The Steam Deck comes with a base configuration offering just 64GB of eMMC storage, with upgraded models providing up to a 1TB SSD with the OLED model. Here's our guide on how to upgrade your Steam Deck SSD, to 1TB or even 2TB, with instructions and benchmarks showing the resulting performance.
How to upgrade your Steam Deck's SSD for more storage and better performance : Read more
How to upgrade your Steam Deck's SSD for more storage and better performance : Read more