Welcome to the store! 1. PCI Express 1X: Gigabit Ethernet card supports PCI Express 1X bus high-speed interface, PCI Express bus interface Gigabit Ethernet card 2. Scope of application: PCIE Ethernet card supports for win7, for win8, for win10, for winVista, for winXP, for win2003, for win2000, for OS X, for Linux and other systems 3. Immersion Gold Technology: The internal computer network cards use immersion gold technology gold fingers. PCIE x4, x8, x16 slots can be used 4. Widely Compatible: Ethernet card supports 10Mbps, 100Mbps, 1000Mbps speed adaptation, can be used with confidence 5. Adaptive Port: Full duplex half duplex adaptive port supports automatic flipping and data correction, widely used for computer connection to the Internet Item Type: Gigabit Ethernet Card Material: PCB, metal Chip: For Realtek RTL8111 Port: RJ45 Transmission Speed: 10 Mbps, 100 Mbps, 1000 Mbps Support System: For Win XP, for Win7, for Win8, for Win10, for Linux, for OS X 1 x Gigabit Ethernet Card 1 x Baffle 2 x screws 1 x screwdriver Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!