Support for swap/sex/skew correction, detection and automatic correction,Support hardware ECC (Error Correction Code) hardware (Cyclic Redundancy Check) function Supports PCI (Message Signaled Interrupt) and -X Supports ECMA-393 ProxZzzy standard for sleeping hosts; Supports Wake-on-LAN and "RealWow!" technology (remote ) Compliant with PCI Express Specification Revision v2.1; Supports 1- 2.5/5Gbps PCI Express bus; Support 2.5G and 1G Lite, 100M mode Auto-negotiation with extended next page functionality; Support for swap/sex/skew correction; detection and automatic correction; Compatible with IEEE802.3, IEEE802.3u, IEEE802.; Support IEEE1588v1, IEEE1588v2, IEEE80.2AS time synchronization; Support shaping algorithm based on IEEE802.1Qav credit Support IEEE802.1P layer 2 priority encoding; Support IEEE802.1Q VLAN tagging; Support IEEE802.3az-2010; Support IEEE802.3bz-2016 (NGBASET); Support full duplex flow control (IEEE802.3x) Supports jumbo frames up to 16K bytes; Support for Virtual Machine Queue (VMQ); Support quad-core receive-side scaling (RSS); 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, IEEE80.2AS time synchronization; Support shaping algorithm based on IEEE802.1Qav credit Support IEEE802.1P layer 2 priority encoding; Support IEEE802.1Q VLAN tagging; Support IEEE802.3az-2010; Support IEEE802.3bz-2016 (NGBASET); Support full-duplex flow control (IEEE802.3x) colour: green Material: PCB Size: 20x15x6CM Package Contents: 1 x M.2 A+E RTL8125B-Main Card 1 x RJ45 terminal 1 x CD-Drive Disc 1 x Network Terminal Cable Only the above package content, other products are not included. Note: Light 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.