8GB MUQN2G/A 260-Pin DDR4-2666 PC4-21300 Sodimm RAM | OEM Memory for Apple
Crucial 32GB DDR4-2666 SODIMM Memory for Mac | CT32G4S266M | Crucial.com
OWC 32GB (2 x 16GB) PC21300 DDR4 2666MHz SO-DIMMs Memory, Compatible with Mac Mini 2018, iMac 2019 and up, and Compatible PCs, (OWC2666DDR4S32P) at Amazon.com