Startech.Com PEX4S232485 StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 - Add two RS232 and two RS422/485 serial ports to your PC through a PCI-Express expansion slot - 4 Port PCI Express PCIe Serial Combo Card - 4 port (2 x RS232, 2 x RS422/485) serial combo card - PCI Express RS485 / PCIe RS485 / PCI Express RS422 / PCIe RS422 serial combo card - Dual Profile PCIe serial card adapter with breakout cable - RS232 data transfer rates up to 460 Kbps - PCIe serial combo card suppo - RoHS, TAA, WEEE Compliance

StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 - Add two RS232 and two RS422/485 serial ports to your PC through...