Apple iMac 2011 Memory 4GB DDR3 1333MHz PC3-10600 204-Pin
CMS 8GB (2X4GB) DDR3 10600 1333MHZ NON ECC SODIMM Memory Ram Compatible with Apple Imac 27-Inch 3.1Ghz Intel Core I5 (Mc814Ll/A) - A29 - Walmart.com
iMac Memory for Model 13.2 to 15.1| DDR3-1600MHz | 4GB | MacMemory.com
CMS 16GB (4X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core I3 3.06 21.5-Inch (Mid-2010) - A28 at Amazon.com
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book, Mac Book Pro, iMac, Mac Mini (Late 2008, Early/Mid/Late 2009, Mid 2010) SODIMM Memory MAC RAM Upgrade
16GB 4GB DDR3 SODIMM 1333MHz Memory Kit For Apple iMac 2011 12.1 12.2 Memory IT | eBay
Apple Mac 8GB Memory 2x 4GB 1066MHz DDR3 PC3-8500 RAM for MacBook Pro iMac Mini 609465634098 | eBay
A-Tech 8GB RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch), Mac Mini (Mid 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Module at Amazon.com