Feature: 1. PCI Express 1X: The Gigabit Ethernet card supports PCI Express 1X bus high speed interface, PCI Express bus interface Gigabit Ethernet card 2. Scope of Application: The 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 networking cards use gold fingers with immersion gold technology. PCIE x4,x8,x16 slots can be used 4. Wide Compatible: The Ethernet card supports 10Mbps, 100Mbps, 1000Mbps rate adaptation, can be used with confidence 5. Adaptive Port: Full duplex half duplex adaptive port supports automatic flipping and data correction, widely used in desktop Internet access Specification: Item Type: Gigabit Ethernet Card Material: PCB, Metal Chip: For Realtek RTL8111 Port: RJ45 Transmission Rate: 10Mbps, 100Mbps, 1000Mbps Support System: For Win XP, for Win7, for Win8, for Win10, for Linux, for OS X. Package List: 1 x Gigabit Ethernet Card1 x Baffle2 x Screws1 x Screwdriver Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.