About a month ago, I saw the 1660 Ti Aero ITX 6G OC listed on MSI's website. Since then, however, the card has been taken off the site, though its details page can still be accessed through Google:
https://www.msi.com/Graphics-card/GeForce-GTX-1660-Ti-AERO-ITX-6G-OC
I only remember this card...