Product highlights:
- Upgraded version of Startech's popular card PEX4S952
- Enables you to interact with serial devices
- Pre-installed standard bracket
- 1x low profile brackets included for versatile install
- Supports Windows XP and Linux
StarTech 4 Port PCI Express RS232 Card
The PEX2S953 PCI Express RS232 serial adapter card lets you add four RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot, as if they were native serial ports. The 4 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 multiport PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with a full-sized bracket, and includes an optional low-profile bracket, so installation is easy regardless of the case form factor. This expansion card is a direct replacement for PEX4S952.
Ratings and reviews
StarTech 4 Port PCI Express RS232 Card 

StarTech 4 Port PCI Express RS232 Card
SKU: PEX4S953