How to Install macOS Catalina on an Unsupported Mac - MacRumors
Easily add an SSD to ANY iMac 2012-2019 model - YouTube
Amazon.com: OWC SSD Upgrade Bundle for 2012-2019 21.5" iMacs, OWC Mercury Electra 1.0TB 6G SSD, OWC Express 2.5" USB 3.0 HDD Enclosure, Installation Tools and iMac Screen Adhesive Tape Set : Electronics
Fix Any Slow iMac 2012-2020 - Install SSD Externally - YouTube
How to Install OSX on External SSD USB 3.0 or Thunderbolt - YouTube
Fix Any Slow iMac 2012-2020 - Install SSD Externally - YouTube
Using an External as Your Startup Drive: Part 1
iMac Intel 21.5" A1418/A2116 (Late 2012-2019) SSD Upgrade Kit
Mac Or MacBook Doesn't Recognize External Drives, Troubleshooting Tips - AppleToolBox
External SSD drives for late-2015 iMac 5K | MacRumors Forums
OWC Envoy Pro Portable, Bus-Powered USB 3.0 SSD Enclosure
OWC SSD Upgrade Kits For 21.5-Inch iMac 2011
iMac Intel 21.5" and 27" (Mid 2011) Crucial SSD Upgrade Kit
How to Install OSX on External SSD USB 3.0 or Thunderbolt - YouTube
Amazon.com: Apple iMac 21.5in 2.7GHz Core i5 (ME086LL/A) All In One Desktop, 8GB Memory, 1TB Hard Drive, Mac OS X Mountain Lion (Renewed) : Electronics
Tech Tip: How to Use Boot Camp on an External Drive
OWC DIY Drive Upgrade/Install Kits for Apple iMac Models
How to Dual Boot and Install macOS Monterey on to an External SSD Drive with M1 Max MacBook Pro & M1 - YouTube
Amazon.com: External Game Drive 3.0 USB Portable Gaming Hard Drive, Store and Back Up Games, Suitable for Consoles, Computer Gaming, PS4, PS3, PC Gaming, Android Games, Mac and Many More - 500GB :
Booting an M1 Mac from an external disk: it is possible – The Eclectic Light Company
Install & Run macOS Sierra on External SSD or USB Flash Drive - YouTube
Two Quick And Easy Ways To Speed Up Your Apple Mac
Stand & Hub for Mac Mini with SSD Enclosure
