Brainboxes 4 Port RS422/485 Low Profile PCI Express Serial Port Card

Low profile PCI Express Card providing four RS422/485 serial ports.. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. Drivers for Windows 32 bit and 64 bit Operating Systems including Windows 2000, XP, Server 2003, Vista, Server 2008, Windows 7 and Windows 8.