Full Details from Amazon.com : http://www.amazon.com/gp/product/B0001Y7GVG?tag=onigi-20
StarTech.com 1 Port PCI Low Profile RS232 Serial Adapter Card with 16550 UART (PCI1S550_LP)
Compatible with any PC running Windows DOS or Linux for simple integration into your application
Data transfer rates of up to 920 Kbps for peak serial device performance
Standard and low profile bracket included ensuring easy installation into almost any system
Supports the RS-232 serial interface
16 byte FIFO buffer ensures fast data transfer while multitasking
IRQ sharing saves resources and eliminates conflicts