2-port PCIe serial interface card with 16950 UART This RS232 Serial Adapter Card lets you add two RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot. It enables you to interact with serial devices, such as card readers, printers, PIN pads, and modems, at speeds of up to 921.4 Kb/s. PCIe multiport serial card comes with a low profile bracket preinstalled and a full profile bracket is incl for versatile install; supports Windows XP and up and Linux For standard/low profile desktop/servers with uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanners, oscilloscopes.