Get more out of your serial devices! Star Tech.coms PEX4S950 gives you two high performance 16C950 serial UART channels/ports for connecting any new or old serial peripheral, with data transfer rates of up to 250 Kbits/sec. Perfect for connecting serial modems, POS devices, PDAs, digital cameras, printers, ISDN terminal adapters & more, to your system. Installation is a breeze with support for Windows XP, ME, 2000, 98, 95 & NT4. Plus, IRQ sharing & a PCI plug & play interface, guarantee convenient, hassle-free connections.