M.2 A+E RTL8125B 2.5G Ethernet LAN Card RJ45 NIC for Laptop NUC Item description from the seller
Features: Supports 1-Lane 2.5/5Gbps PCI Express bus Onboard single 2.5G network port with integrated 10/100/1000M/2.5G transceiver Support 2.5G and 1G Lite, 100M mode Auto-negotiation with extended next-page functionality Swap/sex/skew correction is supported Cross-detection and auto-correction SM-LG8125B-BT M.2 A+E KEY RTL8125B 2.5G Single Electrical Network Adapter for 4-speed IEEE802.3 compatible media.
The access controller is combined with a four-speed Ethernet transceiver to meet the 10/100Mbps Ethernet IEEE802.3u specification, the IEEE802.3ab 1000Mbps Ethernet specification, and the IEEE802.3bz 2500Mbps Ethernet specification. It also passes via CAT5e UTP cable or CAT3 UTP. (10Mbps only) cable provides high-speed transmission. It is suitable for multiple market segments and emerging applications, such as desktops, workstations, servers, communication platforms, and embedded applications. Compliant with PCI Express specification revision v2.1.

Specifications: Bus type: M.2 A+E Transmission medium: 1 x 2.5G RJ45 port Transmission rate: 2.5G Chipset: RTL8125B Network mode: Support 2.5G and 1G Lite mode System Requirements: For Win 7/Win 8/For Server 2008/For Win 8.1/For Server 2012/2016/For Win 10 32/64bit, For Linux...
Slot: M.2 A+E KEY
Network topology: Compatible with IEEE802.3, IEEE802.3u, IEEE802.3ab Support IEEE1588v1, IEEE1588v2, IEEE80.2AS time synchronization Supports shaping algorithms based on IEEE802.1Qav credit Supports IEEE802.1P Layer 2 priority encoding IEEE802.1Q VLAN tagging is supported Support IEEE802.3AZ-2010 Support IEEE802.3bz-2016 (NGBASET) Supports full-duplex flow control (IEEE802.3x) Supports jumbo frames up to 16K bytes Support for Virtual Machine Queues (VMQ) Quad-core receive-side scaling (RSS) support

Package include: 1 x Ethernet Network Lan Card