StarTech.com 2-port PCI Express RS232 Serial Adapter Card – PCIe RS232 Serial Host Controller Card – PCIe to Serial DB9 – 16950 UART – Low Profile Expansion Card – Windows, macOS, Linux (PEX2S953LP)

maximum compatibility
with broad OS support, including for Windows and Linux, this PCI Express card is easy to integrate into mixed environments. The card comes pre-configured with a low-profile bracket, and includes an optional full-profile bracket, so installation is easy regardless of the case form factor. experience optimal technology
This PCIe to serial adapter is compatible with industry standard 16950 UART, supports a max baud rate of up-to 921.4Kbps and provides 5/12V power output on pin 9 When external power connected. It offers 128-byte depth FIFO per transmitter and receiver, supports 9, 8, 7, 6, 5 data bits, has an a six AX99100 chip set for maximum performance and is PCI Express 1.1 compliant. pex2s953lp is backed by a StarTech.com lifetime warranty and free lifetime technical support.