Available with 280 GB or 480 GB of storage space, the new Intel Optane SSD 900P is up to 4 times faster than the mainstream SSDs currently on the market, also providing an impressive level of endurance.
https://www.notebookcheck.net/Intel-intros-the-first-Optane-SSD-for-desktops.261028.0.html
The price doesn't seem to be too excessive. Just a few years back that was the price for high-end NAND drives.