2017 21.5-inch 4K iMac memory upgrade kit includes 32GB of RAM, tools to take it apart | AppleInsider
64GB RAM upgrade kit for 21.5-inch iMAC now offered by OWC - 9to5Mac
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memory - RAM freezes and crashes my iMac after upgrade to iMac late 2015 - Ask Different
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Mac Store UK Apple iMac 21.5 Inch Late 2015 - 2.8GHz i5 - 16GB RAM - 1TB Drive (B)
iMac SSD plaatsen? Wacht niet langer. - onlinemacwinkel
OWC Tears Down iMac Retina 4K, Confirms Memory Is Soldered
Teardown of new 21.5-inch iMac surprisingly reveals user-upgradable RAM, modular CPU - 9to5Mac
How to Upgrade/Install Memory in a 21.5-inch iMac (Late 2012– Mid 2014) iMac14,1 iMac14,3 - YouTube
How to Upgrade/Install Memory in a 21.5-inch iMac (Late 2012– Mid 2014) iMac14,1 iMac14,3 - YouTube
Install memory in an iMac - Apple Support
Apple 21.5" iMac with Retina 4K Display Z0RS-MK45217-BH B&H
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iMac (21.5-inch, 1.6GHz Intel Core i5, Late 2015) | iGotOffer
Install memory in an iMac - Apple Support
Memory Upgrades for iMac w/ Retina 5K Display Late 2015
How To Upgrade RAM in a Mac | Macworld
Install memory in an iMac - Apple Support
