iMac (Retina 5K, 27-inch, 2017) CPU and NVME SSD Upgrade Pitfalls and Tips | Page 5 | MacRumors Forums
![iMac receives major update featuring more powerful graphics, faster processors, Thunderbolt 3 and brighter displays - Apple iMac receives major update featuring more powerful graphics, faster processors, Thunderbolt 3 and brighter displays - Apple](https://www.apple.com/newsroom/images/product/mac/standard/new_2017_imac_full.jpg.og.jpg)
iMac receives major update featuring more powerful graphics, faster processors, Thunderbolt 3 and brighter displays - Apple
![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 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](https://www.notebookcheck.net/fileadmin/Notebooks/News/_nc3/Screenshot_2021_06_08_153809.png)
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
![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](https://9to5mac.com/wp-content/uploads/sites/6/2017/07/snazzyq-imac-upgrade.jpg?quality=82&strip=all)