PCI Express Serial Port Card (PCIE2S4)
4-port RS-232 PCI Express low profile card
Add 4 RS-434 serial ports to your through the PCI Express expansion slot. Excellent compatibility with Windows/Linux/Mac O/Ss. Each RS-232 COM port supports +5 & 12VDC power output over COM 9th pin.. Surge protected. Includes serial card; drivers; user guide. 2-year warranty.