> > A free-space wipe on an SSD can't guarantee that reserved or remapped blocks get erased. > > I think most controllers implement a secure erase feature tha

> > A free-space wipe on an SSD can't guarantee that reserved or remapped blocks get erased. > > I think most controllers implement a secure erase feature that guarantees the data have been erased from NAND. yes, ata secure erase, which guarantees erasure of the entire drive (excluding vendor specific areas)