How to Install RAM in an iMac. Extra memory, or Random Access Memory (RAM) can be inserted or installed into the memory slots of… | Imac, Repair videos, Ram upgrade
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
Maximum memory for 2011 iMac - Ask Different
Apple iMac 2011 Memory 4GB DDR3 1333MHz PC3-10600 204-Pin
How to upgrade RAM / Memory on a 2010 iMac Core i3 i5 i7 (21.5in & 27in) - YouTube
Install memory in an iMac - Apple Support
Memory Upgrades for Apple iMac 2011 Up to 32GB
Timetec Hynix IC 4GB Compatible for Apple DDR3L 1600MHz PC3L-12800 SODIMM Memory Upgrade for Early/Mid/Late 2011, Mid/Late 2012, Early/Late 2013, Late 2014, Mid 2015 MacBook Pro, iMac, Mac Mini (4GB) - Newegg.com
32.0GB OWC Memory Upgrade Kit For 2010-2011 Apple iMac
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
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 :
Install memory in an iMac - Apple Support
iMac 21.5" Mid 2011 How To Change/Upgrade Your Ram For Better Performance 2014 - YouTube
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
Timetec Hynix IC 32GB KIT(4x8GB) Compatible for Apple 27 inch Mid 2010 21.5/27 inch Mid 2011 iMac DDR3 1333MHz PC3-10600 CL9 204 Pin SODIMM Upgrade for iMac 11,3 iMac 12,1 iMac 12, 2 (32GB KIT(4x8GB)) - Newegg.com