The Academy Duel Disk can hold 70 cards in total. While most players stick to the minimum, there are those who use bigger Decks and cannot use the Duel Disk.
- From Kuriboh to the Blue-Eyes White Dragon, the series introduced to the world to some wild monsters, and it did so with the help of tech we've yet to master. In fact, the Duel Disk remains one of the coolest pieces of tech in anime, and fans can bring it with them wherever if they have money to shell on a Duel Disk watch.
- The Duel Disks that are featured in Yu-Gi-Oh! VRAINS are a brand new model invented by SOL Technologies, and appear to function similar to the ones featured in Yu-Gi-Oh! ARC-V, but presumably due to being solely used in LINK VRAINS, they lack a physical blade.  Models that require physical cards still exist but are considered outdated.
- Other versions of the Duel Disk appear in GX, and by the time the series takes place, it seems as if many Duelists have taken to individually customizing their disks. It's never specified if the disks below are manufactured by Kaiba Corporation or customized by the owners. Duel Coat - A different version of the Duel Disk.
- In fact, the Duel Disk remains one of the coolest pieces of tech in anime, and fans can bring it with them wherever if they have money to shell on a Duel Disk watch. Recently, Yu-Gi-Oh went viral after netizens like TAHK0 reminded the world that Duel Disk wristwatches exist.