To connect Dell USB to C to USB A 3.0 adapter to your computer to the USB to C port, it comes with standard, newly released USB to A 3.0 devices and accessories. DELL Adapter:USB to C to USB A 3.0 connection, traditional computer and USB to C port include new accessories, devices, and USB 3.0 ports. Easy to use USB - C adapter-plug to end adapter to your computers USB - C port, USB - A 3.0 port, or accessory to connect to your devices USB - A 3.0 port.