These will use the QLC flash for long term storage. They have been working with Phison, who's controller will seamlessly move things back and forth in the background. Pricing or the ratio of SLC to QLC is not yet known, but drives are already been sampled to OEMs.
https://www-techspot-com.cdn.amppro...midrive-combines-true-slc-qlc-single-ssd.html
https://www-techspot-com.cdn.amppro...midrive-combines-true-slc-qlc-single-ssd.html