The ICUSB232INT1 USB to RS232 Serial Adapter lets you add an RS232 port to any desktop system that is 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 adapters needed. This compact and simple USB adapter offers a cost-effective solution that bridges the compatibility gap between modern computers and legacy serial peripherals. Backed by a StarTech.com 2-year warranty and free lifetime technical support. The StarTech.com Advantage – Direct connection from the motherboard header allows for a clean and completely contained setup, without taking up a PCI/PCI-Express slot in your system – Standard and low profile/half-height bracket included to ensure fitment in any system – Extensive list of OS support and Microsoft WHQL certified drivers makes for maximum compatibility and simple installation