DEXP controller will be of great use to you: by installing this compact device in your computer, you will gain 4 additional external USB ports. Also there is an internal USB connector. All USB ports conform to the USB 2.0 specification.
To connect the DEXP controller to the computer, a PCI interface is used. The installation of the hardware will not cause difficulties: the controller is compact, and its mounting bracket conforms to standards. The device runs on the NEC chipset, and is distinguished by flawless stability. The model is packaged in a compact box, on which a picture of the controller is printed.