Smallest option
128 GB
Lexar High-Performance 633x BLUE Series
microSDXC
UHS-I
V30 · A1
Gaming Handheld
Valve Steam Deck LCD
Here's what to look for when choosing an SD card for your device.
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WHAT YOU NEED
Compatible SD card specifications
Card type
microSD, microSDHC, microSDXC
Interface
UHS-I
Capacity
Not specified by manufacturer
COMPATIBLE CARDS
Cards that fit
A few sensible choices depending on how much storage you want.
Recommended
512 GB
Lexar Professional 1066x SILVER Series
microSDXC
UHS-I
U3 · V30 · A2
More storage
1 TB
Lexar PLAY
microSDXC
UHS-I
V30 · A2
Other compatible cards
256 GB
Lexar Professional 1066x SILVER Series
microSDXC
UHS-I
U3 · V30 · A2
Compatibility does not necessarily mean every card is the best value or supports every specialized recording mode.
Technical compatibility
Slot 1
- Accepted formats
- microSD, microSDHC, microSDXC
- Interface
- UHS-I
- Maximum capacity
- Not specified by manufacturer
VERIFIED SOURCES
Manufacturer documentation
- Steam Deck Tech Specs Valve