Tenda L8139D. Connectivity technology: Wired, Host interface: PCI, Interface: Ethernet. Data transfer rate (max): 100 Mbit/s, Supported data transfer rates: 10, 100Mbit/s, Buffer size: 1 KB. Cabling technology: 10/100BaseT(X), Networking standards: IEEE 802.3, IEEE 802.3u, Copper ethernet cabling technology: 100BASE-TX, 10BASE-T. Width: 130 mm, Depth: 150 mm, Height: 21 mm. Certification: CE, FCC