Get more out of your serial devices! StarTech's PEX4S650 is a 4 port PCI Express serial card with WHQL certified drivers. Great for connecting any new or old serial peripherals, with data transfer rates of up to 920 Kbits/sec. Perfect for connecting serial modems, POS devices, PDAs, digital cameras, printers, ISDN terminal adapters and more, to your system. Installation is a breeze with support for Windows XP, Server 2003, 2000, Linux 2.4.x, 2.6.x. Guarantee convenient, hassle-free connections.