Features: 1.NIC Controller: The PCI E nic network card is based on for RTL8111G chipset, supports Single Root I/O virtualization, intelligent offload, and improves server stability 2.2 Way RJ45 NIC: The 2 ports gigabit ethernet adapter has RJ45 ports (10/100/1000Mbps) to connect Cat5 UTP /Cat3 UTP. PCIe x1 Lane, compatible with PCIE X4, X8, X16 slots 3.Supported Systems: The gigabit ethernet adapter supports for Win 98SE, for Win ME, for Win Server 2000, for Win XP, for Win Server 2003, for Win Vista, for Win 7, for Win Server 2008, for Win 8, for Win 8.1, for Win 10 (32&64bit), for Linux, for DOS, etc. and soft routing, NAS, virtualization and other special applications 4.Easy to Install: The 2 ports gigabit ethernet adapter includes thin and full height brackets to support standard and ultra thin computers servers 5.PCB ?Material: The pcie 2 port gigabit server adapter adopts PCB?material, which is stable and reliable and has a long service life specification:Item Type: PCI E NIC Network Card Product Material: PCB main Control Chip: For RTL8111G Bus Interface: Desktop PCI E X1 Ver 1.1 Slot, Compatible With X4 X8 X16 Network Interface: 2 x Ethernet Ports Transmission Rate: 10/100/1000 Mbps Network Topology: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE802.1P, IEEE 802.1Q VLAN. 10BaseT/100BaseTx/1000BaseT Management Functions: Support VLAN Aggregation, Remote Wake up (WOL), Soft Routing and Other Functions PCI Express Revision 1.1, 1 Lane (X1) Bus Interface: Compliant High Performance 1000BASE T Ethernet Controller Card: Supported Backward Compatible with 10/100BASE T Networks: Supported 10/100/1000Mbps Data Rate Auto Negotiation Operation: Support Compatible with: Existing CAT 5 UTP Cables IEEE802.3, IEEE802.3u, IEEE802.3ab: Compatible Half Full Duplex Mode and 802.3x Flowing Control: Supported IEEE802.1P Layer2 Priority Encoding: Support IEEE 802.1Q VLAN Tagging: Supported Jumbo Frames up to 9K Bytes: Supported Transmit/Receive On Chip Buffer: Supported Crossing Detection and Autocorrection Operations: Supported Power Down Reduce Power Consumption: Yes Wake on LAN and Remote Wake up: Supported 2 x RJ45 Gigabit LAN Ports: Yes Standard and Thin Case: Supported PackageList: 1 x PCIENICNetworkCard 1 x Screw 1 x Metal Baffle