2011 iMac CPU & SSD upgrade in Detail | 2020 - YouTube
Apple iMac 27” Mid 2011 A1312 MC813LL/A MC814LL/A Logic Board 820-2828 - NO CPU | eBay
2011 iMac 21.5” CPU Upgrade Full Tutorial! - YouTube
21.5 iMac Mid 2011 12,1 A1311 820-3126 Logic Board Core I5 "CPU Not In - Part Haven
Imac Mega Upgrade! RAM, CPU To I7 & SSD Upgrade -Still good in 2020 - YouTube
The Display - The 27-inch Apple iMac Review (2011)
Cracking Open the 27" Apple iMac (2011) | TechRepublic
Amazon.com: Valley Of The Sun 2GB Graphics Video Card Upgrade for Apple iMac Mid-2011 27 Inch Core i5 MC814LL/A MC814 A1312 Desktop All-in-One PC, AMD Mobility Radeon HD 6970M Replacement Repair Parts :
iMac Mid 2011 27" Upgrade Kit - Real Mac Mods
27" iMac A1312 MC813LL/A Mid 2011 820-2828 639-2289 NO CPU Logic Board | eBay
Apple iMac 27” Mid 2011 A1312 MC813LL/A MC814LL/A Logic Board 820-2828 - NO CPU | eBay
27" iMac A1312 MC813LL/A Mid 2011 Logic Board 820-2828 639-2289 CPU NO - Part Haven
iMac 5k 27'' CPU Upgrade - YouTube
Amazon.com: Odyson - Logic Board Replacement for Apple iMac 21.5" A1311 (Mid /Late 2011) : Electronics