Line StarTech.com 2 Port PCIe Serial Adapter Card with 16550

Includes half-height/low profile mounting bracket Automated out-of-band flow control using CTS/RTS and DSR/DTR Automated in-band software flow control using programmable Xon/Xoff in both directions Selectable power output on pin 9 for the serial port Two high speed RS232 serial ports with support for data transfer rates up to 460.8 Kbps Compliant with PCI Express base specifications revision 1.0a Native single-Chip, single lane PCI Express 128-byte deep FIFO per transmitter and receiver