Fully Compliant with PCI-e Base Specification, Revision 1.0a  PCI-e Multi Function Peripheral Controller with x1 Lane Interface  Support for D1, D2, D3hot and D3cold  Utilizes 100-Mhz Differential PCI-e Common Reference Clock  Supports PCI-e Power Management    Serial Port:  2 16c450/550/Extended 550 Compatible UARTs  Supports RS232 Modes  Bi-directional Speeds from 50bps to 16Mbps/Port  Full Serial Modem Control  Supports Hardware, Software Flow Control  5, 6, 7, 8 and 9-bit Serial Format Support  Support MODEM Modem Signals CTS, DSR, RI, DCD, the DTR, RTS, Convert RS232 Level  Even, Odd, None, Space & Mark Parity Supported  Custom BAUD Rates Supported with External Clock or by Programming Internal PLL  On Chip 256 Byte Depth FIFOs in Transmit, Receive Path of Each Serial Port  Support Remote Wakeup and Power management Features  Serial Port Transceiver Shutdown Support  Support Slow IrDA on all Serial Ports  Software Requirement  Windows 8  Windows 7  Vista  Windows XP  Windows ME  Windows 98SE  Server 2003  Server 2000 (32bit only)  Linux Kernel 2.4 & 2.6  Mac 10.4 & Above  size:14x13x4cm  Material:ABS  colour:As shown    Package Contents:  5 x Ports Serial Controller Card    Only the above package content, other products are not included.  Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.