Roline RA-100TX Fast Ethernet PCI Adapter. Connectivity technology: Wired, Host interface: PCI. Data transfer rate (max): 100 Mbit/s, Supported data transfer rates: 10, 100 Mbit/s. Chipset: Realtek. Dimensions (WxDxH): 120x38 mm, Compatible operating systems: Netware 3.x / 4.x, Windows 98SE / ME / NT 4.0 / 2000 / XP / 7, Mounting: Full profile