How To Upgrade RAM in a Mac | Macworld
21.5-inch or 27-inch iMac (Mid 2011) Memory Installation iMac12,1 iMac12,2 - YouTube
Maximum memory for 2011 iMac - Ask Different
Install memory in an iMac – Apple Support (UK)
Install memory in an iMac - Apple Support (CA)
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
32.0GB OWC Memory Upgrade Kit For 2010-2011 Apple iMac
iMac | 2.7 GHz Intel i5 | 21.5 Inch | Mid 2011 - Techable.com
By the numbers: Apple's new iMac vs. the Windows 8 all-in-one competition - The Verge
RAM Upgrade for iMac Mid 2011 21.5-inch | MacRumors Forums
21.5" mid 2011 iMac performance on DOTA 2 | MacRumors Forums
OWC 16.0GB (4 x 4GB) 1333MHz 204-Pin DDR3 SO-DIMM PC3-10600 CL9 Memory Compatible with iMac (OWC1333DDR3S16S) at Amazon.com
Upgrade Your 2011 Mac Mini To 16GB Of RAM - YouTube
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Apple iMac 21.5" Mid 2011 Core i5 2.5GHz 4GB RAM NO HDD CHIPPED #XI | eBay
Review: 21.5-inch 2012 iMac takes two steps forward, one step back | Ars Technica
Install memory in an iMac - Apple Support
iMac (21.5-inch, Mid 2011) - Technical Specifications
CMS 8GB (2X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® Mac Mini Core I7 2.7 (Mid-2011) - A29 at Amazon.com
Adamanta 16GB (2x8GB) Apple Memory Upgrade DDR3L 1600MHz SODIMM Compatible for iMac (Mid 2011, Late 2012, Early/Late 2013, Late 2014, Mid 2015), MacBook Pro (Early/Late 2011, Mid 2012), Mac Mini RAM at Amazon.com
Memory Upgrades for Apple iMac 2011 Up to 32GB
iMac "Core i5" 2.7 27" (Mid-2011) Specs (Mid-2011, MC813LL/A, iMac12,2, A1312, 2429): EveryMac.com
A-Tech 16GB Kit (2x8GB) RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
iMac "Core i5" 2.7 21.5" (Mid-2011) Specs (Mid-2011, MC812LL/A, iMac12,1, A1311, 2428): EveryMac.com
iMac (27-inch, Mid 2011) - Technical Specifications
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
