Semiconductor corporations have worked to reduce the cost of the components in a flash drive by integrating various flash drive functions in a single chip, thereby reducing the part-count and overall package-cost.
Flash drive capacities on the market increase continually. As of 2008[update] few manufacturers continue to produce models of 256 MB and smaller; and many have started to phase out 512 MB capacity flash memory. High-speed has become a standard for modern flash drives and capacities of up to 128 GB have come on the market, as of 2009.[2]
Lexar is attempting to introduce a USB FlashCard [30] [31], which would be a compact USB flash drive intended to replace various kinds of flash memory cards. Pretec introduced a similar card, which also plugs into every USB port, but is just one quarter the thickness of the Lexar model [32] SanDisk has a product called SD Plus, which is a SecureDigital card with a USB connector.[33]
SanDisk has also introduced a new technology to allow controlled storage and usage of copyrighted materials on flash drives, primarily for use by students. This technology is termed FlashCP.
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One end of the device is fitted with a single male type-A USB connector. Inside the plastic casing is a small printed circuit board. 
Flash drives are impervious to scratches and dust, and mechanically very robust making them suitable for transporting data from place to place and keeping it readily at hand. Most personal computers support USB as of 2009[update 