After months of rumors and speculation, Valve has revealed theSteam Deck, a new handheld gaming PC.
Additional models will be available with support for 256GB and 512GB of storage.
Those versions will retail for $529 and $649, respectively.

Valve / Steam
All models will offer a high-speed microSD card slot for expandable storage.
The display is also rated to run at 60 frames per second for smooth gameplay.
Valve says information about expanded availability will be available sometime in the future.

Valve / Steam
Reservations will open on Friday, July 16 at 10 am PT.
The equipment, itself, will start shipping in December.