Apple iMac 2011 Memory 4GB DDR3 1333MHz PC3-10600 204-Pin
Timetec 80GB KIT(10x8GB) Compatible for Apple DDR3L 1600MHz PC3L-12800 CL11 for iMac (Mid 2011, Late 2012, Late 2013, Late 2014 Retina 5K, Mid 2015 Retina 5K) SODIMM Memory Module MAC RAM Upgrade
How to Improve Multitasking with an iMac Ram Upgrade?
iMac RAM Models 11.3 (i5 and i7 only) to 12.2 (8GBx4) | MacMemory.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
How to Upgrade the RAM in Your iMac | Envato Tuts+
Maximum memory for 2011 iMac - Ask Different
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
8GB Kit (2 x 4GB) PC3-10600 RAM for Apple iMac Mid 2011 - 21.5 Inch MC812LL/
Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3L 1600MHz for Mac Book Pro(Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM at Amazon.com
iMac RAM for Model 11.2 to 12.2 | DDR3-1066MHz | 4GBx2 | MacMemory.com
Install memory in an iMac - Apple Support
How to upgrade RAM on iMac 21.5" 2011 - YouTube
Memory Upgrades for Apple iMac 2011 Up to 32GB
Memory RAM Upgrade for Apple iMac 21.5-inch Mid 2011 4GB/8GB DDR3 SODIMM | eBay
Install memory in an iMac - Apple Support
A-Tech 16GB (2x8GB) RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch), Mac Mini (Mid 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com