Here we detail the different types of flash memory
CompactFlash | Secure Digital | xD-Picture Cards
Multimedia Cards | Smart Media | Memory Stick | Microdrive
There are a number of different Flash memory formats available. They are made from solid a state component which means there are no moving parts. The type of memory you will use will depend on which type of memory is supported by your desired device and the devices specification.
Most devices have at least one type supported and which type you choose then depends on the price and compatibility between devices.
Types of Media:
CompactFlash (CF) solid state disks with a 50-pin connector. (two rows of 25) The card is 1.6" long by 1.4" tall and 0.13" thick (4.06cm x 3.56cm x 33cm) in size. The flash memory which allows data to be stored even when power is removed from the card.

CompactFlash cards can be used in many devices to store photos, music and video clips. Devices include digital cameras, mp3 players, along with mobile phones and PDA's.
Secure Digital (SD) cards are a similar size to Multimedia Cards and use the technology introduced with regular SD cards but five times faster, with a maximum data transfer rate of 10MB per second.

Secure Digital cards can be used with enabled digital cameras and MP3 players alongside mobile phones and global positioning systems (GPS).
CompactFlash | Secure Digital | xD-Picture Cards
Multimedia Cards | Smart Media | Memory Stick | Microdrive
