1. 2.5g Network Card: With A Speed Of 2500mbps, High-speed Ethernet, Backward Compatibility, Downward Compatibility With Gigabit And Gigabit Ethernet. 2. Support Systems: For Mac Os, For Apple, Windows, For Linux, For Windows 7/8/10 For Pcetc. (win8/10/11 Systems Are Drive Free, Plug And Play, And Other Systems Require Driver Installation) 3. High Performance: The Usb 3.0 To Ethernet Adapter Is A High-performance, Highly Integrated Usb 3.0 Bus Ethernet Controller. 4. Rtl8156b Chip: The Network Card Adopts The Rtl8156b Chip, Which Is More Compatible And Does Not Burn The Smart Chip For Long-term Use, Ensuring Stable And Smooth Mission. 5. Wide Application: The Network Card Is Suitable For Large Enterprises, Data Processing Centers, High-speed Broadband Network Environments, Games, Conference Rooms, Logistics, Household Use, Etc. Type:ca Double Connector/ac Double Connector Colour:gray Material:tpe Package Contents: 1 * 2.5g Network Card With Adapte Only The Above Package Content, Other Products Are Not