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
iMac 3 Tb Ssd Upgrade OWC Aura Pro X2 + Mercury Electra 6G | Shades Of Tech ⬡ - YouTube
How to Upgrade iMac Hard Drive or SSD 2012-2022: EveryMac.com