parts-quick 4GB 2X 2GB PC3-8500 1067MHz Memory for Apple iMac MacBook DDR3 RAM 204 Pin SO-DIMM at Amazon.com
Adamanta 32GB (4x8GB) Apple Memory Upgrade Compatible with Late 2015 iMac 27" Retina 5K Display DDR3/DDR3L 1867Mhz PC3L-14900 SODIMM 2Rx8 CL13 1.35v RAM DRAM at Amazon.com
Amazon.com: OWC 16GB (4 x 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with iMac 21.5" and 27" (October/2009) : Everything Else
Amazon.com: OWC 8 GB (2 X 4GB) ram PC8500 DDR3 1066MHz sodimm 204-pin Memory Upgrade Kit, (OWC8566DDR3S8GP), Compatible with MacBook Pro, MacBook, Mac Mini and iMac : Everything Else
OFFTEK 8GB Replacement Memory RAM Upgrade for Apple iMac 3.4GHz Intel Quad-Core i5 - (27-inch) (Late 2013) (DDR3-12800) Desktop Memory at Amazon .com
Ramjet 32GB DDR3-1600 PC3-12800 DDR3 1600Mhz SO-DIMM Kit for Apple iMac (4X 8GB) at Amazon.com
A-Tech for Apple 8GB Kit (2X 4GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM MacBook, MacBook Pro, iMac, Mac Mini (Late 2008 Early/Mid/Late 2009 Mid 2010) Memory RAM at Amazon.com
Amazon.com: Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3 1333MHz PC3-10600 CL9 for Mac Book Pro (Early/Late 2011 13/15/17 inch), iMac(Mid 2010, Mid/Late 2011 21.5/27 inch), Mac Mini(Mid 2011) MAC RAM Upgrade :
8GB Kit Apple iMac, MacBook, MacBook Pro Memory Upgrade (MD019G/A MC702G/A) 2 x 4GB DDR3 PC3-10600 SODIMMs at Amazon.com
CMS 16GB (4X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac 27" 2.8Ghz Intel Core I5 Quad Core Mc511Ll/A - A28 at Amazon.com
8GB 2 X4GB Memory for iMac 27" inch 3.2GHz Quad Core Intel Core i5 Late 2013 ME088LL/A 1600MHz DDR3 (PC3-12800) SO-DIMMs RAM (PARTS-QUICK Brand) at Amazon.com
NEMIX RAM 4GB (1X4GB) DDR3 1066MHZ PC3-8500 MacBook Pro (Late 2006 - Late 2008) Pre-unibody iMac (Early & Mid 2009) iMac (Late 2009) MacBook Pro (Late 2008 - 2010) Compatible Memory at Amazon.com
DDR3 16GB Kit (4 x 4gb) RAM DDR3 1333MHz SODIMM RAM PC3 10600S CL9 1.5V 204 Pin Non-ECC Black Board for Mac / iMac / Laptop at Amazon.com
Amazon.com: Apple iMac MK482LL/A 27-Inch Retina 5K Display Desktop (Intel Quad-Core i5 3.3GHz, 8GB RAM, 2TB Fusion Drive, Mac OS X), Silver (Renewed) : Electronics
8GB [2x4GB] DDR3-1333 RAM Memory Upgrade Kit for The Apple iMac 11,2 (21.5-inch, 3.2GHz, MC509LL/A) Intel Core i3 (Genuine A-Tech Brand) at Amazon.com