Apple iMac (21.5-Inch Mid 2011) 2.5GHz Intel Core i5, 500GB HD 16GB RAM with box | eBay
32.0GB OWC Memory Upgrade Kit For 2010-2011 Apple iMac
Apple iMac Upgrades | SimplyFixIt
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
Install memory in an iMac - Apple Support
How to Upgrade iMac RAM: 2012-2022: EveryMac.com
iMac Mid 2011 (21.5 – inch and 27 – inch) RAM Upgrade Dallas – Apple Mac Computer Repair Dallas , Laptop ,Desktop ,iMac ,MacBook iPhone iPad Data Recovery ,Virus
Install memory in an iMac - Apple Support
iMac 21.5" Mid 2011 How To Change/Upgrade Your Ram For Better Performance 2014 - YouTube
8GB Kit (2 x 4GB) PC3-10600 RAM for Apple iMac Mid 2011 - 21.5 Inch MC812LL/
HOW TO: Upgrade The RAM to 32GB on a Mid-2011 21.5inch iMac - YouTube