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USB flash drives.

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The Universal serial bus.

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USB port or interface released in 1995, has become the standard for all devices, replacing older devices

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that would have been connected to specific parallel ports on a computer.

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It's quite common to see almost any device or peripherals connected to a computer via a USB connection,

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including mice, keyboards, flash drives, printers, scanners, cameras, mobile devices and just

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about every other device.

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The evolution of the USB port is shown.

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The evolution of the USB port is shown here.

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USB flash drives come in all shapes and sizes today from the standard rectangular to any shape imaginable.

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USB flash drives use named Eprom chips to store their data and today are available in various versions

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that define the read write speeds of the flash drive.

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The following photo shows various flash drives ranging from the oldest to the newest.

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Left to right.

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The first drive is a USB 2.1 drive.

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The middle is a 32GB USB 3.0 drive and the last right side is a significantly smaller 64GB.

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USB 3.2 drive here.