iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
A-Tech 32GB (4x8GB) RAM for Apple iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
iMac | 2.8 GHz Intel i5 | 27 Inch | Mid 2010 - Techable.com
Install memory in an iMac - Apple Support
iMac Intel 27" EMC 2390 RAM Replacement - iFixit Repair Guide
How To Upgrade RAM in a Mac | Macworld
iMac 21.5" 3.06GHz C2D/4GB/256GB/Late 2009 - MacEnthusiasts
iMac Intel 27" EMC 2309 and 2374 RAM Replacement - iFixit Repair Guide
iMac RAM Memory Installation 2009 2010 2011 21 5" Apple Dollars #13 - YouTube
Install memory in an iMac - Apple Support
Apple iMac 2.9Ghz i7-870 27-Inch (Mid-2010) *NO HDD/RAM Cracked Screen – MSU Surplus Store
32.0GB OWC Memory Upgrade Kit For 2010-2011 Apple iMac
Install memory in an iMac - Apple Support
How to upgrade RAM / Memory on a 2010 iMac Core i3 i5 i7 (21.5in & 27in) - YouTube
iMac "Core i3" 3.2 27" (Mid-2010) Specs (Mid-2010, MC510LL/A, iMac11,3, A1312, 2390): EveryMac.com
Apple iMac 27-inch (Core i5) Review | Digital Trends
Install memory in an iMac - Apple Support
Apple iMac 21.5" - Early 2010 Reviews, Pros and Cons | TechSpot
Apple iMac A1311 21.5 inch 12GB RAM 500GB SSD Desktop - MC508LL/A (July, 2010) 411378079473 | eBay
How-To: Boost your Mac's speed and prolong its useful life with easy RAM upgrades - 9to5Mac
