If you have a need for speed, you'll be thrilled to know that USB 3.2 is on its way. It offers incredible transfer speeds up to 20GB per second, but there's a catch that could throw a wrench into the works, or at least make things more complicated. At the most recent Mobile World Congress, it was announced that the new USB 3.2 specification will encompass both USB 3.0 and USB 3.1, which creates three different tiers of speed.