2013 iMac teardowns reveal SSD slots, soldered-in CPU in the 21.5” model | Ars Technica
Memory Upgrades for iMac 21.5-Inch 2012 - Late 2013
Memory Upgrades for iMac 21.5-Inch 2012 - Late 2013
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Apple iMac 2013 (Late) 21.5-inch (iMac 14,3) SSD ,Ram & OSX Upgrades - ZD Laptop Service Centre
Teardown of new 21.5-inch iMac surprisingly reveals user-upgradable RAM, modular CPU - 9to5Mac
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Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
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2012 21.5-Inch Apple iMac Review: Slim, Sleek, And Stylish, But Far From Shallow | TechCrunch
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How to Upgrade/Install Memory in a 21.5-inch iMac (Late 2012– Mid 2014) iMac14,1 iMac14,3 - YouTube
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Install memory in an iMac - Apple Support
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Memory upgrade: Apple iMac 2012/2013/2014 (Howto)
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