StarTech.com 1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention - Add an RS232 serial port with COM retention to your laptop or desktop computer through USB - USB to Serial - USB to RS232 - USB to DB9 - USB to serial Adapter

Designed to make serial port expansion quick and easy 6-foot cable length for connecting to devices without having to be too close Single cable design for portability Baud Rate up to 115.2Kbps USB to Straight-Through RS232 Serial Adapter COM Port assignments maintained across reboot Powered by the USB port - no external power adapter required Compatible with Windows?, Mac OS and Linux Integrated FTDI USB UART Chip