TechBite: Adios USB 2.0–Hello USB 3.0


By Steve Bass

It’s not like I have anywhere important to go to, but I still hate to wait. That’s why I’m enjoying USB 3.0.

Let’s get the numbers out of the way; then I’ll talk practicalities.

USB specs are inflated… they always are. USB 2.0 is rated at 480 Mbit/s (about 57MB/s) while USB 3.0 is 4.8 Gbit/s (572 MB/s). In the real world, the only users getting these speeds are the marketing people who dreamed up the specs. On my PC, USB 2.0 moved files at 25MB/s and USB 3.0 can get up to 55MB/s.

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