The SNES version of the USB cartridge slot can authenticate your carts and back up your games and save data.

Just hook it up to a USB-C hub, connect a Bluetooth controller, and set up some emulators. Add a launcher like Daijisho or ...

Editor's Note: APYs listed in this article are up-to-date as of the time of publication. They may fluctuate (up or down) as the Fed rate changes. CNBC Select will update as changes are made public.