HOW TO: Upgrade The RAM to 32GB on a Mid-2011 21.5inch iMac - YouTube
Maximum memory for 2011 iMac - Ask Different
iMac Intel 21.5" EMC 2428 (Mid 2011) Memory Maxxer RAM Upgrade Kit
Teardown of new 21.5-inch iMac surprisingly reveals user-upgradable RAM, modular CPU - 9to5Mac
The New 2011 iMacs: Specs and Details
iMac 21,5 2009-2011 LGA 1156 with i7, works good!! | MacRumors Forums
Memory RAM Upgrade for Apple iMac 21.5-inch Mid 2011 4GB/8GB DDR3 SODIMM | eBay
Apple iMac MC309LL/A Mid 2011 Silver 21.5-inch- 8GB RAM - 500GB HDD - 2.5GHz i5-2400S (Scratch and Dent) - Walmart.com
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
iMac RAM Memory Installation 2009 2010 2011 21 5" Apple Dollars #13 - YouTube
Install memory in an iMac - Apple Support
Sold - 21.5" iMac Mid 2011 // $495 - Boulder Mac Repair
Apple iMac 2011 (Mid) 21.5-inch (iMac 11,2) SSD ,Ram & OSX Upgrades - ZD Laptop Service Centre
Memory Upgrades for Apple iMac 2011 Up to 32GB
Memory Upgrades for Apple iMac 2011 Up to 32GB
It's Alive! — DIY iMac SSD Upgrade (Intel Mid-2011, 21.5″) | ONEKSY
Install memory in an iMac - Apple Support
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
A-Tech 16GB (4x4GB) RAM for Apple iMac (Mid 2010, Mid 2011, Late 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
2012 21.5-Inch Apple iMac Review: Slim, Sleek, And Stylish, But Far From Shallow | TechCrunch
iMac Intel 21.5" EMC 2428 RAM Replacement - iFixit Repair Guide
What to do when your iMac won't turn on?
