USB Reference
USB Adapters
USB adapters connect USB ports and devices to other connectors, interfaces, or USB connector types.
USB adapter comparison
Compare common adapter types by what they connect, how they work, and the main compatibility requirement.
| Adapter | Connects USB to | Typical conversion | Main compatibility check |
|---|---|---|---|
| USB to HDMI | HDMI display | Display signal or active USB graphics | Source video capability and adapter method |
| USB to DisplayPort | DisplayPort display | Display signal or active USB graphics | USB-C display support or active-adapter requirements |
| USB to Ethernet | Ethernet network | Active USB networking | USB speed, Ethernet rate, driver support |
| USB to SATA | SATA drive | Active storage bridge | Drive interface, power needs, bridge support |
| USB to Serial | Serial device | Active serial bridge | Serial electrical standard, pinout, drivers |
| USB OTG | USB peripheral | Host-role adapter | Host/OTG support and peripheral power |
| USB-A to USB-C | Another USB connector family | Connector adaptation | Direction, data rate, and charging capability |
| USB Audio | Audio equipment | Active USB audio | Operating-system support and required audio connections |
Sources: USB-IF USB Type-C Specification, USB-IF USB On-The-Go, USB-IF Device Class Specifications, and VESA DisplayPort Alt Mode.