Micro SD card is a very small flash card, and its format originated from the creation of SanDisk. Originally, this memory card was called T-Flash, and later it was renamed Trans Flash. It was renamed micro SD because it was adopted by SD Association (SDA). Other memory cards used in SDA include Mini SD and SD card.
It is mainly used in mobile phones, but because of its small size and increasing storage capacity, it is used in GPS devices, portable music players and some flash drives. Its volume is15mm x11mm x1mm, which is almost the size of a fingernail. It is the smallest memory card at present. You can also connect to the SD card slot through the SD adapter card. ?
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Micro SD card is mainly used for mobile phones, and it is a necessary memory card for functional machines, with 2GB as standard capacity. 20 1 1 year, Micro SD card 1GB was still the mainstream, and by 20 12 years, it was basically replaced by 2GB. The mainstream original factory also stopped production of 8Gb crystal rings, and only PowerCrystal was still in supply.
For manufacturers who need to bundle small-capacity Micro SD cards, they need to find a balance point in price, capacity and supply. In the case that the prices of Micro SD cards are not much different, manufacturers tend to bundle large-capacity memory cards of more than 2GB to improve customers' operating space and stimulate consumers to buy; For end consumers, if the price is similar, it will be easier to accept high-capacity products.
Baidu encyclopedia -Micro SD card