Amazon.com: Crucial 16GB Kit (8GBx2) DDR4 2400 MT/s (PC4-19200) SR x8 SODIMM 260-Pin for Mac - CT2K8G4S24AM : Everything Else
16GB SNPYXC0VC/16G A9321912 288-Pin DDR4-2400 PC4-19200 UDIMM RAM Replacement Origin OEM Memory for Dell at Amazon.com
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