Usage Tips:Designed for M2 E A key ports on laptops, this adapter supports a wide range of operating systems including ME to 11, Server up to 2025, Free BSD, Linux, , and for , ensuring broad compatibility and easy integration. Featuring the advanced 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 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 (/-X), IEEE 1588 protocol, and 802.1AS -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, UDP, IPv4 checksum offloads (Rx/Tx), and mission segmentation relief () 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 , but it 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.