The Kouwell Universal Serial Bus PCI to USB 2ports is a port expansion card that allows for the addition of 2 USB 2.0 ports to a computer system. Compatible with PCI slots, this card provides an external interface for connecting various USB devices, offering flexibility and convenience for expanding the connectivity options of a computer. Ideal for increasing the number of peripheral devices that can be attached to a system, this PCI to USB card is a reliable solution for improving the overall functionality of a computer setup.