A strong indication of NX using cartridges found.

[Xenostar]

Turkish said:

They likely just copied all videogame related terms when filing the trademark.

It also says video game memory cards. NX confirmed to use memory cards!

Probably does, the Wii U still uses memory cards over a hard disk, if this is really a console and handheld that can play the same games, more than likly memory cards over hard drives will continue.