The Secure Digital (SD) Memory Card includes a high-performance, nine-pin SD interface that enables data transfer rates of up to 10 megabytes per second. Its proprietary interface commands facilitate the secure exchange of content between host devices, like PCs and music servers, and the card itself. The security level provided in the SD Memory Card has been designed to comply with current and projected SDMI (Secure Digital Music Initiative) portable device requirements. The SD Card is a highly secure stamp-sized flash memory card. Jointly developed by Matsushita Electronic (best known for its Panasonic brand name products), SanDisk and Toshiba, the SD Card weighs approximately two grams. The SD Card can be used in a variety of digital products; Digital music players, cellular phones, handheld PCs (HPCs), digital cameras, digital video camcorders, smart phones, car navigation systems and electronic books. This model has enough storage to hold more than four hours of compressed music, or hundreds of digital pictures. Secure Cryptographic security for copyrighted data based on proven security concepts DVD audio. Security level complies with both current and future Secure Digital Music Initiative (SDMI) portable device requirements. The cards also have a user- able mechanical write protect switch on the exterior card casing. Fast High transfer rate for fast copy/download operations. Efficient High storage capacity, with non-volatile solid-state memory that has no moving parts to conserve battery power and maximize battery life in small portable devices. The card has an operating shock rating of 2,000Gs, equivalent to a 10-foot drop to the floor. Compatible New devices with SD Card slots will accept existing MultiMediaCards