M.2 Network Card 10/100/1000Mbps M.2 A+E To Gigabit Ethernet Card Single Port RJ45 M.2 A+E Ethernet Adapter RTL8111E/F Chip for Desktop PC for Windows Linux. Feature: 1.High-Speed Networking: Experience rapid connectivity with our M.2 Network Card, supporting full-duplex operation with network speeds up to 1000Mbps. Providing both cross detection and auto correction, this network card is also backward compatible with 10/100BASE-T networks. 2.Automatic Data Rate Negotiation: Our M.2 A+E to Gigabit Ethernet Card supports 10/100/1000Mbps data rate auto-negotiation, ensuring compatibility with existing CAT-5 UTP cables. This card guarantees a convenient, fast, and reliable connection. 3.M.2 A+E KEY NGFF Bus Interface: True to the M.2 A+E KEY NGFF bus interface specification, this high-performing M.2 A+E Ethernet Adapter is also backwardly compatible with 10/100BASE-T networks. 4.Advanced Compliance and Support: The M.2 RJ45 LAN Adapter fully complies with IEEE802.3, IEEE802.3u, and IEEE802.3ab, supporting both half and full-duplex operation, along with 802.3x flow control. It also supports IEEE802.1P Layer2 priority encoding and IEEE 802.1Q VLAN tagging and offers onboard buffer support for sending/receiving. 5.Power-Saving Features and Wake-On-LAN: The Gigabit LAN Card supports cross detection and auto-correction operation, as well as power/link down power-saving. It also features LAN wake-up and remote wake-up functions, enhancing both functionality and energy efficiency.