How to Upgrade Memory in a 21.5-inch or 27-inch iMac (Mid 2010) - YouTube
32GB (4 x 8GB) PC10600 DDR3 1333MHz SO-DIMMs Memory Compatible with 2011 MacBook Pro, Mid 2010/2011 21.5" & 27" iMac Models, 2011 Mac Mini (OWC1333DDR3S32S) at Amazon.com
How to upgrade RAM / Memory on a 2010 iMac Core i3 i5 i7 (21.5in & 27in) - YouTube
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 -
2009 2010 Apple Mac mini IMAC macbook pro memory RAM 8GB 2x4GB DDR3 1066 1067
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
OWC Performance Upgrades for iMac 2010
Is it worth it to upgrade RAM on Mid 2010 21.5 iMac? | MacRumors Forums
iMac 27" Mid 2010 i7 CPU 20GB ram 1TB HD, OSX High Sierra, 4k USB camera giving garbage pattern on camera feed to Lightburn - LightBurn Hardware Compatibility - LightBurn Software Forum
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
Saved this 2010 i3 iMac from the bin and gave him a new youth with 16GB of RAM and an SSD. It became really snappy, and I'm starting to use it as
Install memory in an iMac - Apple Support
Apple iMac 21.5" - Early 2010 Reviews, Pros and Cons | TechSpot