Feature: 1. HIGH SPEED TRANSMISSION: The M.2 network card supports 2.5G and 1G Lite modes, to fully cater to your high speed internet transmission needs. 2. UNIVERSAL ADAPTER: Suitable for multiple market segments and emerging applications such as desktops, workstations, servers, and information exchange platforms. 3. HIGH COMPATIBILITY: Compatible with various Ethernet specifications such as for IEEE802.3u, for IEEE802.3ab, and for IEEE802.3bz, with support for multiple transmission media. 4. STABLE AND RELIABLE: Supports hardware ECC and hardware CRC functions, the network card ensures stable data transmission by verifying accuracy and correcting any errors. 5. COMPATIBLE SYSTEMS: The driver supports for WIN 7, 8, 10, 11, and for Linux operating systems, making it suitable for various computer platforms. Specification: Item Type: M.2 Network Card Material: PCB Bus Type: M.2 A+E Transmission Media: 1x 2.5G RJ45 Port Transmission Rate: 2.5G 1000 100Mbps Network Mode: Supports 2.5G and 1G Lite Mode Network Topology: Supports for IEEE1588v1, for IEEE1588v2, for IEEE80.2AS Time Synchronization, Supports Credit Based Shaping Algorithm Based on for IEEE802.1Qav, Supports for IEEE802.1P Layer 2 Priority Encoding, Supports for IEEE8021QVLAN Tagging, Supports for IEEE802.3az-2010, Supports for IEEE802.3bz-2016 (NGBASET), Supports Full Duplex Flow Control for IEEE802.3x System Requirements: For Win 7, for Win 8, for Server 2008, for Win 8.1, for Server 2012, 2016, for Win10 32 64-bit, for Linux. Package List: 1 x Gigabit Network Card 1 x Screwdriver 1 x Screw