Add a reliable 16C550 serial port to your low-profile PC with the StarTech.com PCI1S550_LP. With up to 920 Kbits/sec of data transfer and a built-in 16-Byte FIFO buffer, youll get the maximum performance out of your serial modems, printers, digitizer tablets, label printers, ISDN terminal adapters, and other 9-pin serial peripherals. With Plug and Play connectivity and drivers to support a wide range of operating systems, this serial card is a snap to install and use. Like all our I/O cards, the PCI1S550_LP is constructed with the highest quality components and is backed by our lifetime warranty.