Surprise! The iMac Pro has Upgradable RAM and SSD - The Mac Observer
OWC2400DDR4S16G | Mac 16GB DDR4 sodimm ram | Memory DDR4 2400Mhz DDR4 | Free UK shipping | Flexx Memory
How to Upgrade/Install Memory in a 21.5-inch iMac (Mid 2017) iMac18,1 iMac18,2 - YouTube
How to upgrade RAM in the (Mid 2017) 5K iMac and save up to ~$900 [Video] - 9to5Mac
Upgrade your iMac with OWC, 2017 4K Retina Edition
64.0GB(2x32GB) OWC Memory Upgrade Kit For 21.5" iMac with Retina 4K & Non-Retina Display (2017) - ynzal.com
OWC - 64GB OWC Kit per l'espansione della memoria - 4 x 16GB PC19200 DDR4 2400MHz SO-DIMMs per iMac 27” con Display Retina 5K (Mid 2017) e PC compatibili : Amazon.it: Informatica
OWC 32,0 GB (2 x 16 GB) 2.666 MHz DDR4 PC4-21300 SO-DIMM Aggiornamento Memoria a 260 Pin, (OWC2666DDR4S32P), per iMac 27 Pollici 2019-2020 (iMac19,1 iMac20,1 iMac20,2) : Amazon.it: Informatica
64GB OWC Memory Upgrade Kit for 27-Inch Apple iMac 2017
OWC OWC2400DDR4S16G-S - Memoria RAM iMac 2400MHz
OWC 16GB (2 x 8GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with 27" iMac w/Retina 5K (Mid 2017), Mac Mini (Late 2018), and Compatible PCs | Walmart Canada
Apple iMac 21.5 2017 4k with 2TB OWC SSD Upgraded to 64GB RAM | eBay
Kit OWC 16GB DDR4 SO-DIMM iMac 21,5" Metà 2017
Da OWC i kit per espandere la RAM degli iMac 21.5" fino a 64GB - macitynet.it