Is 3.1 or 3.2 USB better?

USB 3.0 is 5Gb/s, USB 3.1 is 10Gb/s, and USB 3.2 is the fastest at 20Gb/s. You may have seen them branded as SuperSpeed USB 5Gbps/10Gbps/20Gbps. The only thing you need to pay attention to is the transfer speeds.