NEMIX RAM 16GB Kit (2x8GB Upgrade) DDR3-1600 SODIMM PC3-12800 for Apple MacBook Pro Mid 2012 / iMac Late 2012 / iMac 2013, Late 2014, Mid 2015, Mac Mini Late 2012 at Amazon.com
Memory Upgrades for iMac 27-Inch (2012 - Mid 2015)
OWC's Latest Upgrade for New Apple 2013 iMac 27” Expands Memory To 32GB, Offering Significant Savings Over Stock Apple Configurations
Arbeitsspeicher im iMac installieren - Apple Support (DE)
iMac (27-inch, Late 2013) - Technical Specifications
Arbeitsspeicher: Apple iMac 2012/2013/2014 aufrüsten (Anleitung) › Datenreise
Mac RAM Upgrade, Best iMac Memory Upgrade – Best Reviews