HOW TO: Upgrade The RAM to 32GB on a Mid-2011 21.5inch iMac - YouTube
Install memory in an iMac - Apple Support
iMac Intel 21.5" EMC 2389 RAM Replacement - iFixit Repair Guide
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
Maximum memory for 2011 iMac - Ask Different
A-Tech 32GB Kit (4x8GB) RAM for Apple iMac (Late 2012, Late 2013, Late 2014, Mid 2015) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
Apple iMac 27" Quad Core i5 2.7Ghz 16GB 1TB (Mid, 2011) A Grade 6 M Warranty - USMAC | Online IT Store for refurbished apple products
Apple Launching Pilot Program Allowing Repairs of Soon-to-Be Vintage Mid 2011 iMac in United States - MacRumors
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
iMac Intel 27" EMC 2429 RAM Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
iMac Intel 21,5" Mid 2011 EMC 2428 - used original spareparts for Macs
2012 21.5-Inch Apple iMac Review: Slim, Sleek, And Stylish, But Far From Shallow | TechCrunch
iMac Intel 21.5" EMC 2428 (Mid 2011) Memory Maxxer RAM Upgrade Kit
iMac (27-inch, 3.4GHz Intel Core i7, Mid 2011) | iGotOffer
