NEMIX RAM 16GB (2x8GB 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
APPLE IMAC 2011 , ALL-IN-ONE , 22″ inch , Intel Core i5 -2500S - 2.7 G – Montag Store
A-Tech 32GB (4x8GB) RAM for Apple iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
Apple iMac 21.5" Mid 2011 A1311 i5 2.5GHz 12 GB Ram 2TB HD Radeon HD DVD GRADE A – I.E.T. INDUSTRIAL ANTONIO PRIETO – SINCELEJO, SUCRE
Maximum memory for 2011 iMac - Ask Different
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
Apple MC309LL/A 21.5 inch iMac Core i5 2.5 GHz 4GB RAM 500GB HDD Mid-2011 | Recycledgoods.com
New 16GB 4x4GB Memory Apple iMac (21.5 and 27-inch, Mid 2011) PC3-10600 at Amazon.com
Apple iMac 3.0Ghz Core 2 Duo 21.5-Inch (Late-2009) *No HDD/RAM* – MSU Surplus Store
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
The Display - The 27-inch Apple iMac Review (2011)