About

An SD Card (Secure Digital Card) is an ultra small flash memory card designed to provide high-capacity memory in a small size.

SD cards are used in many small portable devices such as digital video camcorders, digital cameras, handheld computers, audio players and mobile phones. In use since 1999. An SD card typically measures 32 x 24 x 2.1 mm and weighs approximately 2 grams.

history | excerpt history