IgorsLAB checked out the ADATA XPG Spectrix D50 Xtreme DDR4-4800 CL19 kit
A quote from the article:
With the Xtreme SKUs, ADATA XPG expands the existing Spectrix D50 RAM portfolio with two products in the high-end segment with actually extreme XMP clock rates of 4800 and 5000 MT/s. And to spoil a little in advance, for once not Samsung B-Die, but SK Hynix DJR serves as the basis for this flagship RAM.ADATA XPG Spectrix D50 Xtreme DDR4-4800 CL19 kit Review