2010 iMac CPU Upgrade - The whole process - YouTube
How to: Upgrade CPU on your iMac 2011 27 inch in 2019 - YouTube
iMac Repair & Upgrade, Same Day Services
Upgrade iMac Intel Core i3 CPU to Core i7 - iFixit Repair Guide
Further Explained: Apple's iMac 2011 Model Hard Drive 'Restrictions'
iMac Mid 2011 27" Upgrade Kit - Real Mac Mods
Teardown of new 21.5-inch iMac surprisingly reveals user-upgradable RAM, modular CPU - 9to5Mac
Upgrade iMac Intel Core i3 CPU to Core i7 - iFixit Repair Guide
Upgrade iMac Intel Core i3 CPU to Core i7 - iFixit Repair Guide
2 GB Graphics Video Card GPU Upgrade Replacement for Apple iMac Mid-2011 A1312 27 Inch Core i7 3.4 i5 3.1 Desktop Computer, New AMD Radeon HD 6970M HD6970M 2GB MXM Board Repair Parts
27-inch imac cpu upgrade? | MacRumors Forums
2 GB Graphics Video Card GPU Upgrade Replacement for Apple iMac Mid-2011 A1312 27 Inch Core i7 3.4 i5 3.1 Desktop Computer, New AMD Radeon HD 6970M HD6970M 2GB MXM Board Repair Parts
Apple iMac Upgrades | SimplyFixIt
2011 imac 27" 32GB - final stage of 1TB + 2TB SSD upgrade (replaced HDD & optic drive). Also cleaned out the fans and case. Running 'SSD Fan Control' & 'Macs Fan
2011 iMac CPU Upgrade - will a Xeon work? Also how about a k2100m at the same time! - YouTube
iMac 21.5" Late 2009 (10,1) - CPU Upgrade E8600 | MacRumors Forums
Upgrade iMac Intel Core i3 CPU to Core i7 - iFixit Repair Guide