10Gbps USB 3.1 Gen2 USB C to USB 3.1 Adapter: Compared those which one side supports USB 2.0 and the other side supports USB 3.0, this USB 3.1 USB-A to USB-C adapter is with powerful IC chip built-in, supporting USB 3.1 10Gbps super speed data transfer when either side plugged in. Note: need both devices and cable support up 10Gbps data transferring. USB A to Type C Female Adapter: Data transfer speed is up to 10Gbps both side, the data transfer speed is dozens of times faster than other USB 2.0 adapters, Sync movies, music, and more in seconds. Plug the USB A to Type C Adapter into a USB A port, allowing you to connect your standard Type C device, saving trouble of carrying extra cable around. It supports up to 3 Amps of power output for charging your devices.