iMac 27 2013 Fusion Hard Drive Replacement with SSD : r/mac
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
Install 3 hard drives on iMac 2011 27" FAILED ... | MacRumors Forums
SSD Kit for all Apple 27” iMac 2011 Models + tools - 20.33EUR - OWCshop
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac