Amazon.com: Apple 21.5 inches iMac (Early 2019) with Retina 4K Core i3 3.0GHz 1TB Fusion 8GB (Renewed) : Electronics
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 :
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: Apple iMac 21.5 inches Retina 4K i5-8500 8 256GB SSD Radeon Pro 560X Silver MHK33LL (Renewed) : Electronics
OWC 2.0GB PC10600 DDR3 1333MHz SO-DIMM Compatible with 2011 MacBook Pro, Mid 2010/2011 21.5" & 27" iMac Models, 2011 Mac Mini (OWC1333DDR3S2GB) at Amazon .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
Amazon.com: ICTION New Replacement LCD Display Cable Compatible for iMac 21.5" A1311 Mid 2010 593-1280 593-1280-A 593-1280 A 593-1280A Series(JUST fit for 2010 Year iMac 21.5",NOT for 2011 Year) : Electronics
Amazon.com: LCD Panel Glass Bezel Replacement for iMac 21.5 Inch A1311 Year 2009 2010 2011 (iMac 21.5 Inch) : Electronics
Amazon.com: Lecho Front Glass Bezel Replacement for iMac 21.5 Inch A1311 Year 2009 2010 2011 : Electronics
OWC 24GB (2 x 4GB + 2 x 8GB) PC10600 DDR3 1333MHz SO-DIMMs Memory Compatible with 2011 MacBook Pro, Mid 2010/2011 21.5" & 27" iMac Models, 2011 Mac Mini (OWC1333DDR3S24S) at Amazon.com
NEMIX RAM 32GB (4x8GB Upgrade) DDR3-1333 PC3-10600 204-Pin SODIMM Memory for Apple MacBook Pro Early/Late 2011, iMac Mid 2010 27 inch 4-Core, iMac Mid 2011 21.5/27” , Mac Mini Mid 2011 at Amazon.com
Amazon.com: OWC OWCDIYIM27SSD10 Solid State Drive Kit for Apple iMac 2 : Electronics
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
Amazon.com: Original Graphics Video Card Replacement for Apple iMac Core i3 3.2 Mid-2010 21.5 Inch Desktop Computer A1311 MC509LL/A MC509, AMD ATI Radeon HD 5670 GDDR3 512MB, GPU Board Repair Parts : Electronics