2 Port PCI Express RS232 DB9 Serial Port Card For XP Vista 7 8.x 10 11
SUPPORT OS: Requires driver installation on for XP, for Vista, 7, 8.x, 10, 11 (32/64 bit) systems. for kernel 2.6.x, 3.x, 4.x, 5.x requires reference to compiled source code. Bus Interface: PCIE X1 (Compatible with X1, X4, X8, X16).