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A USB flash drive is integrated with a USB (universal serial bus) connector on your PC/laptop. USB flash drives are typically removable and rewritable, much shorter than a floppy disk (1-4 inches or 25-102 mm), and weigh less than 56 g. Storage capacities typically range from 64 MB to 32 gb or more. Some allow 1 million write or erase cycles and have 10-year data retention, connected by USB 1.1 or USB 2.0 or both.
USB memory drives offer potential advantages over other portable storage devices, particularly the floppy disk. They are more compact, faster, hold much more data, are more reliable for lack of moving parts, and have a more durable design. Additionally, it has become increasingly common for computers to ship without floppy disk drives. USB ports, on the other hand, appear on almost every current mainstream PC and laptop.
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