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 is as follows:
- For microSD cards, the Walkman can support up to 128GB.
- For microSDXC cards, the Walkman can support up to 2TB.
All Sony micro-SD cards currently available on the market are confirmed to be compatible.
Sony cannot guarantee full compatibility with cards from other brands.