How to upgrade RAM on the 2018 Mac mini (with video) - 9to5Mac
16GB Memory for Apple Mac mini (Late 2018) DDR4 2666 MHz PC4-21300 SODIMM RAM | eBay
Timetec 64GB KIT(2x32GB) Compatible for Apple DDR4 2666MHz for Mid 2020 iMac (20,1 / 20,2) / Mid 2019 iMac (19,1) 27-inch w/Retina 5K Display, Late 2018 Mac Mini (8,1) PC4-21333 / PC4-21300 MAC RAM - Newegg.com
PARIS, FRANCE - NOV 7, 2018: View from above of the new Apple Mac Mini computer with the new processor cpu, 64 DDR4 RAM and 10 Gigabit Ethernet port on wooden table Stock Photo | Adobe Stock
A-Tech 16GB Kit (2x8GB) RAM for Apple iMac & Mac Mini (2018, 2019 & 2020) | DDR4 2666 MHz SODIMM PC4-21300 / PC4-21333 260-Pin SO-DIMM Memory Upgrade at Amazon.com
Frequently asked questions about the 2018 Mac mini RAM, storage, and more [u] | AppleInsider
Mac mini 2018 review: Apple's most versatile new Mac [Video] - 9to5Mac
Original Apple Mac Mini 2018 RAM 8GB Kit (2x4) DDR4-2666 SODIMM SO-DIMM | eBay
OWC 64GB (2 x 32GB) PC21300 DDR4 2666MHz SO-DIMMs Memory Compatible with Mac Mini 2018, iMac 2019 and up, Dell, HP, Lenovo, ASUS and Compatible PCs (OWC2666DDR4S64P) at Amazon.com