G.Skill Ripjaws V Series 32GB (2x16GB) DDR4 4000MHz CL18 1.40v RAM $226.20 + Delivery ($0 with Prime) Amazon US via AU in 2021 | Ddr4, Series, 32gb
v-Color Prism II RGB 16GB (2 x 8GB) DDR4 4000MHz (PC4-32000) Desktop Memory Module Ram (TL8G40819D-E0P2NBPK) at Amazon.com
G.Skill reveals Trident Z Neo DDR4 kits — up to 4000 MHz and 64 GB — for AMD Ryzen 5000 desktop CPUs - NotebookCheck.net News
G.Skill Trident Z NEO Series 32GB (2 x 16GB) 288-Pin SDRAM DDR4 4000 (PC4-32000) CL18-22-22-42 1.40V Dual Channel Desktop Memory Model F4-4000C18D-32GTZN at Amazon.com