Usb Flash Drive Transfer Speed. Also the capabilities of usb flash drives depend on their type usb 30 or usb 31. You can try them one by one until you fix the usb 30 transfer speed slow issue successfully.

The speed at which you can transfer data to and from a usb flash drive will vary a lot. 0 to 60 cstorage temperature. For this speed mode it requires the use of certified usb c cables.
The speed process does move around during the copy.
The limitation is that the dual channel mode needs to use usb type c interface. Also the capabilities of usb flash drives depend on their type usb 30 or usb 31. For reference the transfer rate of usb 20 is 480mbps megabits per second whereas a usb 30 can send or receive data as fast as up to 5gbps gigabits per second. Go to the policies tab and select better performance click ok to make sure that you want to optimize and improve your usb transfer speed.