The SimpleTech SD card is a highly secure super small form-factor card used in several devices including digital cameras, personal digital assistants (PDA), MP3 music players, digital voice recorders, and other electronic devices such as cell phones, and pagers. The SD card is a solid-state, nonvolatile removable and reusable mass storage which shows up as an ATA hard drive to the host. The SD card features high transfer rate for fast copy and download. It also features a Write/Protect switch on the casing to prevent accidental overwriting or erasure of the data. The SD card complies with both current and future Secure Digital Music Initiative (SDMI) portable device requirements.