Nexhi usb-2920 Premium High Speed USB 2.0 to Serial RS-232 DB-9 Converter, Supports Windows 7, Vista, XP, 2000, 98, Linux & Mac/USB to Serial Adapter(USB-2920) FTDI Chipset USB-2920 USB 2.0 to serial DB9 adapter Supports windows 98SE, 2000, XP, vista, 7 and MAC OS V8.6 or higher Supports remote wake-up and power management No power adapter required, draws power from USB bus 2.5 feet, black USB-2920 USB 2.0 to serial DB9 adapter