Original pétrole film imac retina 4k 21.5 inch 2017 ram upgrade Nimporte qui Écureuil Durcir
Apple A Grade Desktop Computer iMac 21.5-inch (Retina 4K) 3.4GHZ Quad Core i5 (Mid 2017) MNE02LL/A 8 GB 1 TB HDD 4096 x 2304 Display Mac OS Includes Keyboard and Mouse - Walmart.com
2017 21.5-inch 4K iMac memory upgrade kit includes 32GB of RAM, tools to take it apart | AppleInsider
OWC Tears Down iMac Retina 4K, Confirms Memory Is Soldered
Install memory in an iMac - Apple Support
64GB RAM upgrade kit for 21.5-inch iMAC now offered by OWC - 9to5Mac