MacBook Pro (13-inch, Early 2011) - Technical Specifications
Upgrade the MBP MC724 Early 2011 — Hi, I am Benny
MacBook Pro Early 2011 Gets Teardown: New RAM Inside - SlashGear
Apple MacBook Pro Early 2011 Crucial Memory Upgrade - YouTube
Apple MacBook Pro Early 2011 Intel i7 2.2GHz 15 Inch 8gb RAM *Parts* | eBay
A-Tech 8GB 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 Module 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 15" Unibody Early 2011 RAM Replacement - iFixit Repair Guide
Apple MacBook Pro 13 (Early 2011) review: Apple MacBook Pro 13 (Early 2011) - CNET
Apple MacBook Pro 13.3" Laptop - Early 2011 Model 250GB SSD 4GB RAM | eBay
Apple MacBook Pro 15-Inch "Core i7" 2.2GHz Early 2011 MC723LL/A A1286 – Coretek Computers