1,Multi Function: PCI express Gigabit Ethernet card supports internet wake up and RealWow technology (remote wake up), which can remotely turn on or off the computer. It can also provide high speed transmission through CAT5e UTP cable or CAT3 UTP (only 10Mbps) cable. 2,5Gbps Transmission: The dual port PCIe network adapter has a transmission rate of 5Gbps, which can meet your various transmission requirements and save time. 3,Wide Compatibility: PCIe network card is compatible with many operating systems, including for Windows 10, 8/8, 1, 98SE, ME, 2000, for XP, for XP 64bit, for Vista, for Vista 64bit, 7, 7 64bit, for Linux, 10, etc. 4,Scope of Application: You can add 10/100/1000/25000 Mbps Ethernet port to any PC through PCIe slot, which is suitable for any PCI Express x1, x2, x4, x8 or x16 socket. 5,Wide Application: 5Gbase T PCIe internet adapter is suitable for multiple market segments and emerging applications, such as desktops, workstations, servers, communication platforms and embedded applications. 1 x PCIe Network Card1 x Baffle Item Type: PCIe Network CardMaterial: PCBMain Control Chip: RTL8125BGBus Interface:1 x PCI EApplicable Network Type: EthernetType of Port: RJ 45Transmission Rate: 2.5Gbps Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.