Flash drive



A flash drive is a portable computer drive that uses flash memory. Flash drives are the larger memory modules consisting of a number of flash chips. A flash chip is used to read the contents of a single cell, but it can write entire block of cells. They connect to a USB port and function as a folder.

Specific flash drive types
Memory cards: Other:
 * Flash memory-based CompactFlash (CF) card (including CFast card) and XQD card (Note: some other types of CF and XQD card are not flash memory-based)
 * Memory Stick (MS)
 * MultiMediaCard (MMC)
 * Secure Digital card (SD, SDHC, SDXC)
 * SmartMedia card (SM)
 * xD-Picture Card (xD)
 * Solid-state drive, SSD, using flash memory (a few SSDs use DRAM or MRAM)
 * USB flash drive (UFD)