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
Apple 27" iMac with SSD (Mid-2011) : Speed Tests & Benchmarks - YouTube
iMac Hard Drive Upgrade to SSD - Your local Apple Repair Specialists