Bestbuy.com: Controller cards
The Best
Startech - .com 2-Port PCI Express Serial Card with 16C1050 UART - RS232 - PCIe serial card with Dual Channel 16C1050 UART - 1 Pack - Green
68.05 USD
Add two high performance RS232 serial ports (DB9) to your low or full-profile computer, through a PCI Express slot. This PCI Express serial card adds two high-performance RS232 serial ports to your desktop computer or server, for connecting your serial-based devices and equipment.
