Lindy 4-Port PCI Serial Card. Host interface: PCI, Output interface: PCI 32-bit, Connector(s): 1x 44-pin D FM, 4x 9-pin D FM. Data transfer rate: 0.9 Mbit/s. Colour of product: Red. Platform: PC, Connectivity technology: Wired, Compatible operating systems: DOS Windows 98SE/ME/NT/2000/XP/Vista/7/Server 2003, 2008