Dual rank/Quad rank dimm's will also provide the same gains vs single rank dimm's. The hard part is not every MFG posts the layout of the dimm to see what you are buying. Most are obvious as the size plays a role. My 2 slot setup equates to the 4 slot performance according to aida64 mem benchmarks
This might be easier to interpret,
In this article we'll be searching for Zen 3's memory sweet spot and looking at DDR4 memory performance with the new Ryzen 5000 CPU series, and a...www.techspot.com
I can also confirm going past quad rank has hard diminishing returns and generally sacrifices a fair amount of stability. Unless you need the capacaity it is not advised to try. Shadowarez has 128gb i think at cl14 which is quite nuts, you could ask for him to provide a bench and see the gains.
Thanks guys Im on Intel platform 9900k with a Maximus XI Extreme Z390 Chipset, entirely different than AMD.....
I already have the Gskill Trident Royals 4*8G 4000 Mhz Cl 17 sitting at home waiting for me to try out