For the following Walkman series,
- NW-A100 series
- NW-A50 series
- NW-A3x series (e.g. NW-A35, NW-A36, etc.)
- NW-A4x series
- NW-A20 series
- NWZ-A10 series
The maximum capacity storage as follows:
- For microSD cards, the Walkman can support up to 128GB.
- For microSDXC cards, the Walkman can support up to 2TB.
All Sony microSD cards currently available on the market are confirmed to be compatible.
Sony cannot guarantee full compatibility with cards from other brands.