Raspberry Pi USB ports Depend on the model, Raspberry Pi has one to four USB ports. The USB is a universal external interface for all sorts of peripheral devices that are to be operated on Raspberry Pi. Typically keyboard, mouse, pen drives, wireless adapter and the like.
USB 2.0 has a transfer speed of up to 480MBit/s. That’s the equivalent of 60MB/s. Which is more of a theoretical value.
As a rule, you can barely reach more than 30MB/ s on a USB 2.0 port. And that only when transferring large files or a long-lasting data stream. But not when transferring a lot of small files, as is typical.[Read more…] about Raspberry Pi USB – Universal Serial Bus