Tripp Lite 2-Port DB9 RS232 PCI Serial Adapter Card Full Profile 16550 UART - Full-height Plug-in Card - PCI - PC, Linux - 2 x Number of Serial Ports External

Compatible with universal 3.3V and 5V 32-bit PCI/PCI-X slots Compatible with industrial standard 16550 UART Each port supports data transfer rates up to 115.2 Kbps Complies with PCI Local Bus Specification Revision 2.3 Works with Windows and Linux