You’ll find that SDHC microSD cards range from 2GB to 32GB in size, while SDXC microSD cards can range from 32GB up to 2TB in size, though the biggest microSD card we’ve seen so far is 1TB.

SDHC: Secure Digital High Capacity (SDHC) ... For example, an SD card could be rated C10, U3, and V30, making it compatible with older Speed Class devices at up to 10MB/s, ...

Kingston microSD and microSDHC are miniature versions of standard SD cards. This tiny memory cards are designed for portable devices, such as phones and ultra-portable MP3 players. Although the ...