PNY Performance 64GB (2x32GB) DDR4 DRAM 2666MHz (PC4-21300) CL19 (Compatible with 2400MHz or 2133MHz) 1.2V Dual Channel Notebook/Laptop (SODIMM) Computer Memory Kit – MN64GK2D42666 at Amazon.com
Mushkin Essentials – DDR4 Desktop DRAM – 16GB (2x8GB) UDIMM Memory Kit – 2933MHz (PC4-23400) CL-21 – 288-pin 1.2V PC RAM – Dual-Channel – Low-Voltage – (MES4U293MF8GX2) at Amazon.com
Quad-channel RAM vs. dual-channel RAM: The shocking truth about their performance | PCWorld
Does 8GB and 4GB RAM=12 GB RAM support a dual channel? - Quora
How to Choose the Right RAM for Your Desktop or Laptop PC in 2021 | PCMag
G.Skill 8GB (2 x 4GB) Ripjaws V Series 288-Pin DDR4 SDRAM DDR4 2400 (PC4-19200) Intel Z170 Platform/Intel X99 Platform Desktop Memory Model F4-2400C15D-8GVR at Amazon.com