Amazon.com: OWC 32GB (2 x 16GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with Mac Mini (Late 2018), 27" and 21.5" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S32P) : Everything Else
Timetec 32GB Kit (2 x 16GB) DDR4-2400 SODIMM - Timetecinc.com - Memory of Lifetime and Easy Upgrades