2 Port PCIe Serial Adapter Card w 16550 This PCI Express serial adapter card lets you turn a PCI Express slot into two RS232 (DB9) serial ports features a native single chip design that lets you to harness the full capability of PCI Express.
I-DIRECTIONAL SPEEDS 460.8KBPS/PORT 128 BYTE FIFO PIN 9 PWR OUT 5V/12V/NONE