USB Connector
USB-B
USB-B is a non-reversible USB connector family commonly used on printers, scanners, audio equipment, and other peripherals.
Related: SuperSpeed Standard-B · Powered-B · USB-A
Characteristics
| Official connector name | USB Standard-B |
|---|---|
| Reversible | No |
| Contact count | 4 in USB 2.0 Standard-B; 9 in SuperSpeed Standard-B; 11 in Powered-B |
| USB 2.0 support | Yes |
| USB 3.x support | Yes, through the SuperSpeed Standard-B and Powered-B forms |
| USB4 support | No; USB4 uses USB Type-C |
| Typical connector role | Peripheral or upstream-facing connection |
| Typical devices | Printers, scanners, audio interfaces, instruments, and other peripherals |
| Speed identification | The connector form helps distinguish original and SuperSpeed B-series connectors, but actual data rate still depends on the implementation |
| Power capability | Depends on the USB specification and device implementation |
