HOW TO: Upgrade The RAM to 32GB on a Mid-2011 21.5inch iMac - YouTube
iMac Intel 27" EMC 2309 and 2374 RAM Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
RAM Upgrade for iMac Mid 2011 21.5-inch | MacRumors Forums
Memory RAM Upgrade for Apple iMac 21.5-inch Mid 2011 4GB/8GB DDR3 SODIMM | eBay
Memory Upgrades for Apple iMac 2011 Up to 32GB
iMac Intel 21.5" EMC 2428 RAM Replacement - iFixit Repair Guide
2012 21.5-Inch Apple iMac Review: Slim, Sleek, And Stylish, But Far From Shallow | TechCrunch
Install memory in an iMac - Apple Support
Memory Upgrades for Apple iMac 2011 Up to 32GB
21.5-inch or 27-inch iMac (Mid 2011) Memory Installation iMac12,1 iMac12,2 - YouTube
iMac Core i5 / 2.5 21.5-Inch (Mid-2011) | iGotOffer
iMac Intel 21.5" EMC 2428 RAM Replacement - iFixit Repair Guide
Apple iMac 21.5-inch | Extended Warranties & Free Shipping
It's Alive! — DIY iMac SSD Upgrade (Intel Mid-2011, 21.5″) | ONEKSY
A-Tech 32GB (4x8GB) RAM for Apple iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
New 16GB 4x4GB Memory Apple iMac (21.5 and 27-inch, Mid 2011) PC3-10600
16GB (2X8GB) RAM Memory 4 Apple iMac "Core i5" 2.5 21.5-Inch (Mid-2011) A13 849005032452 | eBay
Differences Between Mid-2011 and Late 2012 Aluminum iMac: EveryMac.com
Review: 21.5-inch 2012 iMac takes two steps forward, one step back | Ars Technica
iMac 21.5" Mid 2011 How To Change/Upgrade Your Ram For Better Performance 2014 - YouTube
