SSD Upgrade Kits for 27-Inch iMac (2012 - Early 2013)
HD Upgrade Kit for all iMac 2011 Models + Tools - 39.98EUR - OWCshop
iMac 27 2012-2015 Hard Drive Replacement with SSD
SSD Upgrades for Apple iMac 27-Inch Late 2013 - Current
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
OWC SSD Upgrade Kits for 27-Inch iMac 2009
hard drive - iMac 27" late 2012 SSD upgrade - Ask Different
Amazon.com: Odyson - 1TB SSD Upgrade Kit Replacement for iMac 27" A1419 ( Late 2015) : Electronics
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac