Low profile 2 port serial (RS232) card Speed: Up to 921 Kbit/sec Card Connector: 1 x 9 Way D Male plus additional back plate 1 x 9 Way D Male connector Supports PCI Express
Specification Revision 1.1 Built-in 128 Byte FIFOSoftware Compatability: Windows ME/2000/XP/ Vista/ Windows 7/ Server 2003, Linux Kernel 2.6.x 2 Year Warranty