This 2 port PCI Express Serial Card offers two 16550 UART channels/ports for connecting any new or legacy serial peripheral, with data transfer rates of up to 230.4kbps. A cost-effective solution for connecting serial modems, POS devices, printers, ISDN terminal adapters and more, the PCI Express serial card supports Windows® Vista, XP, ME, 2000, 98, 95 and NT4 operating systems, and offers IRQ sharing and a PCI plug and play interface to guarantee convenient, hassle-free serial device connections. A reliable solution for connecting legacy or newer serial devices, the PCI Express serial card is backed by StarTech.com"s Lifetime Warranty and free lifetime technical support.