Lenovo will be offering its IdeaPad S540 laptop with a new discrete graphics card option in the form of Nvidia's recently released mobile GeForce GTX 1650. It was previously expected that the S540-15IWL model would come with discrete GPU choices of either a GeForce GTX 1050 or MX250 graphics solution.
https://www.notebookcheck.net/Lenovo-brings-the-new-supercharger-GeForce-GTX-1650-to-its-IdeaPad-S540-laptop.419775.0.html