This hub by Delock can be installed into an existing cut-out of the desk with a diameter of 60 mm or 80 mm to lead through the cables for the monitor, keyboard and mouse. At the same time, the hub offers three USB Type-A female ports and one SD Card Reader with two slots. The data transfer and power supply is guaranteed through one USB 3.0 Type-A male and one USB 2.0 Type-A male. The distance between the free connectors can be maximum 20 cm, because the two cables are connected with each other.