![HOW TO: Upgrade The CPU from an Intel Core i5 to an Intel Core i7 on a Mid-2011 21.5inch iMac - YouTube HOW TO: Upgrade The CPU from an Intel Core i5 to an Intel Core i7 on a Mid-2011 21.5inch iMac - YouTube](https://i.ytimg.com/vi/KHR3fiZS00g/maxresdefault.jpg)
HOW TO: Upgrade The CPU from an Intel Core i5 to an Intel Core i7 on a Mid-2011 21.5inch iMac - YouTube
![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/_processed_/4/4/csm_Screenshot_2021_06_08_153809_d83496d4d2.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://i0.wp.com/9to5mac.com/wp-content/uploads/sites/6/2017/07/snazzyq-imac-upgrade.jpg?resize=1200%2C628&quality=82&strip=all&ssl=1)