Add 2 RS-232 serial ports to your computer via a single PCI slot The PCI2S950 2 Port PCI RS232 Serial Adapter Card with 16950 UART offers two high performance 16C950 serial UART channels/ports using a single PCI slot. Perfect for connecting new or legacy serial peripherals to your system, with data transfer rates of up to 460.8 Kbps. The PCI-based RS232 Serial card is a cost-effective solution for connecting serial modems, POS devices, PDAs, digital cameras, printers, ISDN terminal adapters & more, without having to upgrade peripherals for USB (Universal Serial Bus) compatibility. Installation is a breeze with support for a broad range of Windows® operating systems. Plus, IRQ sharing & a PCI plug & play interface guarantee convenient, hassle-free connections. Backed by a Star Tech.com lifetime warranty & free lifetime technical support.