Designed for M2 E A key ports on laptops, this adapter supports a wide range of operating systems including Windows ME to Windows 11, Windows Server up to 2025, Free BSD, Linux, VMWare, and for MAC, ensuring broad compatibility and easy integration. Featuring the advanced Intel I226 chipset and compliant with PCI Express Specification Revision 3.1 (5GT/s), this card fits perfectly in the M2 E A key 2230 format, offering robust performance and reliability for your network connections. Supports high-speed Ethernet up to 2.5Gb/s with standard IEEE802.3 MDI interface. It is compatible with multiple Ethernet standards such as 2500BASE-T, 1000BASE-T, and more, and includes Flow Control as per IEEE802.3x and IEEE802.3z with adjustable RX thresholds and TX pause frames. Equipped with automatic detection (MDI/MDI-X), IEEE 1588 protocol, and 802.1AS for time-sensitive networking. It also supports the IEEE802.3az Energy Efficient Ethernet standard, enhancing network efficiency and reducing power consumption. Comprehensive support features including Wake-On-Lan, TCP/UDP, IPv4 checksum offloads (Rx/Tx), and Transmission segmentation relief (TSO) for both IPv4 and IPv6. Supports up to 9.5KB jumbo frames, optimizing network traffic and performance. Note:Due to different production batches, the appearance and color of accessories may vary, but it will not affect the use. Colour:As Shown Material:Plastic Package Contents: 1 * network card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.