How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
Amazon.com: Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1333MHz PC3-10600 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) RAM Upgrade : Electronics
16GB -2x8GB Memory Ram Upgrade for 27" Apple iMac-12.2 Core i7 3.4GHz Mid 2011 | eBay
21.5” mid-2011 iMac wires? Finally trying to upgrade my RAM and these wires are blocking the slot — did get an iMac with poor build quality? What can I do? : r/mac
Installazione RAM iMac Intel 27" EMC 2309 ed EMC 2374 - Guida di riparazione iFixit
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
Memory Upgrades for Apple iMac 2011 Up to 32GB
iMac (27-inch, Mid 2010/Mid 2011, A1312) - Dr. Macbook Thailand
Sostituzione Memoria RAM dell'iMac Intel EMC 2546 da 27" - Guida di riparazione iFixit
Installare la memoria in un iMac - Supporto Apple (IT)
How to Upgrade iMac RAM: 2012-2022: EveryMac.com
NEMIX RAM 32GB (4x8GB Upgrade) DDR3-1333 PC3-10600 204-Pin SODIMM Memory for Apple MacBook Pro Early/Late 2011, iMac Mid 2010 27 inch 4-Core, iMac Mid 2011 21.5/27”, Mac Mini Mid 2011 at Amazon.com