Parts Apple iMac A1311 21.5" Logic Motherboard 2011 639-2347 820-3126-a No CPU for sale online | eBay
Upgrade processor iMac (mid 2010 specifically) - Ask Different
27-inch imac cpu upgrade? | MacRumors Forums
Amazon.com: Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3 1333MHz PC3-10600 CL9 for Mac Book Pro (Early/Late 2011 13/15/17 inch), iMac(Mid 2010, Mid/Late 2011 21.5/27 inch), Mac Mini(Mid 2011) MAC RAM Upgrade :
iMac Intel 21.5" EMC 2308 CPU Replacement - iFixit Repair Guide
Upgrade iMac Intel Core i3 CPU to Core i7 - iFixit Repair Guide
CPU Upgrade iMac Mid 2011 | Page 18 | MacRumors Forums
Upgrading a 2009 iMac CPU - Mac Yak
CPU Upgrade iMac Mid 2011 | Page 7 | MacRumors Forums
There is no "I" in Steve: iMac 21.5" mid 2011 CPU Upgrade and Repair
Apple iMac A1311 21.5" Mid 2011 Logic Board 820-2641-A , NO CPU INCLUDED | eBay
hard drive - Yet Another "Will This CPU Work?" - Mid 2011 iMac 27" Upgrade - Ask Different
2011 iMac CPU Upgrade - will a Xeon work? Also how about a k2100m at the same time! - YouTube
HOW TO: Upgrade The CPU from an Intel Core i5 to an Intel Core i7 on a Mid- 2011 21.5inch iMac - YouTube
A Pragmatist's Opinions: 2011 iMac Upgrade
Apple iMac 27" Core i7-2600 Quad-Core 3.4GHz All-In-One Computer - 4GB 1TB DVD±RW Radeon HD 6970M (Mid 2011) - B
CPU Upgrade iMac Mid 2011 | Page 3 | MacRumors Forums
How to: Upgrade CPU on your iMac 2011 27 inch in 2019 - YouTube
Upgrade iMac Intel Core i3 CPU to Core i7 - iFixit Repair Guide
Upgrade Options for Apple iMac 27-Inch 2011
2010 iMac CPU Upgrade - The whole process - YouTube
Upgrade iMac Intel Core i3 CPU to Core i7 - iFixit Repair Guide
ODD & CPU above 3000 RPM iMac 27 mid 2011… - Apple Community
iMac Intel 21.5" EMC 2428 CPU Replacement - iFixit Repair Guide
Further Explained: Apple's iMac 2011 Model Hard Drive 'Restrictions'
