Description Gigabit 64-Bit PCI Networking Adapter Key Features " Support TCP/IP Protocol " Compliant with IEEE 802.3 / 802.3u / 802.3ab / 802.3x " Supports 64-bit, 66/33MHz PCI Local Bus Master for high speed operation of Rev2.2/2.1 specification. " One RJ-45 connector supports 1000Mbps, 100Mbps or 10Mbps network speed and Auto-MDI/MDI-X " Plug-and-Play installation--auto-setup IRQ and I/O address " Supports IEEE 802.3x full-duplex flow control " Full-duplex design to double the performance to 20/200/2000Mbps " PCI bus 64-bit architecture of Rev. 2.1 / 2.2 specification " Auto-negotiation between 10Mbps, 100Mbps, and 1000Mbps " Easy migration " 100-meter UTP CAT 3/4/5 cables for 10Mbps connections, and CAT 5 cable for 100/1000Mbps connections " LED indicator lights for easy diagnostics " Plug-and-Play easy setup with auto IRQ and I/O address assign " Supports IEEE 802.1Q vLAN tagging " FCC and CE EMI/EMC Standards