SIIG's DP CyberSerial Dual PCIe is a superior adapter card for you to connect additional serial devices to your system. It is designed to provide you with two additional 9-pin serial ports to your current PCI Express-enabled desktop computer. This 2-port serial PCIe adapter card comes with two high-speed serial ports supporting asynchronous baud rates of up to 921.6Kb/s. Its built-in 128-byte FIFO buffers dramatically increase data transmit and receive speeds especially under Windows multitasking environment. The serial ports can work as either standard RS-232 ports, or can be configured as 5V / 12V power outputs for devices that require power such as handheld scanners, table scanners, POS displays, and many more.