Confused whether you should be buying USB 2.0 or USB 3.0 device or connector? This post will clear it all up. Miscommunication about the terms When the use of USB (Universal Serial Bus) was introduced with Mac computers, I was already used to the term that it was referring to a port. When other brands of computers followed and the flash drive was invented, I often heard from non-mac users the question: do you have a USB? Confused about how I would answer, I wondered why these people are so interested with the USB port on my mac. Finally, it dawned on me they they were referring to USB flash drive. And I would often correct them: flash drive? There is this USB 2.0, USB 3.0, USB-A, USB-B, and USB-C. What are they? What are their differences? Does USB refer to the port or to the drive? Great question! A "USB drive" typically refers to the data storage device itself, like the flash drive or thumb drive that people use to store and transfer files. It’s a small, portable device t...