StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x

Add two RS232. and two RS422/485 serial ports to your PC through a PCI-Express expansion slotThe PEX4S232485 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 lets you add two RS232. and two RS422/485 serial ports to your PC through a PCI-Express expansion slot.This PCI express serial card is a single card solution that is compatible with nearly any serial communication protocol. supporting RS-232. RS-422. RS-485 2-wire or RS-485 4-wire operating modes.A flexible solution for adding serial ports to full-sized. or small form factor systems. the 4-port serial card includes both low and full profile brackets while the included breakout cable helps to avoid cluttered connections.Backed by a StarTech.com lifetime warranty and free lifetime technical support.