![Review: Apple's 21.5" iMac with Retina 4K display gets solid 2017 architectural refresh | AppleInsider Review: Apple's 21.5" iMac with Retina 4K display gets solid 2017 architectural refresh | AppleInsider](https://photos5.appleinsider.com/gallery/21707-25280-FullSizeRenderjpg-2-xl.jpg)
Review: Apple's 21.5" iMac with Retina 4K display gets solid 2017 architectural refresh | AppleInsider
![Memory RAM 1x 8GB Apple - iMac 21.5'' Retina 4K Mid-2017 DDR4 2400MHz SO-DIMM | | RAM MEMORY \ MEMORY FOR APPLE \ APPLE IMAC \ iMac Mid 2017 \ iMac 21,5" ( Memory RAM 1x 8GB Apple - iMac 21.5'' Retina 4K Mid-2017 DDR4 2400MHz SO-DIMM | | RAM MEMORY \ MEMORY FOR APPLE \ APPLE IMAC \ iMac Mid 2017 \ iMac 21,5" (](https://www.esus-it.hr/data/gfx/pictures/medium/9/2/36029_1.jpg)
Memory RAM 1x 8GB Apple - iMac 21.5'' Retina 4K Mid-2017 DDR4 2400MHz SO-DIMM | | RAM MEMORY \ MEMORY FOR APPLE \ APPLE IMAC \ iMac Mid 2017 \ iMac 21,5" (
![NEMIX RAM Compatible for 32GB (2X16GB)DDR4 2400MHz PC4-19200 SODIMM Memory Upgrade with Apple iMac 2017 27-inch w/Retina 5K, 21.5-inch w/Retina 4K / Non-Retina 4K) iMac 18,1 / iMac 18,2 / iMac 18,3 - Newegg.com NEMIX RAM Compatible for 32GB (2X16GB)DDR4 2400MHz PC4-19200 SODIMM Memory Upgrade with Apple iMac 2017 27-inch w/Retina 5K, 21.5-inch w/Retina 4K / Non-Retina 4K) iMac 18,1 / iMac 18,2 / iMac 18,3 - Newegg.com](https://c1.neweggimages.com/ProductImage/A7S6D2202150W8T0F05.jpg)