Early 2011 Macbook Pro Upgrades | MacRumors Forums
MacBook Pro 15.4" is Fast! (review)
Can I use 1600mhz Ram for Early 2011 MBP? - Apple Community
Apple MacBook Pro Core i5 2.3GHz 16GB RAM 128GB SSD 13" MC700LL/A (2011) - Good | eBay
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
Apple MacBook Pro A1278 Early 2011 13" Laptop Intel Core i5 16GB RAM 320GB HDD | eBay
Apple Macbook Pro 13 inch Early 2011 2.3 GHz Intel Core i5 16GB RAM 500GB SSD | eBay
macos - What is the maximum amount of RAM a 2011 MacBook Pro can utilize? - Ask Different
Adamanta 16GB (2x8GB) Apple Memory Upgrade DDR3L 1600MHz SODIMM Compatible for iMac (Mid 2011, Late 2012, Early/Late 2013, Late 2014, Mid 2015), MacBook Pro (Early/Late 2011, Mid 2012), Mac Mini at Amazon.com