How-To: Boost your Mac's speed and prolong its useful life with easy RAM upgrades - 9to5Mac
How to upgrade RAM on iMac 21.5" 2011 - YouTube
iMac Intel 27" EMC 2429 (Mid 2011) Memory Maxxer RAM Upgrade Kit
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
Memory Upgrades for Apple iMac 2011 Up to 32GB
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iMac Intel 20" EMC 2105 and 2118 RAM Replacement - iFixit Repair Guide
Memory RAM Upgrade for Apple iMac 21.5-inch Mid 2011 4GB/8GB DDR3 SODIMM | eBay
21.5-inch or 27-inch iMac (Mid 2011) Memory Installation iMac12,1 iMac12,2 - YouTube
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How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
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install - Installing and Upgrading Ram on a mid 2011 iMac (different size RAM) - Ask Different
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Upgrade your iMac's RAM in less than 5 minutes - YouTube
Memory Upgrades for Apple iMac 2011 Up to 32GB
iMac 21.5" Mid 2011 How To Change/Upgrade Your Ram For Better Performance 2014 - YouTube
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How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
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