1.This Ethernet network card features advanced auto-negotiation and scalable next page capabilities.It ensures seamless and efficient communication by supporting swap/parity/negative correction, crossover detection, and auto-correction. 2.This LAN adapter is equipped with hardware ECC (Error Correction Code) and (Cyclic Redundancy Check) functions to enhance data integrity and reliability. 3. adapter supports PCIMSI (Message Signaled Interrupt) and -X,which enables optimized interrupt handling and reduces CPU utilization. 4.This bus network card supports the ECMA-393 ProxZzzy standard,which enables energy-saving sleep mode operation on compatible hosts. 5.This Ethernet adapter is compatible with a variety of operating systems,enjoy reliable and uninterrupted network connections on multiple platforms. Product name:Single-port 2.5G Gigabit network card Applicable network type:Gigabit Ethernet Network connection type:RJ45 LED indicator:LINK/ACT (normal connection) Applicable models:desktop computers Main control chip:RTL8125 Specification:B:M.2 A+E/Straight Pin Colour:As Shown Material:PCB Package Contents: 1 x Single-port 2.5G Gigabit 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.