Capacity (SD/SDHC/SDXC)

There are three standards for capacity:
SD standard - Up to 2GB SD memory card using FAT 12 and 16 file systems
SDHC standard - over 2GB-32GB SDHC memory card using FAT32 file system
SDXC standard - over 32GB-2TB SDXC memory card using exFAT file system
  SD Standard SDHC Standard SDXC Standard
Capacity up to 2GB more than 2GB
up to 32GB		 more than 32GB
up to 2TB
File System FAT 12, 16 FAT 32 exFAT
SD Logo SD SDHC SDXC
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