Xbox
Released in 2001, the Xbox control pad was the first controller made for the original Xbox. The Xbox controller features two analog sticks, a pressure-sensitive directional pad, two analog triggers, a Back button, a Start button, two accessory slots and six 8-bit analog action buttons (A/Green, B/Red, X/Blue, Y/Yellow, and Black and White buttons). The standard Xbox controller (originally nicknamed the "Fatty" and later the "Duke") was originally the controller bundled with Xbox systems for all territories except Japan.
Xbox One
On June 13, 2016, during its E3 2016 press conference, Microsoft unveiled Xbox One S, a revision of the original Xbox One hardware with a streamlined form factor. Microsoft also teased a high-end version of Xbox One with upgraded hardware codenamed "Project Scorpio", which was unveiled and released the following year as Xbox One X.