Upgrade iMac Intel Core i3 CPU to Core i7 - iFixit Repair Guide
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 21.5” CPU Upgrade Full Tutorial! - YouTube
The CPU Selection - The 27-inch Apple iMac Review (2011)
iMac 2009 to 2011 (A1311/A1312) Upgrade Guide – MacintoshMen
iMac 27" A1419 Late 2015 Logic Board W/ 2 GB AMD Radeon R9 M395 GPU *N - Part Haven
Upgrade iMac Intel Core i3 CPU to Core i7 - iFixit Repair Guide
2011 iMac CPU Upgrade - will a Xeon work? Also how about a k2100m at the same time! - YouTube
How to: Upgrade CPU on your iMac 2011 27 inch in 2019 - YouTube
Apple iMac Upgrades | SimplyFixIt
A Pragmatist's Opinions: 2011 iMac Upgrade
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
iMac A1419 (27-inch Retina 5K) Upgrade CPU Core i5 to Core i7 - YouTube
27-inch imac cpu upgrade? | MacRumors Forums
iMac Repair & Upgrade, Same Day Services
iMac Mid 2011 27" Upgrade Kit - Real Mac Mods
Apple iMac 27” Mid 2011 A1312 Logic Board 820-2828-A + i-5 2400 3.1GHz WITH CPU | eBay
Upgrade processor iMac (mid 2010 specifically) - Ask Different