StarTech.com 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART

Includes 4x 30cm IDC to DB9 serial cables Automated out-of-band hardware flow control using RTS/CTS Compliant with PCI Express base specifications revision 1.1 256-byte deep FIFO per transmitter and receiver Four high speed RS232 serial ports with data transfer rates up to 921.6 Kbps High Performance 16650 UART In-band software flow control, using programmable Xon/Xoff in both directions Native single-chip, single lane PCI Express