InLine 66903, Mini PCI Express, Parallel, Serial, RS-232, Black, Green, 1.5 Gbit/s, Wired InLine 66903. Host interface: Mini PCI Express, Output interface: Parallel, Serial, Serial interface type: RS-232. Product color: Black, Green. Data transfer rate (max): 1.5 Gbit/s. Connectivity technology: Wired, Compatible operating systems: Windows 7 / Vista / XP / Server 2003-2008 32/64-bit, Linux