| Micro SD is basically a format that is used for | | | | have a similar form factor, the difference essentially |
| removable flash memory cards. These cards are used | | | | lies in the compatibility offered by other devices to the |
| in various devices like digital cameras, media players, | | | | high capacity cards. Not all devices are presently |
| cell phones, audio players, USB flash memory drives. | | | | ready to operate with an SDHC card. |
| MicroSD cards are so called because of their physical | | | | The 16 GB MicroSD of the class 4 types have |
| dimensions which is 15 mm × 11 mm × 1 mm; | | | | excellent data transfer capability. Soon, a higher |
| making them the smallest memory cards that are | | | | version, namely the 32 GB MicroSD card is expected |
| available commercially. This dimension corresponds to | | | | to be launched. The MicroSD cards are now the most |
| about a quarter size of a standard SD card. MicroSD | | | | popular successors of the MiniSD cards. These cards |
| cards have a capacity ranging from 64MB to 16GB. | | | | are now being rapidly adopted by mobile handset |
| Also, it is known that a 12GB version of the microSD | | | | manufacturers as they are easily supported by the |
| card was created by SanDisk but never released. | | | | standard SD interface and are highly compact in size. |
| Certain specific adapters are available that permit the | | | | The microSD cards are again backward compatible |
| MicroSD cards to be used in devices that are confined | | | | with devices. Especially with devices that are only |
| to SD, Memory stick, USB and miniSD cards. The | | | | compatible with the standard SD format. However, the |
| 16GB MicroSD cards are different from SDHC (secure | | | | use of a suitable adapter can resolve this problem and |
| Digital High Capacity) cards. Even thought both of them | | | | allow any MicroSD card to be used in the device. |