StarTech.com 4-port PCI Express RS232 Serial Adapter Card

PCIe to Serial DB9 RS-232 Controller Card - 16950 UART - Windows/Linux - 4 port PCI Express RS232 serial controller card w/16950 UART/ASIX AX99100 - Bi-directional speeds 921.6Kbps/port | 256 byte FIFO | 9th data bit - Pin 9 pwr out 5v/12v/none w/up to 2A total - Std bracket (low profile incl); Breakout cable - Win/Linux