Apple iMac 21.5" i5 2.7 (Mid 2011) - Technical data and benchmarks
Apple A1312 iMac 27" Mid 2011 2.7GHz i5 16GB RAM 1TB HDD macOS 10.13.6 Grade B | eBay
install - Installing and Upgrading Ram on a mid 2011 iMac (different size RAM) - Ask Different
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
16GB -2x8GB Memory Ram Upgrade for 27" Apple iMac-12.2 Core i5 2.7GHz Mid 2011 | eBay
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 27" Mid 2011 QHD i7-2600 32GB Ram 1TB HDD AMD HD 6970M HS OS DMG2 | eBay