21.5" iMac Hard Drive SSD Upgrade or old drive replacement 2012-2017 (Including Retina) in 4k - YouTube
Upgrade the Hard Drive in 2009 and Later iMacs
Apple iMac 21.5” SSD Upgrade (2013-2015) HDD To Solid State Drive (SATA) | Step By Step - YouTube
OWC DIY Drive Upgrade/Install Kits for Apple iMac Models
How to Upgrade iMac Hard Drive or SSD 2012-2022: EveryMac.com
How to Upgrade iMac Hard Drive or SSD 2012-2022: EveryMac.com
2011 imac 27" 32GB - final stage of 1TB + 2TB SSD upgrade (replaced HDD & optic drive). Also cleaned out the fans and case. Running 'SSD Fan Control' & 'Macs Fan
OWC 1TB 6G SSD and HDD DIY Bundle Kit (for 21.5" iMac 2012 and Later) - Discontinued | Megamac