The physical characteristics of these cards are their weight, 0.07 ounces, their size; one sixth of a credit card (32 mm x 24 mm x 2.1 mm) particularly lends them to communicating mobile markets: personal assistants/PDA, MP3 drivers, Mobile phones, also to digital equipment such as cameras and videos.Their rate of data-transfer varies between 2 and 4 MB per second. Compared to the Multi Media Card composed of 7 connection pins, the Secure Digital card is composed of 9 connection pins. This new organization allows faster transfer of data while the memory card is on SD mode. On the other hand, the Secure Digital has an integrated security mechanism, the CPRM Content Protection for Recorder Media which insures a high degree of protection and file-encryption. It controls the reading, copying,... Less

The official Memory Card for the PlayStation 2 system stores up to 8MB of data and features MagicGate encryption. The PlayStation 2 delivers more data-intensive games, so this extra capacity is invaluable. This Memory Card moves data significantly faster than the original memory card, but can only be used with PlayStation 2 format software.