SMC EZ Card 10/100 Fast Ethernet PCI Adapter. Connectivity technology: Wired, Host interface: PCI. Data transfer rate (max): 100 Mbit/s, Supported data transfer rates: 10/100 Mbps. Cabling technology: 10Base-T, 100Base-TX. Bundled software: EZ Installation Wizard. Width: 119.92 mm, Depth: 42.98 mm, Height: 4 mm