Question a usb 3 plug in usb 4 or plug in usb 3?

[mostafa edalatpoor]

i have a usb 3 and a pc with both usb 4 and 3.
when can i get the best possible result ??
a usb 3 plug in usb 4 or plug in usb 3?

 

[rgd1101]

what speed are the usb 3?
why don't use just try it out?

 

[Bob.B]

i have a usb 3 and a pc with both usb 4 and 3.
when can i get the best possible result ??
a usb 3 plug in usb 4 or plug in usb 3?

If you have a usb 3 device then that is as fast as it will go.
If you plug it into a usb 4 port it will run at usb 3 speed.