StarTech-com-ICUSB232INT1-Internal-1-Port-USB-To-Serial-Converter-Adapter-StarTech-com-ICUSB232INT1-P-The-ICUSB232INT1-USB-to-RS232-Serial-Adaptor-from-StarTech-com-allows-you-to-add-an-RS232-port-to-any-desktop-system-equipped-with-an-available-USB-motherboard-header-Unlike-standard-USB-to-serial-cables-this-cable-is-designed-for-use-inside-the-PC-case-affording-an-entirely-internal-solution-with-no-mess-or-extra-adaptors-needed-P-P-This-compact-and-simple-USB-adaptor-offers-a-cost-ef