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
DIY】iMac 21.5インチ 自分でSSD換装 – Macガレージ
Can't find my SSD hard drive on iMac Late… - Apple Community
iMac 21.5、HDDからSSDへの換装手順を写真で概説。HDD、外付けSSDとのベンチスコア比較も | Win And I net