Welcome to our store! 1. PCI Express 1X: This Gigabit Ethernet adapter supports the high-speed interface of the PCI Express 1X bus. 2. Application: This PCIE Ethernet adapter is compatible with Win7, Win8, Win10, WinVista, WinXP, Win2003, Win2000, OS X, and Linux. 3. Immersion Gold Technology: The internal computer network card uses gold connectors with immersion gold technology. Compatible with PCIE x4, x8, and x16 slots. 4. Broad Compatibility: This Ethernet adapter supports 10Mbps, 100Mbps, and 1000Mbps speed adaptation, ensuring reliable performance. 5. Adaptive Port: The full-duplex half-duplex adaptive port supports automatic turnaround and data correction, commonly used for desktop computer internet access. Item Type: Gigabit Ethernet Adapter Material: PCB, Metal Chip: For Realtek RTL8111 Port: RJ45 Transfer Speed: 10Mbps, 100Mbps, 1000Mbps Supported Systems: For Win XP, Win7, Win8, Win10, Linux, OS X Package Includes: 1 x Gigabit Ethernet Adapter 1 x Shielding 2 x Screws 1 x Screwdriver Customer satisfaction is our top priority. If you encounter any issues with your product upon receipt, such as damage or incorrect quantity, please contact us immediately. We strive to provide the best customer service.