Product highlights:
- Upgraded version of Startech's popular card PEX2S952
- Enables you to interact with serial devices
- Pre-installed standard bracket
- 2x low profile brackets included for versatile install
- Supports Windows XP and Linux
StarTech 2 Port PCI Express RS232 Card
The PEX2S953 multiport PCI Express RS232 serial adapter card lets you add two RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot as if they were native serial ports. The dual-port PCIe serial card enables you to interact with serial devices, such as card readers, printers, PIN pads, and modems, at speeds of up to 921.6Kbps.
Maximum Compatibility
With broad OS support, including for Windows and Linux, this 2 port PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with a full-profile bracket and includes optional low-profile brackets, so installation is easy regardless of the case form factor. This card is a direct replacement for PEX2S953LP.
Ratings and reviews
StarTech 2 Port PCI Express RS232 Card 

StarTech 2 Port PCI Express RS232 Card
SKU: PEX2S953