USB Connector
USB Powered-B
USB Powered-B is an 11-contact USB 3.x B-series connector variant that adds two contacts so a peripheral can provide power to a compatible adapter.
Related: USB-B · SuperSpeed Standard-B · SuperSpeed Standard-A
Characteristics
| Specification name | USB 3.x Powered-B plug and receptacle |
|---|---|
| Connector family | USB-B |
| Reversible | No |
| Contact count | 11 |
| Added contacts | Two additional contacts provide adapter power and ground beyond the nine contacts of SuperSpeed Standard-B |
| USB 3.x support | Yes |
| USB4 support | No |
| Typical role | Peripheral-side connection designed to support compatible powered adapters |
| Typical use | Specialized USB 3.x equipment and adapter scenarios rather than mainstream consumer peripherals |
| Current status | Rare legacy connector variant |