It has just been confirmed at Nintendo’s business investors meeting that the Nintendo NX will launch globally in March 2017. It has now been confirmed that this is a brand new concept.
— Nintendo of America (@NintendoAmerica) April 27, 2016
“For our dedicated video game platform business, Nintendo is currently developing a gaming platform codenamed “NX” with a brand-new concept. NX will be launched in March 2017 globally.”