16Gb (4X4Gb) Memory RAM Compatible with Apple Imac "Core I5" 3.6 21.5-Inch (Mid-2010) By CMS A28 - Computer Memory Solutions
Timetec Hynix IC 16GB KIT(2x8GB) Compatible for Apple DDR3 PC3-8500 1067MHz/1066MHz Upgrade for MacBook 13'' Mid 2010, MacBook Pro 13'' Mid 2010, iMac 27''Late 2009, Mac Mini Mid 2010(16GB KIT(2x8GB)) Laptop Memory -
8GB PC3-10600 RAM for Apple iMac Mid 2010 - 27 Inch MC511LL/A Memory Upgrade Module