How to upgrade RAM on MacBook (M1 & M2 Macs included)
iFixit Begins Selling 2018 Mac Mini RAM Upgrade Kit, Save Up to $275 Versus Apple - MacRumors
Apple iMac 21.5" - Early 2010 Reviews, Pros and Cons | TechSpot
How to upgrade RAM / Memory on a 2010 iMac Core i3 i5 i7 (21.5in & 27in) - YouTube
Amazon.com: Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1333MHz PC3-10600 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) RAM Upgrade : Electronics
How I kept my iMac running for a decade | Cult of Mac
How to Upgrade RAM on MacBook Pro, iMac & More | AVG