MacBook Pro 13" Unibody Early 2011 RAM Replacement - iFixit Repair Guide
How to upgrade the RAM on your 13-inch MacBook Pro
MacBook Air 13" Mid 2011 Teardown - iFixit
MacBook Air 13-inch (Mid-2011) Teardown Reveals Replaceable SSDs - SlashGear
MacBook Pro: How to remove or install memory - Apple Support
MacBook Pro 13" Unibody Early 2011 RAM Replacement - iFixit Repair Guide
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
How to upgrade the RAM on your 13-inch MacBook Pro
Early 2011 MacBook Pro RAM Upgrade – Hack-the-Planet
APPLE 2011 MACBOOK PRO 13 MACOS 10.14 MOJAVE CORE i5 8GB RAM 256GB SSD WARRANTY | eBay
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
MacBook Pro: How to remove or install memory - Apple Support
MacBook Pro: How to remove or install memory - Apple Support
Macbook Pro RAM 4GB (2 x 2GB) 2009 2010 2011 2012 A1278 A1286 13 15" DDR3 10600s | eBay
Apple Adds Early 2011 13-Inch MacBook Pro to Obsolete Products List - MacRumors
How To: MacBook Pro Late 2011 Memory Upgrade - 16GB (2 X 8GB) : 6 Steps - Instructables
MacBook Pro 13" Unibody Late 2011 RAM Replacement - iFixit Repair Guide
macos - What is the maximum amount of RAM a 2011 MacBook Pro can utilize? - Ask Different
MacBook Pro Memory RAM Upgrades (Non-Retina) from OWC
4 Best RAM Upgrades for Old MacBook Pro (Reviews)
Adamanta 16GB (2x8GB) Compatible for MacBook Pro (Early/Late 2011, Mid 2012), iMac (Mid 2011, Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini DDR3L 1600MHz SODIMM Memory Upgrade at Amazon.com