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

2 PORT SERIAL CARD: Serial controller card w/16950 UART based on ASIX AX99100, allows 2x DB9 ports w/bi-directional RS232 speeds up to 921.6Kbps per port, available 256 byte FIFO buffer & 9th data bit; Upgraded version of our popular card PEX2S952LP OPTIONAL CONFIGURABLE POWER: PCI Express RS232 serial adapter card provides choice of 12v, 5v, or none through pin 9 w/up to 2A total; Each of the 2 ports are individually configurable STANDARD PROFILE & LOW PROFILE BRACKET: PCIe multiport serial card comes w/ low profile bracket preinstalled & a full profile bracket is incl for versatile install; supports Windows XP and up & Linux VERSATILE APPLICATIONS: For standard/low profile desktop/servers w/ uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanner, oscilloscope StarTech ADVANTAGE: IT professionals choice for over 30 years; PCIe RS232 Serial expansion card is backed for life by StarTech, incl. free 24/5 North America based multi-lingual tech support