USB to Serial Server providing four RS232 serial ports. Data transfer rates up to 921,600 baud rates and the 128 byte transmit and 256 byte receiv e FIFOS, coupled with 1Mbit line drivers deliver uncompromising performance on your laptop/PC. Drivers for Windows 32 bit and 64 bit Operating Systems including Windows XP, Server 2003, Vista, Server 2008, Windows 7 and Windows 8 with additional drivers for both Mac OS X and Linux.USB to serial is the quick low cost way to connect your computer to a serial comms enabled device. Boost software gives industry leading functionality and compatibility.These products do away with traditional issues with USB technology so you can buy with confidence!