Amazon.com: OWC 16GB (4 x 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with iMac 21.5" and 27" (October/2009) : Everything Else
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 2GB DDR3 1067MHz / 1066MHz PC3-8500 SODIMM iMac (Early/Mid/Late 2009, 20/24 inch, 21.5/27 inch), Mac Mini (Early/Late 2009 Mid 2010) Memory RAM Upgrade Module at Amazon.com
Amazon.com: parts-quick 2GB Memory for Apple iMac Intel Core 2 Duo Early 2008 20 inch 24 inch and for White MacBook Mid 2009 13 inch 800MHz DDR2 PC2-6400 SO-DIMM : Electronics
A-Tech 16GB (2x8GB) RAM for Apple iMac 2017 (27 inch Retina 5K & 21.5 inch Retina 4K) | DDR4 2400MHz SODIMM PC4-19200 1.2V 260-Pin SO-DIMM Memory Upgrade Kit at Amazon.com
Apple iMac 21.5-inch 3.3GHz Core i3 (Early 2013) ME699LL/A (Renewed)
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
Apple iMac MK462LL/A 27-inch Desktop 5K Display 16GB Ram | 1TB Hard Drive (Renewed)
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 at Amazon.com
Amazon.com: OWC 2.0TB HDD Upgrade Kit Compatible With 2009-2010 iMacs, Includes: Thermal Sensor, Tools, 2.0TB Hard Drive : Electronics
Amazon.com: Apple 2021 iMac All-in-one Desktop Computer with M1 chip: 8-core CPU, 7-core GPU, 24-inch Retina Display, 8GB RAM, 256GB SSD Storage, Matching Accessories. Works with iPhone/iPad; Blue : Electronics
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book,
OFFTEK 4GB Replacement Memory RAM Upgrade for Apple iMac 2.66GHz Intel Core 2 Duo - (24-Inch) (DDR3) (MB418LL/A - Early 2009) (DDR3-8500) Desktop Memory at Amazon.com
Genuine 8X DL SuperDrive Optical Drive for Apple iMac Late 2009 21.5 Inch Core 2 Duo 3.06 A1311 MB950LL/A MB950 Desktop PC, Super Multi DVD+-R/RW DL DVD-RAM Burner CD-RW Writer
CMS 4GB (2X2GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Early 2009 LAT 2009 Core 2 Duo DDR3 1067 MHz RAM - A47