v-Color 32GB (2 x 16GB) ECC SO-DIMM DDR4 2666MHz (PC4-21300) for NAS Micro Server/Workstation/Compatible with Synology 21 Series 2Rx8 CL19 1.2V (TES416G26D819K-VKC) at Amazon.com
16GB (2x8GB) DDR3-1600MHz PC3-12800 2Rx8 SODIMM Laptop Memory by NEMIX RAM at Amazon.com
G.Skill Ripjaws SO-DIMM 8 GB DDR4 2400 MHz C 16 1.2 V Laptop Memory Module at Amazon.com
Arch Memory Replacement for Dell SNP821PJC/16G A9168727 16GB 260-Pin DDR4 2400MHz So-dimm RAM at Amazon.com
G.Skill RipJaws SO-DIMM Series 32GB (2 x 16GB) 260-Pin (PC4-19200) DDR4 2400 CL16-16-16-39 1.20V SO-DIMM Memory Model F4-2400C16D-32GRS at Amazon .com
OWC 8GB (2 x 4GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with Mac Mini (Late 2018), 27" and 21.5" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S08P)
Silicon Power DDR4 32GB (16GBx2) 3200MHz (PC4-25600) CL22 SODIMM 260-Pin 1.2 V Gaming Laptop RAM Notebook Computer Memory at Amazon.com
Amazon.com: OWC 32GB PC19200 DDR4 2400MHz SO-DIMM Memory Compatible with 21.5" and 27" iMac Retina Models (Mid 2017), Mac Mini (Late 2018), and Compatible PCs (OWC2400DDR4S32G) : Everything Else
HP S1 Single RAM 16GB DDR4 2666MHz CL19 Laptop Memory - 7EH99AA#ABC at Amazon.com
Amazon.com: Memory Cards Converter Adaptor,Professional Laptop DDR4 SODIMM to Desktop DIMM Memory RAM Connector Adapter Card from 260 to 288. : Electronics
Crucial 8GB Single DDR4 2400 MT/S (PC4-19200) SR x8 SODIMM 260-Pin Memory - CT8G4SFS824A