Teardown of new 21.5-inch iMac surprisingly reveals user-upgradable RAM, modular CPU - 9to5Mac
I replaced my 2015 iMac with a 2013 Mac Pro and 4k monitor. I also upgraded the CPU in the Mac Pro. : r/macsetups
iMac A1419 (27-inch Retina 5K) Upgrade CPU Core i5 to Core i7 - YouTube
Upgrade your iMac with OWC, 2017 4K Retina Edition
Apple's 4K 21.5-Inch iMac Allows You to Upgrade RAM and CPU – Company Finally Dialing Down on Soldered Components, Reveals Teardown
iMac 5k 27'' CPU Upgrade - YouTube
21in 4K Retina iMac (2015) review | Macworld
iMac 5K - 4790K, M295X - thermal compound + second SSD upgrade + Air Vents MOD | MacRumors Forums
Apple iMac review (21.5-inch, 2015): 4K is optional, faster hard drives shouldn't be | Engadget
iMac 5K - Upgrading the CPU/SSD/RAM (with Pictures) | MacRumors Forums
OWC Tears Down iMac Retina 4K, Confirms Memory Is Soldered
Upgrade iMac Intel Core i3 CPU to Core i7 - iFixit Repair Guide
Hell freezes over: You can now upgrade your Mac at home | ZDNET
iMac 27" late 2015 CPU Upgrade - Success Story! | MacRumors Forums
Apple iMac with 4K Retina display (21.5-inch, 2015) review: Apple packs more pixels into its smallest iMac - CNET
Upgrade iMac Intel Core i3 CPU to Core i7 - iFixit Repair Guide
iMac Intel 27" Retina 5K Display 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 "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
Upgrade iMac Intel Core i3 CPU to Core i7 - iFixit Repair Guide
iMac 27" A1419 Late 2015 Logic Board W/ 2GB AMD Radeon R9 M390 GPU *NO CPU* | eBay
How to upgrade a Mac: Swap in new RAM, graphics card, hard drive and more | Macworld
iMac A1419 (27-inch Retina 5K) Upgrade CPU Core i5 to Core i7 - YouTube
Logic Board w/ CPU - iMac 21.5″ A1418 (Late 2015 4K)
Stayin' Alive: Upgrading the CPU, Hard Drive, and RAM on a 2006 iMac
Amazon.com: Late-2015 Apple iMac with 2.8GHz Intel Core i5 Quad-core (21.5-Inch, 8GB RAM, 1TB) (Renewed) : Electronics
