100% brand new and high quality Features: Automatic negotiation with extended next page functionality. Support swap/sex/skew correction. Cross detection and automatic correction. Support hardware ECC (Error Correction Code), hardware (Cyclic Redundancy Check) function. Supports PCI MSI (Message Signaled Interrupt) and MSI-X. Supports ECMA-393 Prox Zzzy standard for sleeping hosts. Supports Wake-on-LAN and "RealWow!" technology (remote wake-up). System Requirements: Win 7/Win 8/Server 2008/Win 8.1/Server 2012/2016, Win 10 32/64bit, Linux... An available M.2 A+E KEY slot. Specifications: Bus Type: M.2 A+E Transmission Medium: 1 x 2.5G RJ45 Port Transmission Rate: 2.5G/1000/100Mbps Network Mode: Support 2.5G and 1G Lite mode Network Topology: Support IEEE1588v1, IEEE1588v2, IEEE80.2 AS time synchronization Support shaping algorithm based on IEEE802.1Qav credit Support IEEE802.1P Layer 2 Priority Coding Support IEEE802.1Q VLAN Tagging Support IEEE802.3az-2010 Support IEEE802.3bz-2016 (NGBASET) Support Full Duplex Flow Control (IEEE802.3x) Note: Due to the issues of light effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1 cm error due to the manual measurement. Package includes: 1 x M.2 A+E RTL8125B Motherboard 1 x RJ45 Terminal 1 x CD 1 x Network Terminal Cable