CMS 4GB (2X2GB) DDR3 10600 1333MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with Apple® Imac "Core I5" 2.7 27-Inch (Mid-2011) - A45 - Walmart.com
CMS 8GB (2X4GB) RAM Memory 4 Apple iMac "Core i5" 2.7 21.5-Inch (Mid-2011) - Walmart.com
OWC 8GB (2 x 4GB) PC12800 DDR3L 1600MHz SO-DIMMs Memory Compatible with 2011-2015 iMac, 2011-12 Mac Mini, and 2011-2012 MacBook Pro (Non-Retina Display) Models (OWC1600DDR3S08S) at Amazon.com
4GB PC10600 DDR3 1333MHz SO-DIMM Memory Compatible with 2011 MacBook Pro, Mid 2010/2011 21.5" & 27" iMac Models, 2011 Mac Mini (OWC1333DDR3S4GB) at Amazon.com
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
iMac Intel 21.5" EMC 2428 RAM Replacement - iFixit Repair Guide
16GB Kit (2 x 8GB) PC3-10600 RAM for Apple iMac Mid 2011 - 27 Inch MC813LL/
Shop Imac Mid 2011 Memory Upgrade | UP TO 59% OFF
Maximum memory for 2011 iMac - Ask Different
iMac RAM for Model 11.2 to 12.2 | DDR3-1066MHz | 4GBx2 | MacMemory.com
Memory RAM Upgrade for Apple iMac 21.5-inch Mid 2011 4GB/8GB DDR3 SODIMM | eBay
New 16GB 4x4GB Memory Apple iMac (21.5 and 27-inch, Mid 2011) PC3-10600 at Amazon.com
iMac RAM Memory Installation 2009 2010 2011 21 5" Apple Dollars #13 - YouTube
![32GB (4X8GB) RAM Memory 4 Apple iMac "Core i3" 3.1 21.5-Inch (Late 2011 C12 | eBay](https://i.ebayimg.com/images/g/6X8AAOSwdd5dI2uo/s-l1600.jpg "32GB (4X8GB) RAM Memory 4 Apple iMac "Core i3" 3.1 21.5-Inch (Late 2011 C12 | eBay")
32GB (4X8GB) RAM Memory 4 Apple iMac "Core i3" 3.1 21.5-Inch (Late 2011 C12 | eBay
MacBook Pro 17" Unibody (Early 2011) Memory Maxxer RAM Upgrade Kit
32.0GB OWC Memory Upgrade Kit For 2010-2011 Apple iMac
iMac Intel 21.5" EMC 2428 (Mid 2011) Memory Maxxer RAM Upgrade Kit
Install memory in an iMac - Apple Support
How to upgrade RAM on iMac 21.5" 2011 - YouTube
