Samsung Electronics has developed an 8GB microSD (Secure Digital) memory card capable of storing 2,000 MP3 music files, 4,000 digital photos, or approximately 5 DVD-quality movies in a card the size of a fingernail.
SD cards, to date, have been largely used for data storage in digital still cameras and increasingly in televisions. MicroSD cards, which are a quarter the size of an SD card, are backward compatible with SD cards using an extender, to allow multimedia files downloaded by mobile phones to be easily displayed on other media.
With a read speed of 16MB/s and a write speed of 6MB/s, Samsung’s microSD card exceeds the Speed Class 4 SDHC (Secure Digital High Capacity) standard which requires a data write speed of 4MB/s. This is also much faster than the SD Speed Class 2 designation carried by most competing microSD cards currently on the market.
The market research firm Dataquest predicts that the memory card market as a whole will average 10 per cent annual growth between 2006 and 2010, while demand for high density 8GB cards will grow an average of 2.6 times per year over the same period. By 2010, the 8GB memory card will be the market mainstream in terms of units sold.