PCI Express 4 Port Serial Card Features : Compliant with PCI Express Base Specification 1.0a PCI Express-enabled system with an available PCI Express slot Supports 4 x UART serial port Built-in 16C550 compatible UART with 16 byte transmit-receive FIFO Data transfer rate up to 230400bps PCI-Express X1 Connectors : 4 x 9-pin Male Serial Connectors Supports Windows 2000/XP/2003/Vista Package Content : 1 X PCI Serial Card 1 X Driver CD 1 X Manual (Note : Photo attached is for reference only, it may be slightly varied in items of colour, shape from the actual item delivered from time to time)