iMac Intel 21.5" EMC 2428 RAM Replacement - iFixit Repair Guide
How (And Why) To Install More RAM In Your iMac
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
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
OFFTEK 2GB Replacement Memory RAM Upgrade for Apple iMac 2.5GHz Intel Quad-Core i5 - (21.5-Inch) (DDR3 - Mid 2011) (DDR3-10600) Desktop Memory at Amazon.com
Install memory in an iMac - Apple Support
iMac RAM Models 11.3 (i5 and i7 only) to 12.2 (8GBx4) | MacMemory.com
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
iMac Intel 21.5" EMC 2428 RAM Replacement - iFixit Repair Guide
Apple iMac 2011 Memory 4GB DDR3 1333MHz PC3-10600 204-Pin
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iMac 21.5" Mid 2011 How To Change/Upgrade Your Ram For Better Performance 2014 - YouTube
16GB -2x8GB Memory Ram Upgrade for 27" Apple iMac-12.2 Core i5 2.7GHz Mid 2011 | eBay
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iMac 27" A1312 2011 MC814LL/A Genuine RAM Memory 2GB 1Rx8 PC3-10600S-9-10-B2 | eBay
16GB 1333 MHz DDR3 Memory for 2011 MacBook Pro and iMac
Install memory in an iMac - Apple Support
Memory RAM Upgrade for Apple iMac 21.5-inch Mid 2011 4GB/8GB DDR3 SODIMM | eBay
iMac Intel 21.5" EMC 2428 RAM Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
