These cards are identical to multimedia cards, SD cards
Unlike CF cards,secure digital cards are much smaller.Designed and developed by toshiba and matsushita,these are meant primarily for mobile phones and other compact devices where space is an issue.Though these cards are identical to multimedia cards,SD cards are popular because it offers an additional feature in the form of a built-in-encryption to safeguard data - hence the name ’secure digital card’ coupled with the security is its compact size - good enough reason for its soaring popularity.
Filed under: Accessories, Blank Media, Consumer Electronics, General, Multimedia