The Docking Station is equipped with 3x USB-A ports. 

The front USB-A 3.1 port will support charging (@ 7.5W) and will support webcams, external hard drives, flash drives, microphones, a keyboard, and/or mouse. 

The USB-A 3.0 ports (located on the rear of the docking station) are data ports and will support flash drives, external hard drives, (5gbps transfer speeds), and low-powered peripherals like a keyboard or mouse.