This PCI-Express I/O card uses the latest PCI-Express interface standard for expansion bus, enabling this card to be installed on to any computer with PCI-Express slot. Some of the latest mainboards in the market today no longer come with serial or parallel port. By using this card, end user can add serial ports to their computer, allowing them to connect their serial devices. The PCI-Express I/O card offers superior performance and unmatched data transfer rates. It is also ideal for industrial automation applications.