Intel detailed some of the technical specifications and performance numbers of its latest Optane H10 storage that combines 3D Xpoint and QLC NAND flash onto a single M.2 drive. The Optane H10 requires the latest Intel 8th gen U-series processor and Rapid Storage Technology drivers. It is slated to be available with major notebook OEMs starting Q2 2019.
https://www.notebookcheck.net/Intel-Optane-H10-offers-the-best-of-3D-Xpoint-and-QLC-NAND-on-one-M-2-package.415925.0.html