Install 3 hard drives on iMac 2011 27" FAILED ... | MacRumors Forums
iMac (27-inch, Mid 2011):HDD → SSD換装 | Mac / PC / iPhone サポート|ダブ・システム
How To Upgrade/Replace Mid-2011 iMac 21.5" Hard Drive To an SSD! - YouTube
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