Antaira MSC-204A1-S 4-Port RS-232 PCI Express Card with Expansion Cable 1*DB44 to 4*DB9M

PCI Express Compliance with Revision 1.1250Mbps Throughput4 DB9M RS232 Connectors over a 44-pin Octopus Cable4 High Performance 16C550 UART ChannelsSurge Protection: 15KV for RS232Baud Rate up to 921.6Kbps 5, 6, 7, 8 or 9-bit Data Framing5V or 12V Power Available Over Serial ConnectorsHardware and Software Flow ControlSupports Slow IrDA on All Serial PortsWindows: 2000, XP, 2003, 2008, Vista, 7, 8, 10, Linux, and Mac OS5-Year Warranty