Capacity (SD/SDHC/SDXC/SDUC) - SD Association (original) (raw)

There are four standards for capacity:

| | SD Standard | SDHC Standard | SDXC Standard | SDUC Standard | | | ----------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------- | | Capacity | up to 2GB | more than 2GB up to 32GB | more than 32GB up to 2TB | more than 2TB up to 128TB | | File System | FAT 12, 16 | FAT 32 | exFAT | exFAT | | SD Logo | | | | | | Card Specifications | SD | 32 x 24 x 2.1 mm, Approx 2g | | | | microSD | 11 x 15 x 1.0 mm, Approx 0.5g | | | | | Speed Classes | NS mode | C2, C4, C6 | | | | HS mode | C2, C4, C6, C10, V6, V10 | | | | | UHS-I mode | --- | C2, C4, C6, C10 U1, U3 V6, V10, V30 | | | | UHS-II mode | --- | C4, C6, C10 U1, U3 V6, V10, V30, V60, V90 | | | | UHS-III mode | --- | C4, C6, C10 U1, U3 V6, V10, V30, V60, V90 | | |