32GB (4X8GB) Memory Ram Compatible with Apple iMac Core I7 3.4 27-Inch (Mid- 2011) by CMS C12 at Amazon.com
How to Upgrade Memory in a 21.5-inch or 27-inch iMac (Mid 2010) - YouTube
Install memory in an iMac - Apple Support
How to Upgrade the RAM in Your iMac
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 : LukeMianiYouTube
Installing and Upgrading Ram on a mid 2011 iMac (different size RAM) - Ask Different
How to install ram in an apple 27" imac (mid 2011) - B+C Guides