Initial bursts of speed up to 20 MB/s while the buffer is clear.

Devices with these IDs are often generic or "white-label" drives. Users have reported the following:

Identifies the hardware manufacturer (often associated with SinoWealth or generic Chinese controllers). Product ID (PID) Identifies the specific product model or controller family. Mass Storage Standard USB flash drive or card reader interface. Are you trying to recover data from this device or fix a "not recognized" error on a specific piece of hardware?