Corsair Vengeance LPX 8GB (1 x 8GB) DDR4 DRAM 2400MHz C16 (PC4-19200) Memory Kit - , Vengeance LPX Black at Amazon.com
Amazon.com: Corsair Vengeance LPX 16GB (1 X 16GB) DDR4 3000 (PC4-24000) C16 Desktop memory - black PC memory CMK16GX4M1D3000C16 : Electronics
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