Amazon.com: A-Tech 32GB Kit (4x8GB) RAM for Apple Mac Pro Early 2009, Mid 2010, Mid 2012 (4-Core, 6-Core, 8-Core, 12-Core) | DDR3 1066MHz PC3-8500R ECC RDIMM 2Rx4 1.5V 240-Pin Registered DIMM Memory
4GB DDR3 8500 PC3-1066MHz, 2Rx8 1067MHz SODIMM RAM Memory for Laptop Notebook MacBook Late 2008, Early/Mid/Late 2009, Mid 2010, MacBook Pro, iMac, Mac Mini at Amazon.com
A-Tech for Apple 6GB Kit (1x2GB + 1x4GB) DDR2 667MHz PC2-5300 200-pin SODIMM for MacBook (Late 2007, Early 2008, Early 2009), MacBook Pro (Mid 2007, Early 2008), iMac (Mid 2007) - Memory RAM Upgrade at Amazon.com
4GB DDR3-1066 (PC3-8500) RAM Memory Upgrade for The Apple iMac 2.66GHz 20" Early 2009 (MB417LL/A) (Genuine A-Tech Brand) at Amazon.com
16GB (4GBx4) Team High Performance Memory RAM Upgrade For iMac “Core 2 Duo” 3.06 21.5-Inch (Late 2009) MB950LL/A iMac 10,1 1. The Memory Kit comes with Life Time Warranty. at Amazon.com
OWC 16GB (4 x 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with iMac 21.5" and 27" (October/2009) at Amazon.com
Amazon.com: Late-2015 Apple iMac with 2.8GHz Intel Core i5 Quad-core (21.5-Inch, 8GB RAM, 1TB) (Renewed) : Electronics
8GB Kit (4GBX2) DDR3-1067Mhz for Early/Late 2009 iMac and 2009-2010 MacBook Pro at 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 at Amazon.com
NEMIX RAM 64GB 4X16GB Mac Pro 2009 2010 2012 Compatible Memory DDR3-1333 Upgrade Kit at Amazon.com
Adamanta 16GB (2x8GB) Apple Memory Upgrade DDR3L 1600MHz SODIMM Compatible for iMac (Mid 2011, Late 2012, Early/Late 2013, Late 2014, Mid 2015), MacBook Pro (Early/Late 2011, Mid 2012), Mac Mini RAM at Amazon.com
Amazon.com: OWC 16GB (2 x 8GB) PC8500 DDR3 ECC-R 1066MHz DIMMs Memory Compatible with Mac Pro Early 2009 & Late 2010 'Nehalem' & 'Westmere' Systems and Early 2009 Xserve. (OWC85MP3S8M16GK) : Everything Else
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
Timetec 16GB KIT(4x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 Dual Rank for iMac (Late 2009 21.5-inch / 27-inch) SODIMM Memory MAC RAM Upgrade for iMac 10,1 and iMac 11,1 at Amazon.com
CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core 2 Duo 3.06 21.5-Inch (Late 2009) - A35 at Amazon.com
parts-quick 6GB Kit (4GB + 2GB) Memory for iMac 2008 Apple MacBook 2009 PC2-6400 800MHz DDR2 SODIMM at Amazon.com
Amazon.com: Apple iMac 27" with Retina 5K Display, 3.3Ghz 6-Core Intel i5, 8GB RAM, 512GB SSD, AMD Radeon Pro 5300 4GB, Mid 2020 : Electronics