What is the maximum data transfer speed on the USB ports?

The maximum data transfer speed is 5Gbps as the USB A ports. 

Why does the hub feel warm? 

The hub's temperature may increase when charging or transferring data at high speed. Don't worry; this is within the normal limits of the dock's operation. To avoid excessive heat, make sure not to place any objects on top of the hub or to cover the hub with anything.

Is the USB-C PD port support display or phone charging?

No. It only supports laptop charging only when connecting an extra charger via this PD port. And the maximum input watts is 100W. Even though you connect a 140W charger, the hub only supports 100W input. Due to the hub will consume 15W, the real charging watts for the laptop is 85W.

Do I need to install any drivers to use this hub?

No, this hub is plug-and-play; no software/driver is required.

What are the dimensions of this item?

‎3.54 x 2.05 x 0.59 inches

If you have further questions, please contact us for assistance.