Apple 10SOHYN1GB 1.0GB -Hynix Factory Original... at MacSales.com
Timetec Hynix IC 8GB Compatible for Apple 2019 iMac 27-inch w/Retina 5K Display, Late 2018 Mac Mini DDR4 2666MHz PC4-21300 1Rx8 CL19 1.2V SODIMM Memory RAM Upgrade (8GB) | 78AP26NUS1R8-8G Buy, Best