Valve is making microSD cards the next game cartridges

With just a microSD card, you’ll be able to easily bring your games across the Steam Deck, Steam Machine, and Steam Frame.

Valve recommends sharing your game library on microSD card between Steam Deck, Steam Frame, and Steam Machine: 'They're fully interoperable, just bring it along wi…

Valve is building out its own ecosystem of products with the announcement of the Steam Machine and the Steam Frame, joining ...
Houston Chronicle

How to Use a SanDisk MicroSD Memory Card on a PC

You might be familiar with SanDisk MicroSD cards from using one in your mobile phone, old mp3 player, or portable GPS system. Because microSD cards are so small, about one fourth the size of a regular ...