How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
Finally got a ssd installed in the 2008 iMac, now just installing OSX. : 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
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
iMac (circa 2009) Hard Drive to SSD Upgrade - YouTube