Mailing the story:
SATA v3.2 adds tiny, but very speedy, SSDs
The Serial ATA International Organization (SATA-IO) has ratified the SATA 3.2 storage spec, adding support for a SATA Express spec that can piggyback on faster PCI Express lanes, and defined a new embedded single-chip microSSD. SATA 3.2 also embraces the tiny, SATA Express based M.2 form factor, which debuted in recent Intel and Samsung SSDs. [...]