The TE100-PCIWN, a 10/100Mbps Fast Ethernet Plug-and-Play PCI adapter, utilizes the latest chipset technology and provides easy installation. It senses 10Mbps or 100Mbps (20Mbps or 200Mbps in full-duplex mode) automatically and connects to Ethernet/Fast Ethernet network with single RJ-45 connector. Supporting PCI v2.1 and 2.2 standards, it works with current and new PCI v2.2 standards with 3.3V bus voltage. With TRENDnet adapter, your desktop will turn into a high-bandwidth graphic and multimedia workstation or a power server running at full-duplex speed.