G.Skill RipJaws DDR5 SO-DIMM Series (Intel XMP) 32GB (2 x 16GB) 262-Pin DDR5 4800 CL34-34-34-76 1.10V Dual Channel Desktop Memory F5-4800S3434A16GA2-RS at Amazon.com
Komputerbay 16GB Dual Channel Kit 2X 8GB 204pin 1.35v DDR3-1600 SO-DIMM 1600/12800S (1600MHz, CL11) for MAC and PC at Amazon.com
Komputerbay 8GB (2X 4GB) DDR3 SODIMM (204 pin) Made with Hynix semiconductors 1066Mhz PC3 8500 for Apple 8 GB with SODIMM Heatsink for Extra Cooling at Amazon.com
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
Komputerbay 16GB Dual Channel Kit 2X 8GB 204pin DDR3-1066 SO-DIMM 1066 PC3-8500 (1066MHz, CL7) for Apple at Amazon.com
Kuesuny 32.0GB (2 x 16GB) 2666MHz DDR4 PC4-21300/PC4-21333 SO-DIMM 260 Pin Memory Upgrade,for 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2) at Amazon.com
Corsair Memory Kit 16GB (2x8GB) DDR4 2400MHz SODIMM Memory, (2 x 8GB) at Amazon.com