Arbeitsspeicher im iMac installieren - Apple Support (DE)
HOW I UPGRADED MY iMAC 21.5in Late 2013 MODEL (SSD & RAM UPGRADE) - YouTube
Arbeitsspeicher im iMac installieren - Apple Support (DE)
16GB -2x8GB Memory Ram Upgrade for 27" Apple iMac-14.2 Core i5 3.4GHz Late 2013 – St. John's Institute (Hua Ming)
NEMIX RAM 16GB Kit (2x8GB Upgrade) DDR SODIMM PC for Apple MacBook Pro Mid 2012 / iMac Late 2012 / iMac 2013, Late 2014, Mid 2015, Mac Mini Late 2012 16GB (2X8GB) - Walmart.com
How to Upgrade iMac RAM: 2012-2022: EveryMac.com
Late 2013 iMac review: Faster than before, but the gains over previous models are modest | Macworld