Apple's new 21.5" iMac with 4K Retina screen has user replaceable RAM and modular CPU
Upgrade your iMac with OWC, 2017 4K Retina Edition
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Apple's New 21.5 Inch iMac Has Upgradeable Parts — That's a Huge Deal
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Apple 27" iMac with Retina 5K Display (Mid 2017) Z0TR-MNED43-BH
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The 21.5-inch iMac unofficially supports up to Intel Core i9 processors; surpasses the 24-inch iMac with an Apple M1 SoC - NotebookCheck.net News
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Apple's new 21.5" iMac with 4K Retina screen has user replaceable RAM and modular CPU
Upgrade your iMac with OWC, 2017 4K Retina Edition
Refurbished 27-inch iMac Pro 3.2GHz 8-core Intel Xeon W with Retina 5K display - Apple
Upgrading a 27-inch iMac 5K to 14 terabytes - Replacing the Fusion Drive with both a SSD and an harddisk
Amazon.com: OWC 32GB (2 x 16GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with Mac Mini (Late 2018), 27" and 21.5" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S32P) : Everything Else
Apple's New 21.5 Inch iMac Has Upgradeable Parts — That's a Huge Deal
iMac (Retina 5K, 27-inch, 2017) CPU and NVME SSD Upgrade Pitfalls and Tips | Page 5 | MacRumors Forums
iMac Intel 21.5" Retina 4K Display (2017) CPU Replacement - iFixit Repair Guide
![YouTuber upgrades base-model 5K iMac with seventh-gen Intel Core i7 processor, 64 GB of RAM, and more [Video] - 9to5Mac](https://9to5mac.com/wp-content/uploads/sites/6/2017/07/snazzyq-imac-upgrade.jpg?quality=82&strip=all&w=1600 "YouTuber upgrades base-model 5K iMac with seventh-gen Intel Core i7 processor, 64 GB of RAM, and more [Video] - 9to5Mac")
YouTuber upgrades base-model 5K iMac with seventh-gen Intel Core i7 processor, 64 GB of RAM, and more [Video] - 9to5Mac
iFixit Teardown of New 4K 21.5-inch iMac Reveals Removable RAM and Modular CPU
Upgrade your iMac with OWC, 2017 4K Retina Edition
iMac A1419 (27-inch Retina 5K) Fan Replacement - YouTube
