This is a 512GB microSDXC card made by Gigastone. It was sold as a model compatible with the Nintendo Switch, and is suitable for saving game data, photos, and videos. Operation has been confirmed, and it can be used without any problems. It can be used on Switch 1. It has been initialized (formatted). It comes with an SD card adapter, so it can also be used on a PC, etc. [Capacity] 512GB [Standard] microSDXC / A1 [Included Items] SD card adapter, case [Condition] Used (no noticeable scratches or stains)