EmartBuy

Secure Digital Cards are small, efficient and very reliable, and have become popular for use in digital cameras. They can also be used in PDAs, organisers, camcorders, voice recorders, mobile phones and mp3 players. Most camera's that support SD also support the similar MMC format. However SD cards are a newer and more technically advanced format of memory, containing a write-protect switch for added data security. They are generally faster with a higher capacity. If you use your card in recording motion video or high quality audio tracks the card speed is quite an important consideration.