8GB -2x4GB Memory Ram Upgrade for 21.5" Apple iMac 11.2 Core i3 3.2GHz Mid 2010 | eBay
Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3L 1600MHz for Early/Mid/Late Mac Book Pro(2011- 2012), iMac(2011- 2015), Mac Mini(2011- 2012) MAC RAM at Amazon.com
Apple iMac 2009 2010 2011 Ram Memory 4GB DDR3 PC3-8500 1067Mhz 1 X 4GB Stick | eBay