This PCI based Powered USB (Universal Serial Bus) Adapter Card adds three Powered USB (Universal Serial Bus) (USB Plus Power) ports to any computer, through an available PCI Slot. Drawing power from either the PCI slot or the computer power supply, the Powered USB (Universal Serial Bus) adapter card provides up to 3A of current to each connected device, allowing for up to three Powered USB (Universal Serial Bus) devices to be installed at a time. Plus, this PCI Powered USB (Universal Serial Bus) Adapter Card can be connected to Star Tech.coms 2 Port 12V/24V Powered USB (Universal Serial Bus) Adapter Card (PUSBADAP), to create two additional Powered USB (Universal Serial Bus) ports, without using an extra PCI slot.