: Maxes out at 480 Mbps. Best for simple peripherals like mice, keyboards, or printers.
The version number dictates how fast data moves and how much power the port can provide.
: Reaches 40–80 Gbps. Required for 4K/8K monitor output and the fastest data transfers. 3. Powered vs. Unpowered Hubs USB Types and Connectors Guide | Newnex
: Speeds up to 10–20 Gbps. Necessary for high-performance external SSDs.
The "shape" of the port determines whether it will physically fit your computer or device.