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Can you upgrade the RAM in the 27-inch iMac? | iMore
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
How to upgrade the 27-inch 5K iMac (2019) with a massive 128GB of RAM [Video] - 9to5Mac
How To Upgrade RAM in a Mac | Macworld
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How to Upgrade iMac Hard Drive or SSD 2012-2022: EveryMac.com
27" iMac (Late 2013) 16GB RAM Upgrade how to - YouTube