Flash Memory Card

SD card is the abbreviation of Secure Digital Card, literally translated into Chinese is "secure digital card".

What is an SD Card?

SD card is a flash memory card, usually used in digital cameras, mobile phones or PDAs. Because it is flash memory, it can be used to store files, similar to a U disk. But you need a card reader to read or write to the SD card on a regular desktop computer. SD memory card is a completely open standard (system), mostly used in MP3, digital video cameras, digital cameras, electronic books, AV equipment, etc., especially widely used in ultra-thin digital cameras.

SD Card Function?

The biggest feature of SD card is that it can ensure the security and confidentiality of data through the encryption function. It also has copyright protection technology, which is CPRM technology (Content Protection for Recordable Media) used in DVD. SD card has the characteristics of small size, large capacity, shock and moisture resistance, high temperature resistance, stable performance, permanent and effective data storage, no noise, and no seek errors. It is a popular mainstream product memory card. The SD card is connected to the standard ATA IDE interface. As a standard IDE storage device, it can also store software installation programs.

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