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 at Amazon.com
Cracking Open the 27" Apple iMac (2011) | TechRepublic
Apple iMac 27" 2011 Intel Core i5 2.7GHz 1TB HDD 4GB RAM - A Grade Refurbished | Groupon
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
How to upgrade RAM on iMac 21.5" 2011 - YouTube
Picked up this iMac (27", mid 2011) i7 @ 3.4GHz , 16 gb ram , 256 SSD in excellent condition for $210. Should I make any upgrades ? GPU, bigger SSD? Thanks : r/LukeMianiYouTube
NEMIX RAM 16GB (2x8GB Upgrade) DDR3-1333 PC3-10600 204-Pin SODIMM Memory for Apple MacBook