Startech PEX4S953 4 Port Pci Express RS232 Serial Controller Card W/16950 UART/ASIX AX99100 Bi-D

This PCI Express RS232 serial adapter card lets you add four RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot - The replacement for the PEX4S952 serial card enables you to interact with serial devices such as printers and modems - The 4-port serial PCIe card provides a max baud rate of up to 921.6Kbps and 256-byte FIFO cache with the Asix AX99100 chipset - The full profile PCI E serial card is easy to integrate into mixed environments with support for Windows and Linux