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
iMac Intel 21.5" and 27" (Mid 2011) SSD Upgrade Bundle - iFixit Store
How to Upgrade iMac Hard Drive (2009, 2010, 2011): EveryMac.com
Install SSD iMac 2011 - How-To DIY Guide Tutorial
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
OWC SSD Upgrade Kits for 27-Inch iMac 2011
How To Upgrade/Replace Mid-2011 iMac 21.5" Hard Drive To an SSD! - YouTube