A CDE Definition
The smallest SD flash memory card. Introduced in 2005 and widely used in smartphones, tablets and other handheld devices, microSD is electrically and software compatible with the full-size SD card. All the SD micro versions, including the microSD, microSDHC (High Capacity) and microSDXC (Extended Capacity) have been widely used.
By 2015, tiny microSDXC cards reached 512GB, greatly surpassing the storage capacities of the mini formats. In the past, SanDisk referred to microSD as TransFlash (T-Flash). See SD Card and gruvi card.
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Adapters Make microSD Universal
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