Apple iMac 2010 (Mid) 21.5-inch (iMac 11,2) SSD ,Ram & OSX Upgrades - ZD Laptop Service Centre
A-Tech 32GB (4x8GB) RAM for Apple iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
Install memory in an iMac - Apple Support
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
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
Apple iMac 21.5in (2010) Review | Trusted Reviews
Install memory in an iMac - Apple Support
Apple iMac 27" (Mid 2010) | 32GB RAM - computers - by owner - electronics sale - craigslist