The SP-404MK2 supports SD cards of the following capacities, depending on the system program version.
| System Program Version | Supported SD Card Capacity |
|---|---|
| Ver.2.01 or earlier | 4 GB to 32 GB (SDHC) |
| Ver.3.00 or later | 4 GB to 1 TB (SDHC, SDXC) |
Note: The SP-404MK2 does not support SD cards of 2 GB or less (SD standard). Using such a card may cause the unit to malfunction.
When updating the system program, use an SD card with a capacity of 4 GB to 32 GB regardless of the current version. See also: "System Program Version Update".