrade Kit - iFixit Store
Apple MacBook Pro 15" i7 2.2GHz 4GB RAM 750GB HDD Early 2011 10.12 Sierra | eBay
MacBook Pro 15" Unibody Late 2011 RAM Replacement - iFixit Repair Guide
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
Apple MacBook Pro 15 (Early 2011) review: Apple MacBook Pro 15 (Early 2011) - CNET
15-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube
Sell your MacBook Pro (15-inch, Late 2011) online for the most cash fast
MacBook Pro: How to remove or install memory - Apple Support
macbook pro late 2011 15'' - Apple Community
MacBook Pro 15" Unibody Late 2011 RAM Replacement - iFixit Repair Guide
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
Apple Macbook Pro 15" A1286 Late 2011 16GB (2 x 8GB) Mac Memory CMSA16GX3M2A1600 | eBay
16GB kit (8GBx2) Upgrade for a Apple MacBook Pro 2.2GHz Intel Quad-Core i7 ( 15-inch DDR3) Late-2011 System DDR3 PC3-10600 1333 Mhz by Xtremeram at Amazon.com
Apple 15-inch MacBook Pro (Late 2011) Review
MacBook Pro 15-inch Late 2011 | Skopje
Upgrading the Late 2011 MacBook Pro to 16 GB of RAM! - YouTube